JP2009179972A - Roof structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof structure which can be constructed without being placed on a heat shielding sheet material, and which enables an air space to be formed between a sheathing roof board and the heat shielding sheet material with a glossy undersurface. <P>SOLUTION: In this roof structure, a plurality of crosspieces 5 are arranged in parallel with one another at predetermined spacings toward a ridge side of the sheathing roof board 2 from an eaves side thereof on the sheathing roof board 2, and a tile 6 is laid via the heat shielding sheet material 8. The heat shielding sheet material 8 is composed of a plurality of sheet portions 9 with a predetermined length and a predetermined width dimension, and the plurality of sheet portions 9 are arranged in such a manner as to be laid among top surface portions of the crosspieces 5, respectively. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a roof structure, and more particularly to a technique that can effectively prevent an increase in the temperature of an attic by simple construction.

  Houses have tiles installed on top of the field board, but there is a problem that heat is transmitted to the attic through the tiles and the field board due to the radiant heat from the sun, and various measures against heat have been taken. Has been.

As one of countermeasures, a technique using a heat shielding sheet material such as a heat shielding sheet, an aluminum vapor-deposited sheet, and an aluminum foil on a base plate (for example, see Patent Document 1) is known.
JP 2005-061146 A

  However, in the past, the construction was carried out by pulling the sheet with the glossy surface of the heat shielding sheet over the entire surface of the base plate. At the time of construction, workers had to work on the heat-insulating sheet material, so slipping and strong glare became a problem.

  In addition, since the reflection surface is on the top, the reflection effect is reduced due to dust, dirt, oxidation by rainwater, and the like. There were also problems such as lack of moisture permeability.

  For this reason, when the luster of the heat shield sheet is directed downward, it is necessary to have an air layer between the heat shield sheet and the base plate in order to obtain a heat shield effect.

  The present invention has been made paying attention to the above circumstances, and the purpose thereof is to enable construction without being placed on a heat shielding sheet material, and a field plate and a heat shielding sheet material. Another object of the present invention is to provide a roof structure that can form an air layer therebetween.

  In order to solve the above-mentioned problem, the invention according to claim 1 is provided with a plurality of piers in parallel with a predetermined interval from the eaves side toward the ridge side on the base plate, and for heat insulation. In a roof structure in which tiles are installed via a sheet material, the heat-insulating sheet material is composed of a plurality of sheet portions having a predetermined length and width dimension, and the plurality of sheet portions are the piers. It is characterized by being arranged so as to be spanned between the upper surface portions.

  According to the present invention, by providing an air layer between the base plate and the glossy surface of the heat shielding sheet material facing downward, the radiant heat is reduced and the heat shielding effect is maintained over a long period of time. By ventilating the base plate, it is possible to secure moisture discharge, and safe and simple construction is possible.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a longitudinal sectional view showing a roof structure 1 according to a first embodiment of the present invention.

  The roof structure 1 includes a field board 2, and a waterproof sheet 3 is laid on the field board 2, and a plurality of piers 5 (hereinafter referred to as 5 a and 5 b) in parallel with a predetermined interval in the building direction. May be referred to). A plurality of roof tiles 6 (hereinafter also referred to as 6a and 6b) are installed on the field board 2 along the direction of the ridge and the direction perpendicular to the direction of the ridge. The roof tiles 6 are attached with their ridge side ends locked to the piers 5 respectively. Further, a heat shielding sheet material 8 such as a heat shielding sheet, an aluminum vapor deposition sheet, or an aluminum foil is interposed between the base plate 2 and the plurality of roof tiles 6.

  The heat shielding sheet 8 is composed of a plurality of strip-shaped sheet portions 9 (hereinafter also referred to as 9a to 9c) having a predetermined length and width, and the plurality of sheet portions 9 are adjacent to each other. It is spanned between the upper surface parts of the matching piers 5 respectively. As described above, the air sheets 11 are formed between the plurality of sheet portions 9 and the field plate 2 by respectively laying the plurality of sheet portions 9 between the upper surface portions of the adjacent piers 5. .

  On the other hand, a protruding portion 14 is projected from the ridge side end of the roof tile 6, and a binding material 12 such as a nail or a screw is inserted into the protruding portion 14 and driven into the pier 5 or screwed. 6 is fixed. Further, a locking tool 13 is provided on the upper surface of the convex portion 14 of the roof tile 6, and the locking tool 13 is fixed to the convex portion 14 by the binding material 12.

  As shown in FIG. 3, the locking device 13 includes a base portion 13 a and a triangular tip protrusion portion 13 b that is integrally formed on the tip end side of the base portion 13 a and is bent obliquely upward. Configured. As shown in FIG. 2, each sheet portion 9 of the heat shielding sheet material 8 is locked to the tip protrusion 13 b of the locking tool 13 as shown in FIG. 2.

  In addition, as the locking tool 13, as shown to Fig.4 (a)-(c), you may make it form the constriction part 13c in the front-end | tip protrusion part 13b. According to this, the locking force of the locking tool 13 can be further increased, and the seat portion 9 can be reliably prevented from coming off.

  Further, as shown in FIG. 5, a bent piece portion 13d that is bent at a right angle downward is integrally formed on the rear end side of the base portion 13a of the locking tool 13, and the lower end of the bent piece portion 13d is formed. The part may be positioned in contact with the roof tile 6. According to this, it becomes possible to attach in a predetermined direction without changing the direction of the locking tool 13 when the locking tool 13 is fixed by the binding material 12.

  Further, as shown in FIGS. 6A and 6B, the tip protrusion 13b of the locking tool 13 may be formed vertically without being inclined. According to this, for example, as shown in FIG. 7, the seat portion 9 can be locked even if the locking tool 13 is attached without aligning the position of the tip protrusion 13 b of the locking tool 13. Easy to install. However, it is necessary to prevent the sheet portion 9 from coming off by bending the tip protrusion 13b of the locking tool 13 after the sheet portion 9 is locked.

  Next, the attachment method of each sheet | seat part 9 and the roof tile 6 of the sheet material 8 for heat insulation mentioned above is demonstrated.

  First, as shown in FIG. 1, a sheet portion 9a is bridged between a top wall (not shown) located on the most eave side and an upper surface of an upper pier 5a adjacent to this pier, and then the ridge side end of the roof tile 6a. Is fixed to the pier 5a, the base portion 13a of the locking tool 13 is placed on the upper surface of the convex portion 14, and the binding material 12 is attached to the hole 13e (shown in FIG. 3) and the hole of the convex portion 14. The roof tile 6a is fixed to the pier 5a by being inserted and driven into the pier 5a or screwed, and the locking tool 13 is fixed to the convex portion 14 of the roof tile 6. A plurality of tiles 6a are provided in a horizontal row along the longitudinal direction of the pier 5a, and are fixed together with the locking tool 13 in the same manner as described above.

  In this way, after a plurality of tiles 6a are installed in the horizontal direction along the longitudinal direction of the pier 5a, the eaves side of the sheet portion 9b is put on the ridge side end portions of these tiles 6a as shown in FIG. As shown, the front end protrusion 13b of the locking tool 13 is locked, and the ridge side of the sheet portion 9b is placed on the upper surface of the adjacent upper pier 5b. After that, the ridge side end of the roof tile 6b is locked to the pier 5b, and the eaves side end is overlapped with the upper surface of the ridge side end of the roof tile 6a that has already been installed. Next, in the same manner as described above, the ridge side end of the roof tile 6b is fixed to the crosspiece 5b by the binding material 12, and the locking tool 13 is fixed to the convex portion 14 of the roof tile 6b. A plurality of tiles 6b are also provided in a horizontal row along the longitudinal direction of the pier 5b. Thereafter, in the same manner, the sheet portion 9 and the roof tile 6 are arranged on the entire surface of the field board 2 to finish the installation.

  As described above, according to this embodiment, the heat shielding sheet material 8 is constituted by a plurality of strip-shaped sheet portions 9 having a predetermined length and width dimension, and the plurality of sheet portions 9 are Since it is spanned and fixed between the upper surface portions of the adjacent piers 5, it is possible to construct without seating on the seat portion 9, and between the plurality of seat portions 9 and the base plate 2. Each of the air layers 11 can be formed.

  Accordingly, the radiant heat from above can be reflected by each sheet portion 9 of the heat shielding sheet material 8 and can also be shielded by the air layer 11, thereby suppressing an increase in the temperature of the attic, and from the base plate 2. Can also be exhausted through the air layer 11.

  FIG. 8 is a graph showing the heat shielding effect of the roof structure of this embodiment in comparison with the conventional roof structure.

  This graph shows the temperature change of the attic in one day. In FIG. 8, the a line shows the temperature change in this embodiment, and the b line shows the temperature change of the conventional structure. In addition, the c line in FIG. 8 shows the temperature change of external air.

  As can be seen from this graph, according to this embodiment, the temperature increase of the attic in the daytime can be significantly reduced as compared with the conventional structure.

  Moreover, in this embodiment, since the ridge side of each sheet part 9 of the heat shielding sheet material 8 is fixed to the pier 5 by the binding material 12, the sheet part 9 may hang down or fall after construction. Absent.

  Furthermore, since the eaves side of each sheet portion 9 of the heat shielding sheet material 8 is locked to the tip protrusion 13b of the locking tool 13, the sheet portion 9 can be temporarily fixed and workability can be improved. It can be improved.

  In this embodiment, the eaves side of each sheet portion 9 is locked to the locking tool 13, but it may be bonded using butyl tape or the like instead of the locking tool 13.

  9 and 10 show a roof structure according to the second embodiment of the present invention.

  In addition, the same code | symbol is attached | subjected to the same function part as the part shown in 1st Embodiment, and the detailed description is abbreviate | omitted.

  In this 2nd Embodiment, the crosspiece 15 is formed in cross-sectional L shape so that it may have a level | step difference, and has a high level surface part and a low level surface part.

  The seat portion 9a is spanned between the berths so that the eave side is located on the lower surface portion of the pier (not shown) located closest to the eave side and the ridge side is located on the upper surface portion of the adjacent upper pier 15a. It is. The seat portion 9b is spanned between the piers so that the eaves side is located on the lower surface portion of the pier 15a and the ridge side is located on the higher surface portion of the pier 15b. The seat portion 9c is stretched between the berths so that the eaves side is positioned on the lower surface portion of the pier 15b and the ridge side is positioned on the higher surface portion of the adjacent upper pier (not shown). The eaves side and the ridge side of the seat portion 9 are fixed to the pier 15 by needles 17 respectively.

  Also according to the second embodiment, it is possible to obtain the same operational effects as those of the first embodiment.

  11 and 12 show a roof structure according to a third embodiment of the present invention.

  In addition, the same code | symbol is attached | subjected to the same function part as the part shown in 1st Embodiment, and the detailed description is abbreviate | omitted.

  In this 3rd Embodiment, the crosspiece 20 is formed in cross-sectional concave shape, and the ridge side edge part of the roof tiles 6a and 6b is engaged and positioned in the recessed part 20a. The eaves side and the ridge side of the sheet portions 9 a to 9 c for heat shielding are respectively positioned on the upper surface portion of the pier 20 and fixed by the needles 17.

  Also according to the third embodiment, the same effect as that of the first embodiment can be obtained.

  13 and 14 show a roof structure according to the fourth embodiment of the present invention.

  In addition, the same code | symbol is attached | subjected to the same function part as the part shown in 1st Embodiment, and the detailed description is abbreviate | omitted.

  In the first embodiment, each sheet portion 9 of the heat shielding sheet material 8 is disposed along the longitudinal direction of the pier 5, but in the fourth embodiment, the heat shielding sheet material. Eight sheet portions 9 are arranged along a direction orthogonal to the longitudinal direction of the pier 5, that is, along the eaves ridge direction.

  Also according to the fourth embodiment, the same effect as that of the first embodiment can be obtained.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, you may delete some components from all the components shown by embodiment mentioned above. Furthermore, you may combine the component covering different embodiment suitably.

The longitudinal cross-sectional view which shows the roof structure which concerns on the 1st Embodiment of this invention. The perspective view which shows the attachment state of the sheet | seat part for heat insulation of the roof structure of FIG. The top view which shows the latching tool which latches the sheet | seat part of FIG. The top view which shows the other example of the locking tool which latches the sheet | seat part of FIG. The perspective view which shows the other example of the latching tool which latches the sheet | seat part of FIG. The perspective view which shows the further another example of the latching tool which latches the sheet | seat part of FIG. The perspective view which shows the state which latched the sheet | seat part using the locking tool of FIG. The graph which shows the temperature change of the attic of the attic of the roof structure of FIG. 1 compared with the past. The longitudinal cross-sectional view which shows the roof structure which is the 2nd Embodiment of this invention. The figure which shows the attachment state of the sheet | seat part for heat insulation of FIG. The longitudinal cross-sectional view which shows the roof structure which is the 3rd Embodiment of this invention. The figure which shows the attachment state of the sheet | seat part for heat insulation of FIG. The top view which shows the roof structure which is the 4th Embodiment of this invention. The perspective view which shows the roof structure of FIG.

Explanation of symbols

  2 ... Field plate 5, 15, 20 ... pier, 6 ... tile, 8 ... heat insulating sheet material, 9 ... multiple sheets, 12 ... nail (fixing tool), 13 ... locking tool, 20a ... Recessed pier.

Claims (6)

In the roof structure where a plurality of piers are arranged in parallel with a predetermined interval from the eave side to the ridge side on the field board, and tiles are installed via a sheet material for heat shielding,
The sheet material for heat shielding is composed of a plurality of sheet portions having a predetermined length and width dimension,
The roof structure, wherein the plurality of sheet portions are respectively arranged so as to be spanned between upper surface portions of the pier.   The roof structure according to claim 1, wherein an end of the ridge is fixed to the pier by a fixing tool.   The roof structure according to claim 2, further comprising a locking tool that is fixed to the ridge side end of the tile by the fixing tool and locks the eave side of the seat portion.   The roof structure according to claim 1, wherein the sheet portion is formed in a belt shape and is disposed along the longitudinal direction between upper surface portions of adjacent piers. The crosspiece is formed in a concave cross section,
The roof structure according to claim 4, wherein the roof tile is attached with its ridge side end engaged in the recess of the pier.   The roof structure according to claim 1, wherein the sheet portion is formed in a belt shape and is disposed between the upper surface portions of a plurality of piers along a direction orthogonal to the longitudinal direction thereof.

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