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Found 2 results

  1. If anyone interested I have a 15% off code for airtightness tapes with Passive house systems. The code is 15%aocx, not sure how long this code lasts but I have only just ordered and it worked for me. I have the rep's contact details so if it does not work let me know and I will contact him.
  2. To disguise our borehole, which is a raised concrete section 600 x 450 inspection chamber, we've built a circular stone wall around it, about 1500mm in diameter (about the smallest diameter we could manage). This is built on a hefty concrete footing, that seals to the pre-cast concrete inspection chamber section. I've added another inspection chamber section, so the borehole casing, inside the stone ring is now about 30mm above it and I have capped it with a 900 x 600 sandstone. The stone ring is around 400mm high, and we're now left with an annular space around the borehole head chamber and are thinking of turning it into a water feature. There's no risk of contaminating the borehole, as the borehole itself has a sealed cap, plus there's a 100mm drain leading from the base of the head chamber to a soakaway. All the electrics in the head chamber are IP66 sealed. What I'm looking at is the best way to seal both the outside of the precast chamber sections, the concrete base and the inside face of the stone wall. My initial thoughts are to parge coat the inside of the masonry to get it smooth and fill any bigger voids in the mortar, add a strong mortar radius around the base of both the inner face of the outer wall and the base, and between the outer face of the chamber section and the base. Once I have the surfaces fairly smooth, I was then thinking of using something like G4 PU sealant to seal the whole of the inside. I'll build in an overflow pipe and also a fill pipe, and as there's power there we may well add a pump and some form of gentle water feature later. The "pond" will be planted, with raised platforms for things like water lilies, maybe some irises, but won't have fish in it. Does the above sound sensible? I'll try and take a photo tomorrow, to show how it looks at the moment.