CN115680247A - Construction process of heat-insulation and decoration integrated plate - Google Patents

Abstract

The invention discloses a construction process of a heat-insulation and decoration integrated plate, which comprises the following steps of firstly, cleaning a base layer, and removing a hollow plastering layer of an outer wall body; secondly, cutting the bottom plate into specified sizes according to a design scheme; thirdly, preparing special bonding mortar for the heat-preservation and decoration integrated plate; fourthly, pasting the heat-preservation and decoration integrated plate, and checking the flatness of the whole body; fifthly, mounting a mechanical fastener after the plates are pasted; sixthly, filling caulking foam in the gap of the plate; seventhly, filling weather-resistant silicone sealant in the gaps of the plates; eighth step, with all heat preservation decoration intergral template construction installation completion backs, the health of inspection face is cleared up the surface of heat preservation decoration intergral template, uses comparatively normal bonding mortar to install the heat preservation decoration board, has guaranteed like this that it is more firm when pasting heat preservation decoration intergral template, has prolonged the life of heat preservation integrative decoration board.

Description

Construction technology of a thermal insulation and decoration integrated board

technical field

The invention relates to the technical field of thermal insulation and decoration integrated panels, in particular to a construction process of thermal insulation and decorative integrated panels.

Background technique

The thermal insulation and decoration integrated board is composed of adhesive layer, thermal insulation and decorative finished board, anchors, sealing materials, etc. Generally speaking, it is a board for building insulation, and it is also suitable for energy saving and decorative renovation of old buildings. The thermal insulation and decoration integrated board It has excellent moisture-proof and waterproof performance, which can reduce the thickness of the building's outer envelope and increase the indoor use area, and the surface decoration layer of the thermal insulation and decoration integrated board adopts super weather-resistant fluorocarbon coating, so it has a super long life of more than 25 years. In this way, the installation process and firmness of the thermal insulation and decoration integrated panels are particularly important. However, some thermal insulation and decorative integrated panels on the market still have the following problems during installation and construction;

At present, some traditional thermal insulation and decorative integrated panels on the market cannot use adhesive mortar and other building materials to install the thermal insulation and decorative integrated panels in the correct way within an effective time during construction, which may cause the adhesive mortar to lose its original properties. activity, leading to a decrease in the degree of bonding. In this way, if the adhesive mortar that has lost its strong bond strength is used to install the thermal insulation and decoration integrated board, the installation of the thermal insulation and decorative integrated board will not be firm, and because the thermal insulation integrated The service life of the installation board is 25 years, so it may cause part of the thermal insulation and decoration integrated board to fall off before the final service life, and because the thermal insulation and decorative integrated board is installed on the outside of the building, when the thermal insulation and decorative integrated board falls off When it falls, it may cause an accident, which will have more serious consequences, and also affect the overall appearance of the building.

Contents of the invention

The purpose of the present invention is to provide a construction process of thermal insulation and decoration integrated panels to solve the problem that some traditional thermal insulation and decorative integrated panels in the market cannot be bonded within an effective time according to the correct method during construction. Mortar and other building materials are installed on the thermal insulation and decorative integrated board, which may cause the adhesive mortar to lose its original activity, resulting in a decrease in the degree of bonding. In this case, if the adhesive mortar that has lost its strong bonding strength is used again When the decorative integrated board is installed, the installation of the thermal insulation and decorative integrated board will not be firm, and because the service life of the thermal insulation integrated installation board is 25 years, it may cause some thermal insulation and decorative integrated boards to be damaged before the final service life. The falling off, and because the thermal insulation and decoration integrated board is installed on the outside of the building, accidents may be caused when the thermal insulation and decorative integrated board falls off, which will have more serious consequences and also affect the overall appearance of the building.

In order to achieve the above object, the present invention provides the following technical solutions: a thermal insulation and decoration integrated board, including an adhesive, an interface agent is provided under the adhesive, and a plastering mortar is provided under the interface agent, and a plastering mortar is provided under the plastering mortar There is a mesh cloth, anchor bolts are arranged inside the mesh cloth, a putty and a primer are arranged under the mesh cloth, and a paint finish is arranged under the putty and the primer.

A construction process of thermal insulation and decoration integrated board, comprising the following steps:

The first step is to clean the base, remove the hollow plaster layer of the outer wall, and clean up some impurities on the outer wall;

The second step, according to the actual requirements of on-site construction, cut the bottom plate into the specified size according to the design plan;

The third step is to configure the special bonding mortar for the thermal insulation and decoration integrated board according to a certain ratio;

The fourth step is to paste the thermal insulation and decoration integrated board and check the overall flatness;

The fifth step is to install mechanical fasteners after pasting the plates;

The sixth step is to fill the gap between the boards with caulking foam;

The seventh step is to fill the gap between the plates with weather-resistant silicone sealant;

Step 8: After the construction and installation of all the thermal insulation and decoration integrated panels are completed, check the sanitation of the panel surface and clean the surface of the thermal insulation and decorative integrated panels.

Preferably, in the first step, impurities such as rubbish, oil stains and moss on the outer wall are cleaned, and then the damaged plastering layer is roughly repaired and leveled, and the flatness of the wall, the verticality of large angles, etc. are checked with a 2m ruler , the flatness error of the wall is less than 4mm, and the window sill and cornice need to keep a certain slope, and the next step is to be performed after the leveling and plastering surface is dry.

Preferably, in the second step, the plate processing must be carried out according to the actual specifications and sizes after the wire is snapped. When cutting the plate, the drawing should be combined with the actual situation. When cutting, attention should be paid to the accuracy of the fit. When cutting, care should be taken to keep the surface of the board clean to avoid bumps during cutting.

Preferably, in the third step, the bonding mortar is stirred in a mortar mixer or is stirred for 3 minutes using an electric mixer in a rubber bucket, then left to stand for 5 minutes, and then used after stirring again, and the bonding mortar after stirring should be Use within 2 hours, after more than two hours, do not mix the adhesive mortar again for use.

Preferably, in the fourth step, apply the prepared adhesive mortar on the back of the thermal insulation and decoration integrated board with a trowel, no less than 8 coating points per square meter, and the diameter of each coating point needs to be greater than 150mm, Then graffiti the thermal insulation and decoration integrated board on the wall, use a suction cup to absorb it on the surface of the thermal insulation and decorative integrated board, and adjust the position of the thermal insulation and decorative integrated board. The overall flatness should be less than 3mm, and the height difference between the board seams should be less than 1mm.

Preferably, in the fifth step, the fasteners should be installed at a distance of 300 from the middle of the straight edge, and if necessary, an external pressure piece should be added to adjust the height difference between the plate seams, and excessive force should be avoided when installing the fasteners, so as not to cause Deformation of the board.

Preferably, in the sixth step, according to the gap between the boards and the requirements of the construction drawings, select qualified heat-insulating caulking foam materials to fill the seams, and during the construction process, the caulking foam materials should be evenly embedded in the board seams , avoid raw pulls and deadlifts.

Preferably, in the seventh step, a glue gun is used to fill the gap between the boards with weather-resistant sealant. The color of the sealant should be dense, and the glue filling process should be continuous, uniform and free of air bubbles.

Compared with the prior art, the beneficial effects of the present invention are: the construction technology of the thermal insulation and decoration integrated board;

1. Stir the adhesive mortar for 3 minutes, then let it stand for 5 minutes, and use it after stirring again. The evenly stirred adhesive mortar should be used within 2 hours. After more than two hours, the adhesive mortar should not be stirred again for use. The activity of the adhesive mortar is completely retained, and when the adhesive mortar is used, the adhesive mortar releases the best bonding performance, which ensures that the thermal insulation and decorative integrated board is more firm and prolongs the use of the thermal insulation integrated decorative board life;

2. Apply the prepared adhesive mortar with a trowel, no less than 8 coating points per square meter, and the diameter of each coating point is greater than 150mm, then press the thermal insulation and decoration integrated board on the wall, and use a suction cup It is adsorbed on the surface of the thermal insulation and decoration integrated board, and the position of the thermal insulation and decorative integrated board is adjusted, so that the thermal insulation and decorative integrated board can be installed in the most secure way with an appropriate amount of adhesive mortar, which saves the adhesive mortar The amount of usage, and can well install the thermal insulation and decorative integrated board very firmly, which saves resources and is more convenient in painting and installation;

3. Use a cloth dipped in a special cleaning agent to remove it, and avoid using too sharp tools to clean the surface of the board. This timely cleaning ensures that the offset printing will not remain on the surface of the thermal insulation and decoration integrated board, and also ensures the appearance of the thermal insulation and decorative integrated board. Avoid using sharp tools for cleaning, and also ensure the integrity of the appearance of the thermal insulation and decorative integrated board. If the appearance is damaged, it may affect the thermal insulation performance of the overall board and affect the later use of the overall board, which is wasteful.

Description of drawings

Fig. 1 is a schematic diagram of the cross-sectional structure of the invention.

In the figure: 1. Adhesive; 2. Interface agent; 3. Plastering mortar; 4. Mesh cloth; 5. Putty and primer; 6. Paint finish; 7. Anchors.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Embodiment 1: A thermal insulation and decoration integrated board, including an adhesive 1, an interface agent 2 is arranged under the adhesive 1, and a plastering mortar 3 is arranged under the interface agent 2, and a grid cloth is arranged under the plastering mortar 3 4. Anchor bolts 7 are arranged inside the mesh cloth 4 , putty and primer 5 are arranged under the mesh cloth 4 , and a paint finish 6 is arranged under the putty and primer 5 .

A construction process for thermal insulation and decoration integrated panels, comprising the following steps:

The first step is to clean the base, remove the hollow plaster layer of the outer wall, and clean up some impurities on the outer wall;

The second step, according to the actual requirements of on-site construction, cut the bottom plate into the specified size according to the design plan;

The third step is to configure the special bonding mortar for the thermal insulation and decoration integrated board according to a certain ratio;

The fourth step is to paste the thermal insulation and decoration integrated board and check the overall flatness;

The fifth step is to install mechanical fasteners after pasting the plates;

The sixth step is to fill the gap between the boards with caulking foam;

The seventh step is to fill the gap between the plates with weather-resistant silicone sealant;

Step 8: After the construction and installation of all the thermal insulation and decoration integrated panels are completed, check the sanitation of the panel surface and clean the surface of the thermal insulation and decorative integrated panels.

In the first step, clean up impurities such as garbage, oil stains and moss on the outer wall, and then roughly repair and level the damaged plaster layer, check the flatness of the wall, the verticality of large angles, etc., and check with a 2m ruler to check the smoothness of the wall The degree error is less than 4mm, and a certain slope needs to be reserved for the window sills and cornices. The next step is to be performed after the leveling and plastering is dry. This ensures the flatness of the overall wall surface, and it is more convenient to install the thermal insulation and decorative integrated board later, and The effect and quality of installing the thermal insulation and decoration integrated board on the wall with better flatness is better, which makes the installation of the thermal insulation and decorative integrated board more firm and prolongs the service life of the overall thermal insulation and decorative integrated board.

In the second step, the plate processing must be carried out according to the actual specification and size after the elastic thread. When cutting the plate, the drawings should be combined with the actual situation. When cutting, attention should be paid to the accuracy of the fit. When cutting the plate, attention should be paid to maintaining The cleanness of the board surface avoids bumps during cutting, which makes the appearance of the thermal insulation and decorative integrated board more beautiful. Since the thermal insulation and decorative integrated board is installed outdoors, this more accurate cutting is more suitable for the shape of the building, so that the thermal insulation and decorative integrated board can be very Completely fit the building, so the thermal insulation rate of the thermal insulation and decoration integrated panel is higher, and the applicability of the thermal insulation and decorative integrated panel is wider.

In the third step, mix the adhesive mortar in a mortar mixer or use an electric mixer in the rubber bucket for 3 minutes, then let it stand for 5 minutes, and use it after stirring again. The adhesive mortar after mixing should be used within 2 hours. Do not stir the adhesive mortar again after more than two hours, so that the activity of the adhesive mortar is completely preserved. The integrated board is more firm, prolonging the service life of the thermal insulation integrated decorative board.

In the fourth step, apply the prepared adhesive mortar on the back of the thermal insulation and decoration integrated board with a trowel, no less than 8 coating points per square meter, and the diameter of each coating point must be greater than 150mm, and then integrate the thermal insulation and decoration Graffiti on the wall, use a suction cup to absorb on the surface of the thermal insulation and decoration integrated panel, and adjust the position of the thermal insulation and decorative integrated panel. The overall flatness should be less than 3mm, and the height difference between the board seams should be less than 1mm. Adhesive mortar installs the thermal insulation and decoration integrated board in the strongest bonding way, which not only saves the amount of adhesive mortar used, but also can well install the thermal insulation and decorative integrated board very firmly.

In the fifth step, the fasteners should be installed from the middle of the straight edge at a distance of 300. If necessary, an external pressure piece should be added to adjust the height difference between the board seams. Avoid excessive force when installing the fasteners, so as not to cause deformation of the board surface. In this way, the thermal insulation and decoration integrated board is reinforced twice, and the firmness and service life of the whole board are improved.

In the sixth step, according to the gap between the boards and the requirements of the construction drawings, select qualified heat-insulating caulking foam materials to fill the seams. During the construction process, the caulking foam materials should be evenly embedded in the board seams to avoid pulling Hard pulling, so that the gaps are treated to prevent rainwater from entering the interior of the bonding mortar and affecting the overall firmness.

In the seventh step, use a glue gun to fill the gap between the board and the board with weather-resistant sealant. The color of the sealant should be dense. During the filling process, it should be continuous, uniform, and free of air bubbles, so as to ensure the quality of the gap filling. The seam can make the appearance of the thermal insulation and decoration integrated board more beautiful, and at the same time, it will not allow rainwater to enter the gaps of the board, avoiding the rainwater from affecting the adhesion of the adhesive mortar, thereby avoiding the later falling off of the thermal insulation and decorative integrated board, which greatly prolongs the service life. The service life of the thermal insulation integrated decorative board.

In the eighth step, if offset printing is left on the surface of the board, it should be removed in time with a cloth dipped in a special cleaning agent, avoid using too sharp tools to clean the surface of the board, and clean it in time to ensure that the offset printing will not remain on the thermal insulation and decoration integrated board The surface of the insulation and decoration integrated board ensures the aesthetics of the appearance of the insulation and decoration integrated board. Avoiding the use of sharp tools for cleaning also ensures the integrity of the appearance of the insulation and decoration integrated board. If the appearance is damaged, it may affect the insulation performance of the whole board and affect the later use of the whole board. , which is more wasteful.

Embodiment 2: A thermal insulation and decoration integrated board, including an adhesive 1, an interface agent 2 is arranged under the adhesive 1, and a plastering mortar 3 is arranged under the interface agent 2, and a mesh cloth is arranged under the plastering mortar 3 4. Anchor bolts 7 are arranged inside the mesh cloth 4 , putty and primer 5 are arranged under the mesh cloth 4 , and a paint finish 6 is arranged under the putty and primer 5 .

A construction process for thermal insulation and decoration integrated panels, comprising the following steps:

The first step is to clean the base, remove the hollow plaster layer of the outer wall, and clean up some impurities on the outer wall;

The second step, according to the actual requirements of on-site construction, cut the bottom plate into the specified size according to the design plan;

The third step is to configure the special bonding mortar for the thermal insulation and decoration integrated board according to a certain ratio;

The fourth step is to paste the thermal insulation and decoration integrated board and check the overall flatness;

The fifth step is to install mechanical fasteners after pasting the plates;

The sixth step is to fill the gap between the boards with caulking foam;

The seventh step is to fill the gap between the plates with weather-resistant silicone sealant;

Step 8: After the construction and installation of all the thermal insulation and decoration integrated panels are completed, check the sanitation of the panel surface and clean the surface of the thermal insulation and decorative integrated panels.

In the first step, clean up impurities such as garbage, oil stains and moss on the outer wall, and then roughly repair and level the damaged plaster layer, check the flatness of the wall, the verticality of large angles, etc., and check with a 2m ruler to check the smoothness of the wall The degree error is less than 4mm, and a certain slope needs to be reserved for the window sills and cornices. The next step is to be performed after the leveling and plastering is dry. This ensures the flatness of the overall wall surface, and it is more convenient to install the thermal insulation and decorative integrated board later, and The effect and quality of installing the thermal insulation and decoration integrated board on the wall with better flatness is better, which makes the installation of the thermal insulation and decorative integrated board more firm and prolongs the service life of the overall thermal insulation and decorative integrated board.

In the second step, the plate processing must be carried out according to the actual specification and size after the elastic thread. When cutting the plate, the drawings should be combined with the actual situation. When cutting, attention should be paid to the accuracy of the fit. When cutting the plate, attention should be paid to maintaining The cleanness of the board surface avoids bumping during cutting, which makes the appearance of the thermal insulation and decorative integrated board more beautiful. Since the thermal insulation and decorative integrated board is installed outdoors, such precise cutting is more suitable for the shape of the building, so that the thermal insulation and decorative integrated board can be very complete. It fits the building perfectly, so the thermal insulation rate of the thermal insulation and decoration integrated panel is higher, and the applicability of the thermal insulation and decorative integrated panel is wider.

In the third step, mix the adhesive mortar in a mortar mixer or use an electric mixer in the rubber bucket for 5 minutes, then let it stand for 10 minutes, and use it after stirring again. The adhesive mortar after mixing should be used within 2 hours. Do not stir the adhesive mortar again after more than two hours, so that when the adhesive mortar is used, the adhesive mortar can release the best bonding performance, ensuring that the thermal insulation and decorative integrated board is more firmly pasted, and the thermal insulation integrated decoration is extended. board life.

In the fourth step, apply the prepared adhesive mortar on the back of the thermal insulation and decoration integrated board with a trowel, no less than 8 coating points per square meter, and the diameter of each coating point must be greater than 150mm, and then integrate the thermal insulation and decoration Graffiti on the wall, use a suction cup to absorb on the surface of the thermal insulation and decoration integrated panel, and adjust the position of the thermal insulation and decorative integrated panel. The overall flatness should be less than 3mm, and the height difference between the board seams should be less than 1mm. Adhesive mortar installs the thermal insulation and decoration integrated board in the strongest bonding way, which not only saves the amount of adhesive mortar used, but also can well install the thermal insulation and decorative integrated board very firmly.

In the fifth step, the fasteners should be installed from the middle of the straight edge at a distance of 500mm. If necessary, an external pressure piece should be added to adjust the height difference between the board seams. Avoid excessive force when installing the fasteners, so as not to cause deformation of the board surface. In this way, the thermal insulation and decoration integrated board is reinforced twice, and the firmness of the whole board is improved.

In the sixth step, according to the gap between the boards and the requirements of the construction drawings, select qualified heat-insulating caulking foam materials to fill the seams. During the construction process, the caulking foam materials should be evenly embedded in the board seams to avoid pulling Hard pulling, so that the gaps are treated to prevent rainwater from entering the interior of the bonding mortar and affecting the overall firmness.

In the seventh step, use a glue gun to fill the gap between the board and the board with weather-resistant sealant. The color of the sealant should be dense. During the filling process, it should be continuous, uniform, and free of air bubbles, so as to ensure the quality of the gap filling. The seam can make the appearance of the thermal insulation and decoration integrated board more beautiful, and at the same time, it will not allow rainwater to enter the gaps of the board, avoiding the rainwater from affecting the adhesion of the adhesive mortar, thereby avoiding the later falling off of the thermal insulation and decorative integrated board, which greatly prolongs the service life. The service life of the thermal insulation integrated decorative board.

In the eighth step, if offset printing is left on the surface of the board, it should be removed in time with a cloth dipped in a special cleaning agent, avoid using too sharp tools to clean the surface of the board, and clean it in time to ensure that the offset printing will not remain on the thermal insulation and decoration integrated board The surface of the insulation and decoration integrated board ensures the aesthetics of the appearance of the insulation and decoration integrated board. Avoiding the use of sharp tools for cleaning also ensures the integrity of the appearance of the insulation and decoration integrated board. If the appearance is damaged, it may affect the insulation performance of the whole board and affect the later use of the whole board. , which is more wasteful.

The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention.

Claims (10)

1. A thermal insulation and decoration integrated board, comprising an adhesive (1), characterized in that: an interface agent (2) is arranged under the adhesive (1), and a plastering glue (3) is arranged under the interface agent (2) ), and the bottom of the plastering mortar (3) is provided with grid cloth (4), the inside of the grid cloth (4) is provided with anchor bolts (7), and the bottom of the grid cloth (4) is provided with The putty and the primer (5), and a paint finish (6) is arranged under the putty and the primer (5). 2. A construction process for a thermal insulation and decoration integrated board as claimed in claim 1, characterized in that it comprises the following steps: The first step is to clean the base, remove the hollow plaster layer of the outer wall, and clean up some impurities on the outer wall; The second step, according to the actual requirements of on-site construction, cut the bottom plate into the specified size according to the design plan; The third step is to configure the special bonding mortar for the thermal insulation and decoration integrated board according to a certain ratio; The fourth step is to paste the thermal insulation and decoration integrated board and check the overall flatness; The fifth step is to install mechanical fasteners after pasting the plates; The sixth step is to fill the gap between the boards with caulking foam; The seventh step is to fill the gap between the plates with weather-resistant silicone sealant; Step 8: After the construction and installation of all the thermal insulation and decoration integrated panels are completed, check the sanitation of the panel surface and clean the surface of the thermal insulation and decorative integrated panels. 3. The construction process of thermal insulation and decoration integrated board according to claim 2, characterized in that: in the first step, impurities such as garbage, oil stains and moss on the outer wall surface are cleaned, and then the damaged plastering layer is roughly repaired and repaired. For leveling, check the flatness of the wall, the verticality of large angles, etc., and check with a 2m ruler. The error of the flatness of the wall is less than 4mm. A certain slope needs to be reserved for the window sill and cornice. 4. The construction process of thermal insulation and decoration integrated board according to claim 2, characterized in that: in the second step, the processing of the board must be carried out according to the actual specification and size after the wire is snapped, and the drawing and the size of the board should be cut when cutting the board. Combined with the actual situation, you should pay attention to the accuracy of the fit when cutting. When cutting the board, you should pay attention to keeping the board surface clean to avoid bumps during cutting. 5. The construction process of thermal insulation and decoration integrated board according to claim 2, characterized in that: in the third step, the bonding mortar is stirred in a mortar mixer or in a rubber bucket using an electric mixer for 3 minutes, and then left to stand After 5 minutes, stir again and use it. The adhesive mortar after stirring should be used within 2 hours. After more than two hours, the adhesive mortar should not be stirred again for use. 6. The construction process of thermal insulation and decoration integrated board according to claim 2, characterized in that: in the fourth step, apply the prepared adhesive mortar on the back of the thermal insulation and decoration integrated board with a trowel, There are no less than 8 coating points, and the diameter of each coating point needs to be greater than 150mm. Then, graffiti the thermal insulation and decoration integrated board on the wall, and use a suction cup to absorb it on the surface of the thermal insulation and decorative integrated board, and adjust the position of the thermal insulation and decorative integrated board , the overall flatness should be less than 3mm, and the height difference between the plate seams should be less than 1mm. 7. The construction process of thermal insulation and decoration integrated board according to claim 2, characterized in that: in the fifth step, the fasteners should be installed from the middle of the straight side at a distance of 300mm, and then add an external pressure adjustment plate if necessary Avoid excessive force when installing fasteners, so as not to cause deformation of the board surface. 8. The construction process of thermal insulation and decoration integrated board according to claim 2, characterized in that: in the sixth step, according to the gap between the boards and the requirements of the construction drawings, qualified heat insulation caulking foam materials are selected to fill During the construction process, the caulking foam material should be evenly embedded in the board seams to avoid hard pulling. 9. The construction process of thermal insulation and decoration integrated board according to claim 2, characterized in that in the seventh step, a glue gun is used to fill the gap between the boards with weather-resistant sealant, and the color of the sealant should be dense , During the glue filling process, it should be continuous, uniform and free of air bubbles. 10. The construction process of thermal insulation and decoration integrated board according to claim 2, characterized in that: if offset printing is left on the board surface in the eighth step, it should be removed in time with a cloth dipped in a special cleaning agent to avoid using too much Sharp tools clean the surface of the board.

Images