JP2000080736A - Airtight member for execution of roof insulation work and method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide airtight members for execution of roof insulation works and a roof insulation work-execution method using the airtight members in the formation of roof insulation layer without using too many works and man-hours for securing airtightness between rafters and an insulating material such as foamed urethane filling, foaming, hardening or caulking process without creating individual differences in the work due to variations in workers' skills. SOLUTION: An airtight member 1 is for performing roof insulation work for which a gutter-shaped opening is made in an upper portion to provide a function for fitting a rafter 6 in the opening with elastic deformed portions at each side in one united body in addition to a bottom plate 4 and an insulation bearing collar portion 5 formed in one united body underneath the elastic deformed portion. Also, the airtight member 1 for roof insulation work is fixed to one or more of purlin, ridge and eaves girder. Next, an insulation member 9 is pushed down from the above to a space between airtight member 1 (rafter 6) for roof insulation work, it is fitted and the elastic deformation parts of the airtight members 1 at both sides are deformed, airtight performance is realized by the elastic restoring force, and the insulation member 9 is supported by the insulation supporting collar portion 5 formed at a lower part of the airtight member 1 for roof insulation work.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airtight member for roof insulation construction, which can provide excellent airtightness by a simple construction method when forming a roof insulation layer of a building, and a roof insulation using the same. Concerning the construction method.

[0002]

2. Description of the Related Art In addition to the requirements of the Energy Conservation Law, from the viewpoint of global environmental protection, it is required to improve the heat insulation of a building so as not to wastefully consume fuel. Especially in cold regions, it is important to have a high level of insulation of buildings.

Conventionally, a roof heat insulating layer is formed by fitting a plate-like heat insulating material made of, for example, urethane foam between rafters. At that time, in order to secure airtightness between the rafter and the heat insulating material, urethane foam is injected into the gap and foamed to form a seal layer or to perform a caulking treatment.

[0004] The formation of the seal layer not only requires much labor and time, but also has personal differences depending on the skill of the operator.

[0005]

DISCLOSURE OF THE INVENTION The present invention relates to a method for forming a roof heat insulating layer, which is for securing airtightness between rafters and heat insulating material.
For example, the above-mentioned urethane foam injection, foaming / solidification or coking treatment does not require much labor and time, and there is no personal difference due to the skill of the worker. It is an object of the present invention to provide an airtight member for roof insulation construction and a roof insulation construction method using the same.

[0006]

The invention according to claim 1 for solving the problems in the present invention has a gutter-like shape having an opening at an upper portion and functions to fit a rafter. The gist is that an elastically deformable portion is integrally formed on the side, and a bottom plate and a flange portion for supporting a heat insulating material are integrally formed below the elastically deformable portion.

According to a second aspect of the present invention, the elastically deformable portion integrally formed on the side integrally forms a fin projecting horizontally or obliquely downward from the outer surface of the upright side plate. The airtight member for roof insulation construction according to claim 1, wherein

According to a third aspect of the present invention, the elastically deformable portion integrally formed on the side has fins projecting outward and obliquely downward from the outer surface of the upright side plate integrally with the top of the side plate. The airtight member for roof insulation construction according to claim 1 or 2, which is formed.

According to a fourth aspect of the present invention, the elastically deformable portion integrally formed on the side is formed integrally with the side plate at least one step in the vertical direction and a curved portion which bulges outward in an arc shape. The airtight member for roof insulation construction according to claim 1, wherein

According to a fifth aspect of the present invention, there is provided a roof insulation construction according to any one of the first to fourth aspects, wherein an end of the heat-insulating material supporting flange is curved upward. It is an airtight member.

According to a sixth aspect of the present invention, the airtight member for roof insulation is fixed to at least one of a purlin, a purlin, and an eaves girder, and then the heat insulating material is placed between the airtight members for roof insulation. From above, deforms the elastically deformed portions on the sides of the roof heat-insulating member on both sides and presses the heat-insulating material from both sides in the width direction by its restoring force to exert the air-tight performance, while the air-tight member for roof heat-insulating The gist lies in that the heat insulating material is supported by the heat insulating material supporting flange formed at the lower portion.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the accompanying drawings according to preferred embodiments.

[0013]

1 to 6 show an airtight member for roof insulation work according to the present invention and a pattern of roof insulation work using the same.
Fig. 1 shows a roof heat-insulating construction airtight member according to the present invention, in which fins projecting horizontally or obliquely downward from an upright side plate outer surface are integrally formed as side elastic deformation portions. In the embodiment, a rafter is fitted to the roof heat-insulating member, and a heat insulating material is fitted between the roof heat-insulating members.

In FIG. 1, reference numeral 1 denotes an airtight member for roof insulation construction, which has a gutter-like profile with an upper opening.
The airtight member 1 for roof heat insulation is formed of a synthetic resin such as ABS (acrylonitrile butadiene styrene), polypropylene, polyethylene, nylon, and vinyl chloride.

Reference numeral 2 denotes fins, which are integrally formed on both side plates 3 of the hermetic member 1 for roof insulation work. In this embodiment, the tip has a pointed sword-shaped cross section, and extends in the length direction of the airtight member 1 for roof insulation work. Fin 2
May have a plate shape with a uniform thickness. In this embodiment, the overhang length of the fin 2 is 10 mm to 17 mm, and the fin 2 is formed on the side plate 3 in two steps. The step-to-step spacing is 10 mm in this embodiment. The fins 2 may have one stage, but preferably have a plurality of stages.

As shown in FIGS. 1 to 4, in this embodiment, the fins 2 and 22 project outward from the outer surface of the upright side plate 3 or 23 horizontally or obliquely downward. When the material 9 is pressed and fitted between the rafters 6, it bends downward and bends, and the restoring force pushes the heat insulating material 9 from the rafters 6 on both sides toward the center between the rafters. Thus, the space between the rafter 6 and the heat insulating material 9 is an airtight member for roof heat insulating construction.
The tight airtightness is maintained by 1 and 20 .

In FIG. 1 to FIG. 4, reference numerals 4 and 24 denote bottom plates, each having a profile having a trough-like cross section at the upper opening for fitting the rafter 6 together with the side plates 3 and 23.

Reference numerals 5 and 25 denote flanges which are formed integrally with the bottom plate and project vertically and horizontally on the surfaces of the side plates 3 and 23. In this embodiment, the length of the flanges 5, 25 projecting from the outer surfaces of the side plates 3, 23 is about 20 mm, and the thickness together with the bottom plates 4, 24 is 1.2 mm.

The airtight members 1 and 20 for roof insulation construction are shown in FIG.
As shown in FIG. 6, the bottom plates 4 and 24 are nailed to the purlin 7 to be fixed so as to extend from the purlin to the eaves girder 8 as shown in FIG. Or, airtight material for roof insulation construction
The rafters 6 may be fitted to the first and the second 20 in advance, and the unit may be fixed to at least one of the purlin, the purlin and the eaves girder.

[0020] In Roof insulation construction for airtight member 20 shown in FIG. 4, a pair of fins 22 are integrally formed on the top of the side plate 23 as projecting toward the lower outwardly and obliquely. According to this embodiment, the reliability of the airtight performance can be further improved.

FIG. 5 shows another embodiment of the airtight member for roof insulation construction according to the present invention. In FIG. 5, reference numeral 10 denotes an airtight member for roof insulation construction, which has a gutter-like profile with an upper opening. The airtight member 10 for roof insulation construction is made of ABS.
(Acrylonitrile butadiene styrene), polypropylene, polyethylene, nylon, and vinyl chloride.

Reference numeral 12 denotes a curved portion, which is curved so that a part of the side plate 13 in the vertical direction bulges outward, and the curved portion functions as an elastically deformable portion. In this example,
Although the curved portion is formed in one step, it is a matter of course that a plurality of steps can be provided to improve the airtightness.

In FIG. 5, 13 is a side plate, 14 is a bottom plate,
Reference numeral 15 denotes a flange portion, which is formed integrally with the bottom plate.
In this embodiment, the end of the flange 15 is curved upward and warped. By adopting such an end shape of the flange portion 15, rigidity is increased, and deformation due to the weight of the heat insulating material 9 is reduced. The end shape of the flange portion 15 is such that the airtight members 1 and 20 for roof insulation construction having the fins 2 and 22
Of course, it can also be applied. Also, if the upper openings of the roof heat-insulating construction airtight members 1 and 20 are made slightly smaller than the width of the rafters 6, the rafters 6 can be attached to the roof insulation heat-sealing members 1 and 20 when the rafters 6 are fitted. Is fitted tightly, which is convenient for handling as an integral object.

Next, the airtight members 1 , 10 ,
The roof insulation construction using the construction 20 will be described with reference to FIG. First, the airtight members for roof insulation construction 1 , 10 ,
20 is fixed by nailing the bottom plates 4, 14, 24 to the purlin 7, or the airtight members 1 ,
The rafters 6 may be fitted in advance to 10 and 20 to be integrated, and the integrated body may be fixed to one or more of a purlin, a purlin, and an eaves girder.

Next, in an embodiment in which the bottom plates 4, 14, 24 are fixed to the purlin 7 by nailing, the rafters 6 are fitted to the air-tight members 1 , 10 , 20 for roof insulation construction, and the purlins and eaves are fitted. It is nailed and fixed to the beam 8. After that,
A heat insulating material 9 is pressed and fitted between the airtight members 1 , 10 , 20 (rafters) for roof heat insulating construction from above.

As a result, the airtight members 1 , 1 for roof insulation work are constructed.
The fins 2, 22 or the curved portion 12 of 0 , 20 are elastically deformed, and the restoring force of the fins 2, 22, or the airtight member for roof insulation construction on both sides.
The heat insulating agent 9 is pressed in the width direction from 1 , 10 , 20 (rafters).

Accordingly, the airtight member for roof insulation construction
The space between 1 , 10 , 20 (rafter) and the heat insulating material 9 is tightly sealed, and high airtightness is maintained.

[0028]

As described above, the present invention is constructed and operated as described above, so that it is possible to perform the roof heat insulation construction with a small number of personnel in a short time. In addition, since the heat insulating material is pressed in the width direction from both sides by the fins and the curved portions of the airtight member for roof heat insulating work on which the rafter is fitted, the airtightness between the rafter and the heat insulating material is excellent. .

Further, the airtightness between the rafters and the heat insulating material after the construction does not have a personal difference due to the skill of the worker, and an effect of securing a high level of airtightness is exhibited.

Further, in the present invention, since the airtightness is secured between the airtight member for roof insulation work and the heat insulating material, it is not necessary to consider the airtightness between the rafters and the heat insulating material. Inexpensive materials can be selected.

According to the third aspect of the present invention, the reliability of the airtight performance between the airtight member for roof heat insulation and the heat insulating material is further improved.

According to the fourth aspect of the present invention, an airtight member for roof insulation construction having excellent durability can be obtained.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a state in which a rafter is fitted to an airtight member for roof insulation construction of the present invention and a heat insulating material is attached.

FIG. 2 is a perspective view showing an embodiment of an airtight member for roof insulation construction according to the present invention.

FIG. 3 is a longitudinal sectional view showing an embodiment of an airtight member for roof insulation construction according to the present invention.

FIG. 4 is a perspective view showing another embodiment of the airtight member for roof insulation construction of the present invention.

FIG. 5 is a perspective view showing still another embodiment of the hermetic member for roof insulation construction of the present invention.

FIG. 6 is a longitudinal sectional view showing a relationship between a rafter, a purlin, and an eaves girder.

[Description of Signs] 1 Airtight member for roof insulation work 2 Fins 3 Side plate 4 Bottom plate 5 Flange 6 Rafter 7 Main house 8 eaves 9 Insulation material 10 Airtight member for roof heat insulation work 12 Fin 13 Side plate 14 Bottom plate 15 Flange 20 Roof insulation Airtight member for construction 22 Fin 23 Side plate 24 Bottom plate 25 Flange

Claims (6)

[Claims] 1. An upper part having an opening and having a gutter shape, functioning to fit a rafter, and an elastically deforming part integrally formed on a side thereof, and a bottom plate and a heat insulating material supporting part at a lower part thereof. An airtight member for roof thermal insulation construction with a flange formed integrally. 2. The elastically deformable portion integrally formed on the side is formed integrally with a fin projecting horizontally or obliquely downward from an upright side plate outer surface. An air-tight member for roof insulation construction according to item 1. 3. An elastically deformable portion integrally formed on a side of the fin, wherein a fin projecting outward and obliquely downward from an outer surface of the upright side plate is integrally formed on a top of the side plate. Item 3. An airtight member for roof insulation construction according to item 1 or 2. 4. The elastically deformable portion integrally formed on the side is formed by integrally forming at least one step in the vertical direction on the side plate with a curved portion bulging outwardly in an arc shape. An air-tight member for roof insulation construction according to item 1. 5. The airtight member for roof insulation work according to claim 1, wherein an end of the heat insulating material supporting flange has a curved shape that curves upward. 6. A roof heat-insulating construction airtight member is fixed to at least one of a main building, a purlin, and an eaves girder, and then a heat insulating material is pushed from above into the roof insulation construction airtight member, and the roofs on both sides are fixed. By deforming the elastically deformed portion on the side of the airtight member for heat insulation construction, the restoring force presses the heat insulating material from both sides in the width direction to exert the airtight performance, while the heat insulation formed at the lower part of the airtight member for roof heat insulation construction A roof heat insulation construction method characterized in that a heat insulating material is supported by a material supporting flange.