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I'm installing a new foul water drain fed by one shower/toilet/sink for occasional use. The guide lines I've read for this application either say 1:40 or 'minimum 1:40' slope on the drain. I know that solids can get left behind if too steep but nowhere can I find a figure for the maximum slope...

Can 15mm table x chrome pipe be bent in a pipe bender without the chrome being damaged?

Are there good makes and bad makes of PRVs? Are there reliability issues? I'm fitting a PRV as we have over 5bar water pressure but don't know if I need to go for/avoid particular makes. :?

Do standard nylon clips creak as heating pipes expand? I want to install all the pipes creak free and any advise will be much appreciated?

I'm fitting new wooden windows into not too good brickwork and want to seal the gap with expanding foam. Is it much better/easier to use a foam gun and gun grade foam rather than just the cans?

Is it possible to run a combi boiler without the radiators so that we can use it for hot water whilst all the rads are being installed at a later date. I assume this would be done by linking the flow and return pipes together and having the heating demand switched off. The boiler has an...

Can anyone advise on what types or makes of bathroom extractor fans are quietest? I am prepared to pay more if something is quieter. I can go through the wall or up into the loft and out the end wall of the house.?

I am installing a combi boiler in a cupboard 0.7m wide, 0.8m deep and 1.4m high and all required clearances will be met including access for servicing. It will be installed according to everything in the instructions. The installation in the cupboard has to meet BS 6798. Can anyone advise of...

I'm installing a Halstead Ace high into a small house and, having done all the calcs, the pump pressure head vs flow rate is giving considerably more than is required and it is single speed, not adjustable. I know that the system will be balanced by turning down the lockshield valves so the...

Does anyone have the pressure loss vs flow rate table for 10mm pipe that they can pass on? Information I have only goes down to 15mm. Thanks :D

I wish to run a waste pipe from a washing machine to the stack which is 5.7m away, with 2 elbows on the way. The limit is normally 3m but if I use an anti syphon unit at the washing machine end and 50mm pipe, can I take this up to 5.7m? The next problem is the height of the waste at the...

Are there any 115mm angle grinder disks that cut wood? There are a lot of timbers built into the property wall that need some notches cut through for various reasons and getting a hand saw in is difficult and energy sapping. Also all the old window frames to cut through and health probs mean I...

I am looking to install a combi boiler directly on the wall the other side of the wall from the bed head. We have no other choice of position and this position is good for everything except potential noise. I am concerned that normal boiler noises like burners, pump etc will be disturbing...

We have softwood double glazed windows on order. I understand the fitting process from the \\\'how to\\\' section but how are the sealed units secured into the frames? With beads? Do you use silicone to seal them in?

I am looking to pick up test equipment from ebay for the house rewire I'm doing and trying to sort out what is the minimum I need. Insulation/continuity is an obvious requirement. Will I need one with a 250v test voltage option for testing the 12v halogen lighting installation (i.e. is this a...

How should gas pipes for built in oven and hob be terminated ready for the oven and hob to be fitted? Do you use a bayonet socket for the oven? Conventional or microbore? Threaded fitting for the hob?

Is it acceptable to run a gas pipe behind dry lining? Gas reg 19 'no pipe in unventilated void' would say no but then it leads me to ask about running through ceiling space as that is unventilated void but is surely used all the time for gas pipe runs? :?

I am fitting a toilet 5m away from the existing soil stack, on the same wall. Although this is within the 6m allowed, would it be normal practice to fit a new stack instead? To do this I will have to tee into the existing clay pipe drain which is 4 ft down. How complicated is it to tee into...

Any tips on how to cut into lath and plaster ceiling? I want to fit a loft hatch and down lighters but don't want to crack up the ceiling in the process of cutting into it. I had thought of setting in a square of plasterboard for the down lighters but I still have to cut the laths. :?

I am fitting a boiler and the flue will go up through the roof, using a roof kit. It is a recently re-done slate roof with the flue going out 3 or 4 rows below the ridge. How do I remove tiles to cut them and fit around the roof flue kit? :?