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Hi, It was suggested to me that I should fit non return valve(s) to the hot and cold pipes supplying the mixer thermostatic taps on my bath to prevent backflow. I am thinking of getting a pair of 22mm flexi hoses and attaching 22mm non return valves and then fitting these between the taps and...

Hi, I am cleaning out my mothers garage and found two rolls of Chesterfelt roofing felt (see pic). It's got to have been there 30+ years untouched. I'm wondering if it would still be fit for purpose for example if she needed to have the flat roofed extension redone ? Or should I tip it if...

I have a terrace house (dates from about 1910) with a bay front (see pic below) with solid 9" brick wall. The bay wall in the upstairs bedroom is letting water in under the stone cill under each of the two bay window column areas. I initially thought this may be penetrating through the wall but...

Hi, I have had what appears to be either a penetrating damp and/or condensation problem in a bedroom bay wall. Pic below shows the worst section of staining but other areas of the bay also suffered from dampish wallpaper so I decided to remove all the plaster in this area (possibly foolishly)...