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by canon3379
Thu Jun 11, 2009 4:58 pm
Forum: Brickwork and Blockwork Forum
Topic: CAVITY WALLS
Replies: 4
Views: 4133

CAVITY WALLS

Hi...i am a little confused.
In a cavity wall , be the cavity 100mm or 80mm do you have to have a 50mm clear cavity, then 30 or 50mm insulation?
I know you can full fill the cavity with insulation but guess this doesnt help with transfer of damp?
thanks
rob
by canon3379
Tue Feb 24, 2009 10:45 pm
Forum: Bathrooms, Drainage and Waste Plumbing Forum
Topic: When to vent to outside air
Replies: 1
Views: 2573

When to vent to outside air

How do you decide which stack is to vent to external air? I appreciate all
appliances are to be vented via an AAV or stack to external air. But which?
by canon3379
Mon Feb 23, 2009 10:19 pm
Forum: Ironmongery and Locks Forum
Topic: Eye Bolt
Replies: 0
Views: 4402

Eye Bolt

What is the purpose of an eye bolt on a door? and where are they positioned?
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