We are about to insulate a block and beam floor with 100mm celotex and then put 65mm screed on top of that. Bit worried that the block and beam floor is a bit uneven and that the insulation may move when laid on top of it ... and crack the screed. Am I worrying unnecessarily or do I need to make...
Does that mean that we can connect the basin wastepipe to the horizontal waste/soilpipe on the side (rather than the top) as nothing can go up this valve from the waste/soil pipe to the basin waste ?
Would this comply with building regs ?
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We might have enough room to go for the connection on the top of the waste/soilpipe ... is there no one way valve that you can put in the basin waste pipe to prevent any backflow from the main waste/soilpipe ?
We want to join it under the floorboards on the horizontal run of wastepipe (that is on a slight slope to outside drain). This item is where the toilet connects to the wastepipe - so higher up.
We are trying to avoid having the basin waste running along the wall inside the cloakroom - as this...
We are half way through putting in a new downstairs cloakroom with a loo and a corner basin (with vanity unit to cover up pipework). The waste/soilpipe from the loo will run under the floorboards across the kitchen and then out under the back door to join to the existing soil pipe run.
Can we...