ARCA logo

Flashing Details: Building Expansion Joint

Building Expansion Joint

Scope of Roofing by Roofer

vapour retardant

2

primary insulation

3

secondary insulation

4

primary membrane and membrane protection

5

membrane flashing

6

flexible membrane cap sheet

7

metal base flashing

8

metal cap flashing

half circle 8

alternate cap flashing profile

Suggested Details by Others

a

accepted deck

b

air/vapour seal

c

sloped wood blocking

d

wood cant strip

e

batt insulation