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    plastic pipe choice - JG, Polyplumb, Hep20, Uponor?

    Hi all, About to diy replumb as part of renovation, I know this has probably been asked a lot but can only find older threads so thought an update of view in order to help me choose which system!? CH and h/c water will be off manifold systems, ie: 22mm to manifold then 15mm to rads on...
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    600mm high retaining wall - very quick question!

    Hi, I know this question has been asked 100 times before but all situations are different!!? Basically I'm building a retaining wall to excavate and lower the ground level around a house and garden. The highest part of the wall will be approx 600mm above lower level with majority...
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    Make my own dished chanels

    Hi, Am planning to dig around the perimeter of my house and install perimeter drainage with precast dished concrete channels. I will obviously be taking care not to go too low and am doing this as currently the external floor level is about 500mm above internal ground level and we have damp...
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    ground drainage - geocomposite?

    Hi All, I know there have been a few threads on french drains etc but this is a slightly different question. On paving expert he mentions the use of "fin drains" instead of geotextile wrapping round pipe and gravel approach for below ground drainage ( ie: not surface) I have seen...
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