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by willraff
Mon Apr 04, 2011 1:54 pm
Forum: Damp and Damp Proofing Forum
Topic: Treating dry rot - help!
Replies: 2
Views: 4380

When you say you have "discovered dry rot" have you taken steps to eradicate its return in the future? It is imperative that the damp/unventilated conditions in which it thrives are eradicated. As for rebuilding walls - unless they have been structurally compromised there is no need to reb...
by willraff
Mon Apr 04, 2011 1:35 pm
Forum: Damp and Damp Proofing Forum
Topic: mould in corner of bedroom
Replies: 4
Views: 5295

Not sure what you mean by "block insulation" but if you intend to insulate the internal face of an external wall I would advise the use of a breathable membrane between the wall and the insulation. This will allow moisture vapour to escape from inside the room which would have been deposit...
by willraff
Mon Apr 04, 2011 1:28 pm
Forum: Damp and Damp Proofing Forum
Topic: Damp in new house purchase
Replies: 3
Views: 3206

Hi, in response to their email - has anyone established whether a damp proof membrane exists within the existing floor? This needs to be established before any quotes or remediation works can be considered. You should also remember that a chemically injected damp proof course is not the panacea (cur...
by willraff
Thu Mar 31, 2011 4:50 am
Forum: Building Regulations and Planning Permission Forum
Topic: Right to light
Replies: 2
Views: 3265

I understood it to be 45 but I could be wrong.
by willraff
Thu Mar 31, 2011 4:44 am
Forum: Damp and Damp Proofing Forum
Topic: Damp caused by guttering!
Replies: 3
Views: 5269

Your Victorian brick terrace is likely to be of traditional non cavity construction. When this type of structure becomes damp it will stay inherently damp unless all contributing factors are addressed. If you are unsure about the roof you need to instruct a suitably qualified professional to inspect...
by willraff
Thu Mar 31, 2011 4:20 am
Forum: Damp and Damp Proofing Forum
Topic: mould in corner of bedroom
Replies: 4
Views: 5295

Hi, it is not enough to simply ventilate the room although this is important; the room must be heated and ventilated at the same time. I know it sounds odd but air in an unventilated room becomes stale and moisture heavy, eventually the air molecules can no longer support the moisture content and th...
by willraff
Thu Mar 31, 2011 4:08 am
Forum: Damp and Damp Proofing Forum
Topic: Damp in new house purchase
Replies: 3
Views: 3206

If the existing floor does not have a damp proof membrane fitted it would be wise to incorporate one as the floor itself and any future floor coverings will be susceptible to damp. Given the age and construction type of the property it is inevitable that an element of moisture will be inherent in th...
by willraff
Thu Mar 31, 2011 3:51 am
Forum: Damp and Damp Proofing Forum
Topic: stone wall in kitchen
Replies: 3
Views: 2957

Hi, Andy is absolutely correct, I would advise the same "Cavity drain membrane" If you do not have access to a drain which is below the level of your kitchen floor you will have to incorporate a sump for the water to collect in and make provision for a 12/240v pump system to evacuate the a...
by willraff
Thu Mar 31, 2011 3:21 am
Forum: Electrics Forum
Topic: Single gang light switch
Replies: 1
Views: 2888

Single gang light switch

Can anyone help? I have removed a single gang light switch and forgotten which wires go where The light switch is on my landing and is connected to a two gang light switch downstairs - this controls the hall and landing light. The wires going into the landing switch are three red, one blue, one blac...
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