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Found 2 results

  1. DaveAF
    Hello. 3 years ago we had 2 new upvc bay windows fitted by an established company in the London area. The ground floor window has sealant between the sill and the brickwork, the first floor window does not. We have damp on the first floor interior wall below the window but not on the ground floor wall below its bay window. There are large gaps between the first floor bay window sill and brickwork and 2 packing strips can be seen from street level on both sides of the bay window. (cant get photos to upload to site). I have several questions and will appreciate any thoughts. 1. Am I correct in thinking that this is how water is getting in? 2. Is it normal to seal gaps under a ground floor window sill but not a first floor sill? 3. Should I ask the installers to come back and seal the gaps? Regards DaveAF
  2. Marvin
    My neighbour has a bungalow with a feed and expansion (F&E) tank at the top of his loft. It was completely cleaned out a few month ago (it had black gunge in it). About 2 months later the overflow started dripping. On inspecting the tank it was "mould growth" that stopped the ball valve from working. I think this time it was white mould but I will check with him. What is causing the mould? How can it be stopped? Details: Typical vented central heating system with radiators and oil boiler. Hot water pump, 3 port valve and hot water tank (HWT) in loft! Water treated with inhibitor Standard size F&E tank. Don't think the tank has a proper lid but it does have minimum insulation. My guesses: Pump pumping so hard that water running out of expansion pipe and going down feed pipe causing the tank to become a Radiator. Inadequately vented loft causing a breeding ground for growth and suitable warmth for growth. Feed pipe installed causing heat to rises into F&E tank Port valve, and pump (and HWT which has no where else to go in the bungalow) shouldn't be in the loft. (I would never put a HWT in a loft!) Has anyone come across this before, and if so what did you do?
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