Detail english 2015-11-12

∂ 2015 ¥ 6 Documentation 577
a
b
c
d
Exploded drawing showing the four layers of
the roof construction:
a sprayed polyurethane foam
thermal insulation
b slits/formwork for
injecting foamed insulation
c sheet-steel strips with
fixing strips
d roof structure: nine
prefabricated elements
Vertical section
scale 1:20
1 5 mm welded steel eaves plate
2 1.5 mm sheet-steel gutter
5≈ bent to shape, secured with
fixing strips
3 liquid seal with inlay mat
40–600 mm polyurethane sprayed-foam
thermal insulation with formwork strips
for accurate foaming
12 mm fibre-cement sheeting
vapour barrier
1.5 mm sheet-steel strips
290 mm wide, twice bent and
secured
with fixing strips
steel beam:
2≈ 5 mm sheet steel point-welded
through openings to
10 mm distance pieces
(welding ground smooth),
painted white
4 steel beam:
2≈ 5 mm sheet steel with
50 mm mineral-wool insulation
between
5 16 mm laminated safety glass with
sound-insulating foil
6 steel beam:
2≈ 5 mm sheet steel with
50 mm aerogel thermal insulation
between
7 double glazing in steel frame
8 triple sunscreen glazing in
steel sliding door
9 steel Å-section column
160 mm deep with
120/50 mm inserted steel RHS
rainwater pipe
10 19 mm oak floor boarding on
4 mm levelling layer
18 mm gypsum-fibreboard
dry screed
25 mm underfloor heating layer
24 mm impact-sound insulation
20 mm oriented-strand board
60/160 mm squared timbers with
160 mm mineral-wool thermal insulation
between
bituminous sealing layer
elevated steel Å-beam grid
160 mm deep
with 160 mm polystyrene rigid-foam
thermal insulation between