JP2010150779A - Deck member installation structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a deck member installation structure enabling specific deck members to be partially removed after a deck to be laid out in an outdoor space is laid out, easily installable, and having superior economic efficiency. <P>SOLUTION: This deck member installation structure includes a joist member 6, a fixing device 10 having a pedestal part 42 fixed to the upper part of the joist member 6 and wing parts 44 formed on the pedestal part, and a deck member 8 which is formed of a long plate member, at both sides of which storage recessed parts allowing the wing parts 44 to be interposed therein are formed, respectively, and at both side lower parts of which projections 36 are formed, respectively. The wing parts 44 of the fixing device 10 are interposed in the space 31 formed by both storage recessed parts 30 between the adjacent deck members 8. The projections 36 of both deck members 8 are brought into contact with the pedestal part 42 of the fixing device 10 from both sides. A tool is inserted through the gap 58 between both deck members 8, and a machine screw 11 is screwed into the fixing device 10 to fix the deck members 10 to the upper part of the joist member 6 together with the fixing device 10. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a deck material mounting structure in which a deck material can be partially removed and replaced in a deck laid in an open space or the like.

  Conventionally, when laying a deck in an open space, etc., long plate-like deck materials each provided with grooves on both sides of the long side are arranged side by side and laid on the joists, and in order from the ends of these joists The side of each deck material was fixed with fixing brackets to finish the entire deck. However, in the deck with this mounting structure, if there is damage to a specific deck material near the center, when replacing it, remove all the deck material from the end of the joist to the deck material, and It was necessary to remove the damaged deck material and replace it with a new one.

On the other hand, a deck structure in which only a specific deck material can be partially removed has been proposed. For example, the construction method of the wood deck disclosed in Patent Document 1 uses a deck member 73 whose bottom surface 70 is shorter than the top surface 72 as shown in FIGS. 9 (a) and 9 (b). The collar portion 75 of the fixing tool 74 shown in FIG. 9C is arranged in the slit portion oriented in the longitudinal direction so as to be perpendicular to the longitudinal direction, the fixing tool 74 is fixed with screws 76, and the deck member 73 is fixed. Fix to the joist 78.
From this state, when the screw is loosened and the collar portion 75 of the fixture 74 is rotated 90 degrees, the width of the collar portion 75 of the fixture 74 is shorter than the width (W2) of the bottom surface 70 of the adjacent deck member. Since it is short, there is no need to lock and fix the deck member 73, and only the necessary deck member can be freely removed.

  Further, the floor material fixing device described in Patent Document 2 pulls up this deck material by removing the screw of the fixing tool for fixing a specific deck material arranged at an intermediate position among the deck materials fixed to the joists. The specific deck material can be efficiently and freely removed regardless of the position of the deck material.

  Moreover, the construction method of the wood deck of patent document 3 arrange | positions several deck materials collectively on the upper surface of a joist material, and after that, deck material is used with the fixture which accommodated the nut member in the C-shaped channel part of the joist material. Therefore, when there is a partial damage to the deck material, only the corresponding deck material can be replaced.

JP2008-75348 JP2003-314038 JP 2006-207363 A

  Now, since the construction method of the wood deck of the said patent document 1 is a structure which cancels | releases locking by rotating a collar part 90 degree | times, there exists a problem that lack of stability of a locking state and reliability. Moreover, since the fixing device of the floor material of patent document 2 is a structure which fixes a deck material with a plate-shaped fixing tool, positioning, such as a space | interval of deck materials, is difficult, and the construction method of patent document 3 is the following. There is a problem that it is necessary to use a joist with a special shape provided with a C-shaped channel portion, which is inferior in workability and workability.

  The present invention has been made in order to solve the above problems, and a specific deck material can be partially removed after laying the deck, and the deck material mounting structure is simple in construction and excellent in economy. The purpose is to provide.

  In order to solve the above technical problem, the deck material mounting structure according to the present invention includes, as shown in FIG. 1, a joist material 6 arranged in parallel at a predetermined interval, and an upper portion of the joist material 6. A fixture 10 comprising a pedestal portion 42 to be fixed, and a wing portion 44 formed on the upper portion of the pedestal portion in the horizontal direction, and having a screw hole 49 penetrating vertically through the pedestal portion 42; , Which are made of a long plate juxtaposed between the joists 6, each of which is formed with a storage recess 30 capable of interposing the wing portion 44 of the fixture, and a projecting portion 36 at the lower portion of the both sides. And the wings 44 of the fixture 10 are interposed in the space 31 formed by the storage recesses 30 between the adjacent deck materials 8, and the fixture 10. The above deck material 8 from both sides of the pedestal 42 The protrusions 36 are arranged in contact with each other, a tool is inserted through a gap 58 formed between the upper portions of the deck materials 8, and screws 11 are screwed into the screw holes 49 of the fixture 10. 10, the deck material 8 is fixed to the upper portion of the joist material 6.

  In the deck material mounting structure according to the present invention, a notch recess 26 is formed in each of the lower ends of both side portions of the deck material 8 by notching corner portions, and the vicinity of the lower end portion of the pedestal portion 42 of the fixture 10 and the above A lateral gap 54 is provided between the deck material 8 and the notch recess 26, and the deck material is fixed to the joist material together with the fixture.

  The deck material mounting structure according to the present invention has a lateral gap 56 between the end of the wing portion 44 (45) of the fixture 10 and the side surface of the storage recess 30 provided on the side of the deck material. It is the structure which provided and fixed the said deck material to the said joist material with the said fixing tool.

  The deck material mounting structure according to the present invention is a structure in which a synthetic wood made of synthetic resin is used as a wood powder as the deck material 8 and a plurality of cavities 38, 39, and 40 are formed in the longitudinal direction. .

  According to the deck material mounting structure according to the present invention, the wing portion of the fixture is interposed in the space formed by the storage recesses between the adjacent deck materials, and the deck material from both sides of the base portion of the fixture, respectively. Each projecting part is placed in contact with each other, a tool is inserted from the gap formed between the upper parts of both deck materials, and screws are screwed into the screw holes of the fixing tool. Because it is configured to be fixed at the top, it is possible to easily remove and attach that specific deck simply by loosening the screws of the fixture that fixes the deck material at any location, and it is easy to replace the deck material due to damage etc. It can be performed quickly, has a simple structure, and is excellent in workability and economy.

  According to the deck material mounting structure according to the present invention, the notch recess 26 is formed in the lower end portion of the deck material, and the lateral gap 54 is formed between the vicinity of the lower end portion of the base portion of the fixture and the notch recess of the deck material. When the deck material 8 is tilted when the deck material 8 is tilted when the deck material is tilted, the lower end portion of the deck material (part of the notch recess 26) is a joist. Since it does not hit the top surface of the material, the deck material can be easily rotated, and the lower end of the deck material and the vicinity of the lower end of the pedestal are not contacted by the gap 54, so that the deck material and the fixture are engaged. Can be easily released and work can be performed easily.

  According to the deck material mounting structure of the present invention, the deck material is fixed by providing a lateral gap 56 between the end of the wing portion 45 of the fixture and the side surface of the storage recess 30 of the deck material. Therefore, when removing a specific deck material, the end of the wing 45 of the fixture does not hit the side surface of the storage recess 30 of the deck material due to the gap 56, so that the engagement between the deck material and the fixture is easily released. This has the effect of making the work easier.

  According to the deck material mounting structure according to the present invention, as the deck material, synthetic wood made of synthetic resin is used as the wood powder, and a plurality of hollow portions are formed in the longitudinal direction. It is easy to process and has excellent weather resistance.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a deck material mounting structure according to the present invention will be described with reference to the drawings.
FIG. 1 shows the deck material mounting structure. This deck material mounting structure includes a support leg 4 disposed on the slab surface 2, a joist member 6 supported by the support leg, a deck member 8 laid on the upper part of the joist member 6, and the deck member 8 as a joist. It has the fixture 10 fixed to the upper part of a material.

  The support leg 4 includes a steel support bolt 14 having a washer 12 screwed in the vicinity of a lower portion thereof, a steel disk-shaped receiving tool 16 that is screwed to an upper portion of the support bolt 14 and can be adjusted in height, and the receiver. A vibration isolating rubber 20 provided on the upper portion of the tool 16 is provided. A nut 18 is fixed to the lower portion of the central hole of the receiver 16, and the receiver 16 is screwed onto the support bolt 14. The joist member 6 is fixed to the upper portion of the support 16 with screws from the upper surface of the flange portion 24. The joist 6 is a long steel member having a cross-sectional hat shape having an upper surface portion 22, side surface portions 23 and 23, and flange portions 24 and 24.

  As shown in FIG. 2, the deck material 8 is made of a long plate material laid between the joist members 6, and a notch concave portion 26 having a corner portion cut into a concave shape is formed at the lower ends of both side portions on the long side. A chamfered portion 28 is formed at the upper end portions of both side portions, and each corner portion is cut into a slope shape.

In addition, a storage recess 30 that is recessed in a concave shape over the half of the thickness of each side portion is formed at the center of both side portions on the long side of the deck material 8. The storage recess 30 includes an upper surface portion 32, a side surface portion 33, and a lower surface portion 34. These surfaces are flat and the corners formed by the surface portions are rounded.
In association with the storage recess 30 formed on the side of the deck material 8, a protrusion 36 is formed at the bottom of the side and a second protrusion 37 is formed at the top.

  The deck material 8 has six hollow portions in the longitudinal direction. As these cavities, horizontally long rectangular cavities 38, 38 on the left and right of the central portion of the cross section of the deck material 8, vertically rectangular cavities 39, 39 on the outer side, and left and right end portions In the vicinity, cavity portions 40, 40 each having a horizontally long rectangular shape are formed. These hollow portions are intended to reduce the weight and resource saving of the deck material 8.

  Further, the cross section of the deck material 8 has a symmetrical shape. For this reason, the deck material 8 has no distinction between left and right, and can be used with the right and left side surfaces reversed as appropriate, for example, at the work site.

  The deck material 8 uses artificial timber (regenerated wood) in consideration of workability and weather resistance, but natural wood can also be used. The artificial wood is made of wood powder and pigment mixed with a synthetic resin such as polyethylene resin (or polypropylene resin) and processed into a plate shape, and is a material excellent in durability and adapted to bare foot walking. As the above-mentioned natural wood, hard wood such as Manilkara, Jara, Ipe, Selangan Batu is suitable and can withstand long-term outdoor use.

  The fixture 10 is used by cutting an extruded product of an aluminum alloy. In addition, a metal such as a stainless steel or a synthetic resin material is used. As shown in FIG. 3, the fixture 10 includes a pedestal portion 42 fixed to the upper portion of the joist member 6, a wing portion 44 formed laterally from the upper portion of the pedestal portion 42 to the left and right sides, and one of the wing portions 44. It has a presser wing portion 46 that is vertically formed from an end portion on the side (left side in the figure). The other side (right side in the figure) of the wing portion 44 has a shape in which a piece-like wing portion 45 whose end portion is bent slightly upward is formed. The wing portion 44 is formed such that the length from the center portion of the pedestal portion 42 to the end portion of the wing portion 45 (laterally) is shorter than the length to the end portion of the presser wing portion 46. ing. A plurality of small protrusions 47 are formed on the lower surface portion of the wing portion 44.

The pedestal portion 42 of the fixture 10 includes a base 48 standing at the center, a first projecting piece 50 formed on one side (left side in the drawing) of the lower end of the base 48, and the other side (right side in the drawing). The second projecting piece 51 is formed, and the second projecting piece 51 is formed so as to protrude shorter than the first projecting piece 50.
For this reason, the holding recess 52 is formed in the fixture 10 by the first projecting piece 50, the base 48 and the wing part 44 of the pedestal part 42, and the second projecting piece 51, the base part 48 and the wing part of the pedestal part 42 are formed. 44 (45) and a holding recess 53 is formed. Further, at the center of the pedestal portion 42, two screw holes 49 penetrating vertically through the wing portion 44 are formed at predetermined intervals. The screw 11 used here is capable of self-drilling and is screwed into the joist member 6 while making a hole by itself.

  Here, the attachment method in the case of laying the deck which concerns on the attachment structure of the deck material shown in FIG. 1 in an open space, a garden, etc. is demonstrated. First, a hole for standing the support leg 4 is drilled at a predetermined position of the slab surface 2 such as concrete using a tool. And the support bolt 14 of the support leg 4 is embed | buried in each said hole, the washer 12 is adjusted to the position of the slab surface 2, and the support bolt 14 is fixed. Further, the height of the support 16 is adjusted by operating the nut 18 of the support leg 4 or the like.

After the support legs 4 are erected, the joists 6 are installed between the support legs 4, and the flanges of the joists 6 are placed on the anti-vibration rubber 20 provided on the support 16 of the support legs 4. The parts 24 and 24 are placed. Then, the flange portions 24, 24 of the joist 6 are fixed to the receiver 16 using a fastener such as a screw 11. The joists 6 are arranged in parallel with each other at a predetermined interval.
Next, the deck material 8 is arranged in the direction perpendicular to the upper part of the arranged joist material 6. Then, as shown in FIG. 4, the deck material 8 is fixed to the joist material 6 using the fixing tool 10.

  FIG. 5 shows a state in which the deck material 8 is fixed by using the fixing tool 10. In this way, the deck material 8 is pressed from both sides of the fixture 10, and the protruding portion 36 on one side of the deck material 8 is fitted into the holding recess 52 on one side of the fixture 10, while the holding recess 53 on the other side. The projecting portion 36 on the side portion of the other deck material 8 is fitted into this. As a result, both protrusions 36 abut against the base 48 of the fixture 10, and the protrusions 36 are held in the holding recesses 52 and 53, respectively, so that the deck material 8 is prevented from moving up and down, and the opposite side is also provided. The right and left movement of the deck material 8 together with the fixture 10 arranged in the section is prevented. The wing portion 44 of the fixture 10 is stored in the space portion 31 formed by the storage recesses 30, 30 between the deck materials 8. The presser wing portion 46 of the fixture 10 presses the side surface portion 33 of the storage recess 30 of the deck material 8 to prevent the movement and fluctuation of the deck material 8.

  In addition, a gap 58 is formed between the upper second protrusions 37 and 37 between the adjacent deck materials 8, and a gap 59 having the same width is also formed between the lower protrusions 36 and 36. It is formed. The widths of the gaps 58 and 59 are intervals corresponding to the width (here, 6 mm) of the base 48 of the fixture 10. Thus, the gaps 58 and 59 having a constant width can be formed between the deck members 8 by the base portion 48 (lateral width) of the base portion 42 of the fixture 10.

  Then, the rotation is made from the upper gap 58 between the deck materials 8 with the fixture 10 and the screw 11 interposed in the space portion 31 formed by the storage recesses 30, 30 between the deck materials 8 and the gap 59. A tool (driver or the like) is inserted, and the screw 11 is screwed into the upper surface portion 22 of the joist member 6 to fix the fixture 10. As a result, in the deck materials 8, the protrusions 36 are held in the holding recesses 52 and 53 of the fixture 10, and in this state, the protrusions 36 and 36 are pressed and fixed by the wings 44 of the fixture 10. . Thus, the deck material 8 is fixed to the joist material 6 together with the fixing tool 10.

At this time, as shown in FIG. 5, the second protrusion 51 of the fixture 10 is slightly inserted into the notch recess 26 provided at the lower end of the deck material 8, but a gap 54 is formed between them. ing. In addition, a gap 56 is also formed between the end of the piece-like wing 45 of the fixture 10 and the side surface 33 of the storage recess 30 of the deck material 8.
When the deck material 8 is rotated and detached, the lower end portion of the deck material 8 is rounded by the notch recess 26, so that the lower end portion of the deck material 8 may abut against the upper surface portion 22 of the joist material 6. Therefore, it can be rotated easily.
The gap 54 facilitates the rotation of the deck material 8 so that the portions of the deck material 8 and the fixture 10 do not hit each other when the deck material 8 is detached. As for the gap 56, when the deck material 8 is rotated and removed, the deck material 8 is easily removed by preventing the portions from hitting each other.

  In laying the deck material 8, the screw 11 can be screwed to the fixture 10 using the gap 58 between the deck materials 8, so that the deck material 8 starts laying from an arbitrary position on the joist material 6. can do. Further, a plurality of deck materials 8 are arranged side by side on the joist material 6, and the fixing tool 10 is interposed in a space portion 31 formed by the storage recesses 30, 30 between the deck materials 8, so that each deck material 8 is disposed. In a state where they are close to each other (in a state where they cannot move), a tool is inserted from the gap 58 between the deck materials 8 and screws 11 are screwed one after another to fix the deck material 8 together with the fixture 10. Also good.

  When laying the deck material 8 in order from the specific part of the joist members 6 arranged side by side, first, the fixing members 10 are attached to the end portions in a row to hold the deck material 8, and the fixing device 10 is interposed between this and the other deck materials 8. Then, the protruding portion 36 of the deck material 8 is fitted and held in one holding recess 52 (53) of the fixture 10 with the screw 11 interposed. Then, the other deck material 8 is pressed from the opposite side of the fixture 10, and the protruding portion 36 is fitted and held in the other holding recess 53 (52) of the fixture 10. A rotary tool is inserted from 58 and the screw 11 is screwed into the screw hole 49 of the fixture 10, and the deck material 8 is fixed to the upper surface portion 22 of the joist 6 together with the fixture 10. The screw 11 may be inserted from the gap 58 when operating the rotary tool.

  Similarly, the deck material 8 is sequentially fixed to the upper part of the joist material 6 using the fixing tool 10. As a result, the protrusions 36 of each deck material 8 are held and pressed and fixed by the fixture 10, the gaps 58 and 59 are formed between the deck materials 8, and each deck material 8 and the fixture 10 The gap 54 and the gap 56 are formed between them.

  When other deck materials 8 are connected in the longitudinal direction of the deck material 8, the deck materials 8 are arranged so that the end portions of the deck materials 8 are positioned above the joist material 6. Thereby, the said fixing tool 10 can be interposed ranging over these deck materials 8, and the edge part of both the deck materials 8 can be fixed simultaneously. Thereafter, the entire deck is laid in the same manner as described above.

About the method of detaching and replacing the deck material 8 when some of the deck materials 8 are damaged or fallen objects such as coins are generated while the deck is in use, and the deck material 8 needs to be removed. explain.
In this case, as shown in FIG. 6A, a rotary tool is inserted through a gap 58 between the deck material 8 to be attached / detached and another deck material 8 adjacent thereto, and the fixture 10 is screwed. The screw 11 is loosened to release the fixing by the fixing tool 10. The screws 11 are also loosened in the same manner for the fixtures 10 at other portions of the same deck material 8.

  Then, as shown in FIGS. 6B and 6C, the side portions of the deck materials 8 at the site where the screws 11 are loosened are lifted together with the fixture 10 (as shown in (1) and (2)). Each deck material 8 is rotated to open a gap between both deck materials 8 and remove either (or both) deck materials 8. At this time, since the lower end portion of the deck material 8 is rounded by the notch recess 26, the lower end portion of the deck material 8 does not hit the upper surface portion 22 of the joist material 6.

Further, since a gap 54 is provided between the deck material 8 and the fixture 10, the ends of the deck material 8 and the fixture 10 lifted together (the second projecting piece 51 of the fixture 10 and the deck). The lower end portion of the material 8 (in the vicinity of the notch recess 26) does not hit, the engagement between the deck material 8 and the fixture 10 is easily released, and the deck material 8 rotates easily, so that the removal can be easily performed.
Further, the wing portion 45 of the fixture 10 is rotated when the deck material 8 is rotated by the gap 56 provided between the end portion of the wing portion 45 of the fixture 10 and the side surface portion 33 of the storage recess 30 of the deck material 8. Therefore, the deck material 8 can be easily rotated and removed easily.

Next, as shown in FIGS. 7A and 7B, a new deck material 8 is placed at the place where the deck material 8 is removed, and this deck material 8 and another deck (one side portion is not fixed). A fixture 10 and a screw 11 are interposed between the material 8. Then, as shown in FIGS. 7 (b) and 7 (c), the deck material 8 is slightly lifted together (as shown in (1) and (2)) so that each deck material 8 is inclined. While the protruding portion 36 of one deck material 8 is fitted in the holding recess 52 (53) of the fixture 10, both deck materials 8 are rotated and lowered to the position of the joist material 6.
When the new deck material 8 is attached, the deck material 8 can be easily rotated by the notch recess 26 and the gaps 56 and 58 as in the case of the above detachment.

  In this state, the protruding portion 36 of the new deck material 8 is fitted into one holding recess 52 of the fixture 10, and the protruding portion 36 of the other deck material 8 is fitted into the other holding recess 53 of the fixture 10. The members are in close contact with each other. Then, a rotating tool is inserted from the upper gap 58 between the deck materials 8 and screws 11 are screwed to fix the new deck material 8.

  5 and 8 show a case where the fall prevention plate 60 is disposed in the space portion 31 (joint portion) between the deck materials 8 in the deck. In the deck, rainwater is drained to the slab surface 2 by the gaps 58 and 59 between the deck materials 8, but coins or dust may fall on the slab surface 2 by these gaps 58 and 59. The fall prevention plate 60 closes the lower gap 59 between the deck members 8 to prevent coins and the like from falling.

The fall prevention plate 60 is a long plate-like material, and both end portions of the cross section are bent upward. For this reason, the fall prevention plate 60 also functions as a rainwater flow path. Moreover, the hole part 62 is formed in the center part of the cross section at regular intervals in the longitudinal direction.
The fall prevention plate 60 is fitted into the space portion 31 through the gap 58 between the deck materials 8. Then, as shown in FIG. 8 (a), after dropping the fall prevention plate 60 onto the upper part of the fixture 10 in the space 31 between the deck members 8, it was first installed as shown in FIG. 8 (b). Slide to a predetermined position near the fall prevention plate 60. At this time, the hole 62 provided in the fall prevention plate 60 is arranged at a position where the head of the screw 11 of each fixture 10 protrudes from here. Further, the fall prevention plates 60 are arranged with a little space for drainage of rainwater or the like, and drainage is performed from the gap 59 between the deck members 8.

  Therefore, according to the above-mentioned embodiment, since only the specific deck material can be easily detached by simply loosening the screw of the fixing tool for fixing the deck material, it is damaged. The deck material can be exchanged easily and quickly, and the structure is simple, making it easy to work and economical. When the deck material is removed, the engagement between the deck material and the fixture is easily released. Has the effect that can be done easily. In addition, since the gap is provided between the fixture and the deck material, when the deck material is removed, there is an effect that the engagement between the deck material and the fixture is easily released and the work can be performed easily.

It is a figure which shows the deck material attachment structure which concerns on embodiment of this invention. It is a perspective view of the deck material which concerns on embodiment. (A) is a figure which shows a fixing tool in connection with embodiment, (b) is a figure which shows AA cross section, (c) is a figure which shows BB cross section. It is an exploded view which shows the attachment state of the deck material and fixture which concern on embodiment. It is a figure which shows the attachment structure of the deck material and fixing tool which concern on embodiment. It is a figure (a) (b) (c) which shows a state concerning an embodiment and attaching and removing a part of deck materials. It is a figure (a) (b) (c) which shows a state concerning an embodiment and attaching a part of deck material newly. It is a figure (a) (b) which shows a state concerning an embodiment and arranging a fall prevention board between decks. It is figure (a) (b) (c) which shows the deck structure concerning a prior art example.

Explanation of symbols

4 Support leg 6 joist material 8 deck material 10 fixing tool 11 screw 26 notch recess 30 storage recess 31 space portion 36 projecting portion 38, 39, 40 cavity portion 42 pedestal portion 44, 45 wing portion 49 screw hole 54, 56, 58 clearance

Claims (4)

Joists arranged in parallel at a predetermined interval;
A fixing tool comprising a pedestal portion fixed to the upper portion of the joist and a wing portion formed in the left-right direction at the upper portion of the pedestal portion, and having a screw hole penetrating vertically through the pedestal portion. When,
It is made of a long plate juxtaposed between the joists, and storage recesses are formed on both sides so that the wings of the fixture can be interposed, and protrusions are formed on the lower portions of both sides. Deck material,
The wing portion of the fixture is interposed in the space formed by the storage recesses between the adjacent deck materials, and the protrusions of the deck material are brought into contact with the base portion of the fixture from both sides. Arranged and screwed a screw into the screw hole of the fixture by inserting a tool from the gap formed between the upper portions of the deck materials, and the deck material was fixed to the upper portion of the joist material together with the fixture. Deck material mounting structure characterized by   A notch recess having a corner cut out is formed at the lower end of each side of the deck material, and a lateral gap is provided between the vicinity of the lower end of the base portion of the fixture and the notch recess of the deck material. The deck material mounting structure according to claim 1, wherein the deck material is fixed to the joist with the fixture.   A lateral gap is provided between an end portion of the wing portion of the fixture and a side surface of a storage recess provided in a side portion of the deck material, and the deck material is fixed to the joist material together with the fixture. The deck material mounting structure according to claim 1 or 2, wherein   4. The deck material mounting structure according to claim 1, wherein synthetic wood made of synthetic resin as a raw material is used as the deck material, and a plurality of hollow portions are formed in a longitudinal direction. .

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