Building wall and building wall construction method
A building wall is provided with at least an underlay face member and an overlay face member, the underlay face member directly or indirectly connected to a stud, the overlay face member being an indoor-facing member and connected to the underlay face member, wherein the overlay face member is connected to the underlay face member via at least an adhesive, and wherein a coating amount of the adhesive is less than 100 g/m 2 .
1 . A building wall provided with at least an underlay face member and an overlay face member, the underlay face member directly or indirectly connected to a stud, the overlay face member being an indoor-facing member and connected to the underlay face member,
wherein the overlay face member is connected to the underlay face member via at least one of: an adhesive with purity of from 34% to 38%, inclusive and a first fastener, and
wherein a coating amount of the adhesive is less than 100 g/m 2 as is and not in solid content equivalent in a case of the adhesive, and a number of fasteners of the first fastener is 7.2 fasteners/m 2 to 32.7 fasteners/m 2 , inclusive, in a case of the first fastener.
2 . The building wall according to claim 1 ,
wherein the underlay face member is connected to the stud via a second fastener, and
wherein a number of fasteners of the second fastener is less than 5.0 fasteners/m.
3 . The building wall according to claim 1 , further provided with an additional face member, the additional face member connected to the stud, the underlay face member connected to the additional face member,
wherein the underlay face member is connected to the additional face member via a third fastener,
wherein the additional face member is connected to the stud via a second fastener, and
wherein a number of fasteners of the second fastener is less than 5.0 fasteners/m.
4 . The building wall according to claim 1 , wherein, the building wall is configured such that, during a fire, the underlay face member located on a side of the fire deforms relatively greatly as compared to the overlay face member, and an air layer is formed between the underlay face member and the overlay face member in a partial region thereof, in a state where the overlay face member does not fall off from the underlay face member.
5 . A method of constructing a building wall provided with at least an underlay face member and an overlay face member, the underlay face member directly or indirectly connected to a stud, the overlay face member being an indoor-facing member and connected to the underlay face member, the method comprising:
connecting the underlay face member to the stud directly or indirectly; and
connecting the overlay face member to the underlay face member via at least one of: an adhesive with purity of from 34% to 38%, inclusive and a first fastener,
wherein a coating amount of the adhesive is set to be less than 100 g/m 2 as is and not in solid content equivalent in a case of the adhesive, and a number of fasteners of the first fastener is set to be 7.2 fasteners/m 2 to 32.7 fasteners/m 2 , inclusive, in a case of the first fastener.
6 . The method of constructing a building wall according to claim 5 , the method further comprising:
connecting the underlay face member to the stud via a second fastener,
wherein a number of fasteners of the second fastener is set to be less than 5.0 fasteners/m.
7 . The method of constructing a building wall according to claim 5 further provided with an additional face member, the additional face member connected to the stud, the method comprising:
connecting the additional face member to the stud via a second fastener; and
connecting the underlay face member to the additional face member via a third fastener,
wherein a number of fasteners of the second fastener is set to be less than 5.0 fasteners/m.