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Supplementary Details​
b
c
d
f
g
e
a
a
1

1.Roof gutter

Wood nailers

Sheet metal capping

c Gutter, 100 x 100mm

Vapour barrier

e Insulation wrapping gutter

Metal capping

Blocking

2.Window

a Vapour barrier

b Flashing

Finished sill

d Rigid insulation,20mm 

Flashing

15mm Plywood sill support

Vapour barrier

h Laminated safety glass, 13.5mm

Window frame

Finished wood sill

k 30 x 10mm blocking

Lap sill membrane

2
a
b
c
d
e
f
g
h
i
j
k
l
a
b
c
d
e
f
g
3

3.Foundation

a DPC

b Unbaked clay brick, 295 x 45 x140mm

c Steel stud

Rigid insulation, 50mm

e Glass mat sheathing, 15mm

f Preasure treated sill plate

DPM

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