JP6560501B2 - Insulation structure of roof - Google Patents

Description

  The present invention generally relates to a heat insulating structure for a roof, and more particularly to a heat insulating structure for a roof in which a heat insulating material is provided between a base portion and a roof material.

  Patent Document 1 discloses a conventional heat insulating structure for a roof. The heat insulating structure of the roof described in Patent Document 1 is surrounded by a lower base plate supported by a plurality of rafters, an upper base plate fixed on the lower base plate via a pier, a lower base plate, an upper base plate, and a pier. And a plurality of heat insulating materials provided in the part. A plurality of roofing materials are arranged and fixed on the Ueno plate.

JP 2013-199797 A

  By the way, in this conventional heat insulating structure of the roof, the heat insulating material is disposed between the piers that fix the Ueno plate. For this reason, in the conventional heat insulation structure of a roof, it is not only necessary to change the size of the heat insulating material in accordance with the mounting pitch of the pier, but if the mounting pitch of the pier is narrow, the workability may be lowered.

  Moreover, since the roof material is fixed to the upper ground plate in the conventional heat insulating structure of the roof, the roof material cannot be fixed even if it is attempted to simplify the construction and reduce the cost by omitting the upper ground plate. Therefore, in the conventional heat insulation structure of the roof, it is difficult to simplify construction and reduce costs in this respect.

  The present invention has been made in view of the above circumstances, and the purpose thereof is to change the size of the heat insulating material according to the mounting pitch of the pier, and to fix the roofing material. An object of the present invention is to provide a heat insulating structure for a roof that can save a field plate and can simplify construction and reduce costs.

The heat insulating structure of the roof of the present invention is a base part, a heat insulating material placed on the base part, fixed to the base part in a state of being put on the heat insulating material, extends in a roof gradient direction, and A plurality of vertical beam members spaced apart in a direction perpendicular to the roof gradient direction, and a plurality of roof materials fixed to the vertical beam members, and the upper surface of the heat insulating material is formed in parallel to the vertical beam members. The vertical beam member is accommodated in the concave groove, and the concave groove is formed wider than the vertical beam member, and the concave groove vents in the roof gradient direction. The ventilation portion is configured .

  According to the heat insulating structure of the roof of the present invention, it is not necessary to change the size of the heat insulating material in accordance with the mounting pitch of the crosspieces, and it is possible to omit the field plate for fixing the roofing material. Therefore, the construction can be simplified and the cost can be reduced.

FIG. 1A is a side sectional view of a heat insulating structure for a roof according to the present embodiment. FIG. 1B is a front sectional view of the heat insulating structure of the roof according to the present embodiment. It is a top view of the heat insulation structure of the roof of this embodiment. It is a figure for demonstrating the construction procedure of the heat insulation structure of the roof of this embodiment, and is a perspective view of a hut assembly. It is a figure for demonstrating the construction procedure of the heat insulation structure of the roof of this embodiment, and is a perspective view of the state which installed the field plate. It is a figure for demonstrating the construction procedure of the heat insulation structure of the roof of this embodiment, and is a perspective view of the state which installed the heat insulating material. It is a figure for demonstrating the construction procedure of the heat insulation structure of the roof of this embodiment, and is a perspective view of the state which installed the vertical beam. It is a figure for demonstrating the construction procedure of the heat insulation structure of the roof of this embodiment, and is a perspective view of the state which installed the roofing material. FIG. 8A is a cross-sectional side view of a main part of a heat insulating structure for a roof according to Modification 1; FIG. 8B is a front sectional view of a principal part of the heat insulating structure of the roof according to the first modification. FIG. 9A is a side sectional view of a heat insulating structure for a roof according to the second modification. FIG. 9B is a front sectional view of the heat insulating structure of the roof according to the second modification. It is principal part side sectional drawing of the heat insulation structure of the roof of the modification 3.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  The heat insulation structure of the roof of this embodiment is applied to the roof of a residential house, for example. Examples of the roof include a gable roof, a dormitory roof, and a single-flow roof (note that the roof of this embodiment is a gable roof). The roof has a ridge and an eaves. The ridge is the highest point of the roof. In addition, the eaves are portions that protrude from the outer wall surface on the roof, and are the lowest portions of the roof. The roof has a roof slope in the direction of the eaves.

  Hereinafter, the direction parallel to the eaves direction is defined as the roof gradient direction. Also, the horizontal direction perpendicular to the roof slope direction is defined as the left-right direction.

  As shown in FIG. 1, the heat insulating structure of the roof includes a base portion 1, a heat insulating material 2 placed on the base portion 1, and a plurality of vertical beam members that are placed on the heat insulating material 2 and fixed to the base portion 1. 3 and a plurality of roofing materials 4 fixed to the vertical beam 3.

  The base portion 1 is a portion that becomes the base of the roof material 4 and supports the heat insulating material 2 and the roof material 4. The base portion 1 of the present embodiment includes a field board 11 and a plurality of rafters 12. The rafters 12 extend in the roof gradient direction, and a plurality of rafters 12 are arranged with a certain size in a direction perpendicular to the roof gradient direction. The field board 11 is placed and fixed on a plurality of rafters 12. The upper surface of the base portion 1 (that is, the upper surface of the field board 11) is inclined in the roof gradient direction.

  The heat insulating material 2 is placed and fixed on the base portion 1. The heat insulating material 2 is composed of a plurality of heat insulating boards 20. The heat insulating board 20 is made of, for example, a foamed plastic heat insulating material or an inorganic foam heat insulating material. Examples of the foamed plastic heat insulating material include extruded polystyrene foam, bead polystyrene foam, and phenol foam. As for an inorganic foam type heat insulating material, a pearlite board or a calcium carbonate type heat insulating material is mentioned, for example.

  A plurality of concave grooves 21 are formed in the heat insulating material 2. The concave groove 21 has a bottom surface 22 that is recessed from the top surface of the heat insulating material 2. The concave groove 21 has a length in the roof gradient direction and a width in the left-right direction (see FIG. 5). The concave groove 21 of this embodiment is provided over the entire length in the roof gradient direction of the roof (that is, provided from the eaves to the ridge). The end of the eave side of the concave groove 21 communicates with the space under the eave, and the end of the ridge side communicates with the wrapping 5 (see FIG. 7). Thereby, the ditch | groove 21 connects the space under the eaves and the space in the ridge wrap 5, and comprises the ventilation | gas_flowing part 23 which ventilates in a roof gradient direction.

  A plurality of vertical bars 3 are provided on the heat insulating material 2. Each vertical crosspiece 3 extends in the roof gradient direction. The plurality of vertical rail members 3 are arranged apart in the left-right direction. This vertical crosspiece 3 is a crosspiece for fixing the roofing material 4 and, as shown in FIG. 2, overlaps with the fixing portion 41 (the fixing tool insertion hole 42 in this embodiment) of the roofing material 4 in plan view. Placed in position. The vertical crosspiece 3 is composed of square bars having a width in the left-right direction, a length in the roof gradient direction, and a thickness in a direction perpendicular to the roof surface. The dimension in the thickness direction of the vertical beam 3 is substantially the same as the depth dimension of the groove 21 as shown in FIG. 1B. The vertical crosspiece 3 is provided over the entire length in the roof gradient direction of the roof.

  As shown in FIG. 1B, the vertical beam 3 is formed so that its width is shorter (that is, narrower) than the width of the concave groove 21. The vertical beam 3 is accommodated in the recessed groove 21 and is thereby embedded in the heat insulating material 2. The vertical beam 3 is fixed in a state where the lower surface thereof is in contact with the bottom surface 22 of the concave groove 21, and the upper surface is located on the same plane as the upper surface of the heat insulating material 2. Specifically, as shown in FIG. 1A, the vertical beam 3 is struck to the base portion 1 by a plurality of fixing tools such as nails and screws driven from above and fixed to the base portion 1. Is done.

  In addition, the vertical crosspiece 3 may be fixed to the heat insulating material 2 fixed to the base portion 1, and thereby fixed to the base portion 1 via the heat insulating material 2. Moreover, the vertical crosspiece 3 is not limited to wood, but may be either resin or metal. Examples of the metal vertical beam member 3 include a hollow square pipe and C-shaped steel.

  The plurality of roofing materials 4 are fixed to the vertical beam 3. Each roof material 4 is, for example, a flat cement tile. As shown in FIG. 2, the roof material 4 has a fixing portion 41 for fixing to the vertical beam 3. The fixing portion 41 of the present embodiment is configured by a plurality of fixing tool insertion holes 42. The roofing material 4 of the present embodiment has a plurality of fixing tool insertion holes 42 provided apart in the left-right direction.

  The roof material 4 is not limited to a flat cement tile, but may be a metal roof, a Japanese tile, or a Western tile.

  The installer arranges the roofing material 4 in the left-right direction along the eaves 6 and fixes it with the fixing tool. Next, the installer arranges and fixes another roof material 4 so as to cover the ridge-side half of the existing roof material 4. At this time, the installer arranges the roof material 4 on the ridge side by a half shift in the left-right direction with respect to the roof material 4 on the eaves side. Thereby, the some roofing material 4 is arrange | positioned at zigzag form.

  The heat insulating structure of the roof of this embodiment having such a configuration is constructed as follows, for example.

  As shown in FIG. 3, the installer forms a cabin set. At this time, the installer fixes the plurality of rafters 12 at a constant pitch in the left-right direction so as to span the purlin 13 and the plurality of purlins 14. Next, the installer places and fixes the field board 11 on the rafter 12 as shown in FIG. As a result, the base portion 1 is formed. A moisture-proof sheet may be laid on the base plate 11 as necessary.

  Next, the installer places a plurality of heat insulation boards 20 on the base portion 1 as shown in FIG. At this time, the installer arranges the heat insulation board 20 so that the concave grooves 21 are made continuous in the roof gradient direction. Next, as shown in FIG. 6, the installer arranges the vertical beam member 3 in the concave groove 21, inputs a fixing tool from above the vertical beam member 3, and the vertical beam member 3 together with the heat insulating material board 20. Is applied to the base 1. In addition, it is preferable to lay a waterproof sheet (for example, asphalt roofing) on the heat insulating material 2 and the vertical beam member 3 formed in this way.

  Next, as shown in FIG. 7, the installer arranges the roofing material 4 on the vertical beam member 3, drives a fixing tool into the fixing portion 41 of the roofing material 4, and attaches the roofing material 4 to the vertical beam member. Fix to 3. The installer sequentially fixes the roof material 4 to form a roof.

(Features of the heat insulating structure of the roof according to the present embodiment)
As described above, the roof heat insulating structure of the present embodiment has the first feature. In the first feature, the heat insulating structure of the roof includes a base portion 1, a heat insulating material 2 placed on the base portion 1, and a plurality of pieces fixed to the base portion 1 in a state of being placed on the heat insulating material 2. A vertical crosspiece 3 is provided. Each vertical crosspiece 3 extends in the roof gradient direction. Adjacent vertical bars 3 are separated in a direction perpendicular to the roof gradient direction. In addition, the heat insulating structure of the roof according to the present embodiment further includes a plurality of roof materials 4 fixed to the vertical rail members 3.

  For this reason, according to the heat insulation structure of the roof of this embodiment, since the vertical beam 3 is provided on the heat insulating material 2, the size of the heat insulating material 2 is increased regardless of the mounting pitch of the vertical beam 3. Can be determined. And since the roofing material 4 is being fixed to the vertical crosspiece 3, it is not necessary to install the field board 11 for fixing the roofing material 4. FIG. As a result, according to the heat insulating structure of the roof of the present embodiment, it is not necessary to change the size of the heat insulating material 2 according to the mounting pitch of the crosspieces, and the field plate 11 for fixing the roofing material 4 is omitted. be able to. Therefore, simplification of construction and cost saving can be achieved.

  Further, in the heat insulating structure of the roof according to the present embodiment, since the vertical beam 3 for fixing the roof material 4 extends in the roof gradient direction, the ventilation portion 23 along the vertical beam 3 can be formed. it can. Thereby, the hot air and moisture under the roofing material 4 can be discharged.

  It is preferable that the heat insulation structure of the roof of this embodiment has the following 2nd-4th characteristics. The second to fourth features are not necessarily required for the present invention, but are arbitrary configurations.

  In the second feature, the vertical crosspiece 3 is embedded in the heat insulating material 2 in the first feature. The upper surface of the vertical beam 3 and the upper surface of the heat insulating material 2 are located on the same plane. Here, the fact that the upper surface of the vertical beam 3 and the upper surface of the heat insulating material 2 are located on the same plane does not mean “on the same plane” in a strict sense, but is slightly different in the positions of both upper surfaces. Even if there exists, if it is a range with the following effect, it will be considered that the upper surface of the vertical crosspiece 3 and the upper surface of the heat insulating material 2 are located on the same plane.

  According to the 2nd characteristic, since the roof material 4 contacts not only the vertical beam 3 but the upper surface of the heat insulating material 2, the roof material 4 can be supported over the whole surface. As a result, the installation state of the roof material 4 can be stabilized. As a result, the roof material 4 is unlikely to be bent or stepped.

  In the third feature, in the first or second feature, the heat insulating material 2 is provided with a concave groove 21 formed in parallel to the vertical beam member 3. The concave groove 21 constitutes a ventilation part 23 that ventilates in the roof gradient direction.

  For this reason, according to the 3rd characteristic, the heat which the roof material 4 received can be cooled with the air which distribute | circulates the ventilation | gas_flowing part 23. FIG. Moreover, moisture can be discharged | emitted by the air which distribute | circulates the ventilation | gas_flowing part 23, and the heat insulating material 2 can be dried. Thereby, the hot air and moisture under the roofing material 4 can be discharged.

  In the fourth feature, the groove 21 is formed wider than the vertical rail member 3 in the third feature. The vertical beam 3 is accommodated in the concave groove 21, and the upper surface of the vertical beam 3 and the upper surface of the heat insulating material 2 are located on the same plane.

  For this reason, according to the 4th characteristic, the part in which the vertical beam 3 in the ditch | groove 21 does not comprise the ventilation | gas_flowing part 23, and exhausts the heat | fever and moisture between the heat insulating material 2 and the roofing material 4. In addition, the roof material 4 can be supported over the entire surface.

(Modification 1 of this embodiment)
In the heat insulating structure of the roof of the present embodiment, the vertical beam 3 is accommodated in the concave groove 21, but for example, a configuration as shown in FIGS. 8A and 8B may be used (hereinafter, this aspect is a modified example). 1). In the first modification, the configuration corresponding to the configuration of the above-described embodiment is given a reference numeral with an alphabet “a” added to the end of the reference numeral of the above-described embodiment, and redundant description is omitted.

  In the heat insulating structure of the roof according to the first modification, the vertical beam 3a is provided on the heat insulating material 2a, but the vertical beam 3a is embedded in the heat insulating material 2a as in the above embodiment. The upper surface of the vertical beam member 3a is located on the same plane as the upper surface of the heat insulating material 2a. Specifically, the upper surface of the vertical beam member 3a and the upper surface of the heat insulating material 2a are flush with each other. A roof material 4a is fixed to the vertical beam 3a.

  The ditch | groove 21a of the modification 1 is provided away from the vertical crosspiece 3a in the left-right direction. The length direction of the concave groove 21a is parallel to the length direction of the vertical beam member 3a, and is formed along the vertical beam member 3a. The concave groove 21a constitutes a ventilation portion 23a that ventilates in the roof gradient direction.

(Modification 2 of this embodiment)
In the heat insulating structure of the roof of the above embodiment, the vertical crosspiece 3 is embedded in the heat insulating material 2, but for example, a configuration as shown in FIGS. 9A and 9B may be used (hereinafter, this aspect is modified example 2). Called). Note that in the second modification, the components corresponding to the components in the above embodiment are given the reference numerals with the alphabet “b” added to the end of the reference numerals in the above embodiments, and redundant descriptions are omitted.

  In the heat insulating structure of the roof according to the second modification, the vertical beam member 3b is provided on the heat insulating material 2b. Specifically, the vertical beam member 3b is not embedded in the heat insulating material 2b. Thereby, the upper surface of the vertical crosspiece 3b is located above the upper surface of the heat insulating material 2b. Moreover, the upper surface of this heat insulating material 2b is a plane, and the ditch | groove 21 is not provided.

  The heat insulating structure of the roof according to the second modification also has a ventilation portion 23b. The ventilation part 23b is provided between the plurality of vertical beam members 3b (that is, the part surrounded by the pair of vertical beam members 3b, the lower surface of the roofing material 4b, and the upper surface of the heat insulating material 2 is the ventilation member 23b). . This ventilation part 23b is provided along the vertical crosspiece 3b, and connects the space under the eaves of the roof and the space in the wing wrap 5.

  According to the heat insulating structure of the roof of the second modification, the installer can install the vertical rail member 3b on site, so that it is easy to perform the construction according to the position of the fixing portion 41b of the roof member 4b. Moreover, when a waterproof sheet is laid on the heat insulating material 2b, it is preferable to provide a ruled line as a mark at a position where the vertical beam member 3b is to be fixed to the waterproof sheet. Thereby, workability can be improved further.

(Modification 3 of this embodiment)
In the heat insulating structure of the roof according to the present embodiment, the base portion 1 is configured by the field board 11 and the rafter 12, but may be configured as shown in FIG. 10 (hereinafter, this mode is a modified example). 3). Note that, in Modification 3, the configuration corresponding to the configuration of the above-described embodiment is given a reference numeral with the letter “c” added to the end of the reference numeral of the above-described embodiment, and redundant description is omitted.

  The base part 1c of the modification 3 is comprised by the existing roof. That is, the roof structure of Modification 3 is a heat insulating structure obtained by refurbishing an existing roof. According to the heat insulating structure of the roof, the existing roof can be repaired while simplifying the construction and reducing the cost. In addition, according to the heat insulating structure of the roof of the modification example 3, the roof having the ventilation portion 23c can be easily formed with respect to the existing roof where the ventilation portion is not provided.

  Note that the roof heat insulation structure of Modification 1 or 2 can be applied to the heat insulation structure of the roof of Modification 3.

DESCRIPTION OF SYMBOLS 1 Ground part 11 Base plate 12 Rafter 13 Purlin 14 Purlin 2 Heat insulation material 21 Ditch 22 Bottom surface 23 Ventilation part 3 Vertical beam material 4 Roofing material 41 Fixing part 42 Fastener insertion hole 5 Building wrap 6 eaves

Claims (2)

A base part,
A heat insulating material placed on the base,
A plurality of vertical beam members fixed to the base portion in a state of being placed on the heat insulating material, extending in a roof gradient direction and spaced apart in a direction perpendicular to the roof gradient direction;
With a plurality of roofing materials fixed to this vertical beam ,
On the upper surface of the heat insulating material, a concave groove formed in parallel to the vertical beam is provided,
The vertical beam is accommodated in the groove,
The roof heat insulating structure, wherein the concave groove is formed wider than the vertical beam member, and the concave groove constitutes a ventilation portion that ventilates in a roof gradient direction . The upper surface of the vertical beam member and the upper surface of the heat insulating material are located on the same plane.
The heat insulating structure for a roof according to claim 1.

Images