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I want to build a raised planter against my neighbours extension wall, whats the best way to waterproof their side. At the moment soil would be against it from about 40cm high to about 1m high and about 3m long, the bed will only be 30cm wide with a weep hole at one end.

After sifting through lots of old posts i'd like to check i'm going about rendering my extension the right way. The extension is conc. blocks, do i need to rough up the surface or will a 1:1:1: slurry coat of cement, plastering sand and water be ok? What thickness should the scratchcoat be and...

I've now got from botom up 150mm hardcore, sand blinded, visqueen dpm, 100mm concrete (poured last Saturday so i take it its ok to cover now?) should it be another dpm on top of the concrete before the 125mm poly insulation or insulation then dpm??? The rest of the floor will be underfloor...

I'm hoping to lay the concrete slab for my extension this weekend and as the walls are up its been suggested that i use battons to get to the right height and level. Does the batton go against the wall and then dpm over it or will this make using the batton difficult? if the dpm goes up the wall...

I've an extension underway and want to check that what i'm planning is correct as far as the base goes. The specs that were approved for bc say:- well consolidated 150mm hardcore, sand blinded, 1200g visqueen, 100mm concrete, 125mm polystyrene or 80mm kingspan insulation (poly...

Hello all, i've got an extension underway and its time to tackle the roof - mono pitch, 17deg, Marley Modern tiles on 38mm x 25mm battens, 170x50 roof spars, breathable membrane. A couple of basic questions how should the membrane be attached to the spars? does every row of tiles need nailing...