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by wookey
Thu May 19, 2011 1:18 am
Forum: Insulation Forum
Topic: Looking for a comparison chart for insulation
Replies: 2
Views: 3801

Are you wanting to insulate at roof level or ceiling level?

There are numerous insulations: blown celulose fibre, mineral fibre, glass fibre, polystyrene (EPS), polyurethane (PUR). They have different pros, cons and costs. You will need to give some more details for further advice.
by wookey
Thu May 19, 2011 1:15 am
Forum: Insulation Forum
Topic: cavity wall insultation for walls with bricks for wall ties?
Replies: 2
Views: 3569

Are there a lot of tie-bricks? Each one will be a terrible thermal bridge, and I'd really look at internal or external insulation, which is a much better-performing solution anyway. Cavity is cheap and easy, but the gains are quite limited.
by wookey
Thu May 19, 2011 1:12 am
Forum: Conversion, Refurbishment and Renovation Forum
Topic: Exposed joists in kitchen ceiling
Replies: 2
Views: 4697

Difficult to do from below (because that's not how it's usually done), but not impossible. Your biggest problem is that you'd need to thread the pipe many times, which will take an age unless it's a fairly small area, or put joints in, which is generally bad practice. Then you've to work out some sc...
by wookey
Sat Mar 12, 2011 10:11 am
Forum: Electrics Forum
Topic: Electrics in a cloakroom - can I DIY?
Replies: 3
Views: 8996

As was just explained you need to use physically protected cable or change the CU to comply with the regs and you're not allowed to change the CU without involving building control. So given that you only wanted to move the switch because you were told it no longer complies by far the easiest thing ...
by wookey
Sat Mar 12, 2011 9:57 am
Forum: Insulation Forum
Topic: Chimney insulation
Replies: 6
Views: 5356

A bend doesn't normally prevent a flexible liner going down the chimney - just makes it a bit more awkward. Many chimneys have bends and offsets in them. The choices are: 1) Rigid Pumice liners (will last indefinitely - you need to take out bricks for access at the corner) 2) rubber snake down chimn...
by wookey
Sun Nov 25, 2007 9:30 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Bottom of radiators are cold
Replies: 1
Views: 3779

Cold bottoms of radiators suggests sludge in the system. And that implies flushing/cleaning. I'm in the middle of this myself (in preparation for fitting new boiler). I found useful info here: [url]http://www.fernox.com/?cccpage=DS40&sub=1[/url] , here: [url]https://www.diydoctor.org.uk/projects...
by wookey
Sun Nov 25, 2007 9:08 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Can I have a combi boiler and sink in the same room?
Replies: 1
Views: 4643

It's not a corgi regulation (that I am aware of). It's an electrical regulation. There are strict rules about what can be done next to a bath of shower, but sinks outside bathrooms do not imply any special requirements so far as I can see (from the wiring regs on-site guide I have to hand). Certainl...
by wookey
Sun Nov 25, 2007 8:45 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: pipework for combi
Replies: 6
Views: 3777

I don't believe so. (My previous install was all-hep20 with a combi). The only reason you need to use copper for the last bit is it if it on view and you don't like the aesthetics of plastic.
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