Hi i am planning on digging up all the downstairs of my house. A few things i could do with some help on.
1- Gas - i have a gas mains that needs to run the full length of the house but i cant run it on the outside so i was going to put it into the floor, im not sure where, before dpm after dpm or inside the insulation (cut a channel). ive also read that the gas pipe after it being taped up (can this be electrical tape?) could be run through a different larger pipe which is to be closed off at one end and left open on the other to vent gas if there were a leak. but how would this larger pipe fit? eg when a "T" is inline could i use a plastic channeling instead? pipe sise is 28mm and "T"s of to 15.
2 - Water again where does this go? above dpm or below if its below what do i need to do to seal the dpm after? can i use the blue pipe
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