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I thought a visqueen vapour barrier was to stop the moisture from being able to get from inside to the insulation cold side? Meaning no condensation. Have I got it wrong?

Okay thank you, so putting visqueen under the OSB won't make any difference? Extractor fans aren't ideal as I'm heating the space and not the water

There is no air gap :( if I didn't have an airgap would a vapour barrier have solved the problem? Coraline bitumen sheets Thank you, the tanks have lids so any condensation from them should remain in the tank. Or atleast wouldn't it condensate on the OSB inside?

I have fish tanks in there which keep the room at around 29-30

Hi All, I think I made a big mistake when finishing off part of my shed. I insulated a partitionof the shed whish is kept at around 30 degrees. I have 9mm OSB, 100mm glass wool, 18mm OSB, breathable membrane and then corrugated roof sheets. Above the insulation is soaking, I guess it's...

All the pipes are lagged, it's a new build. It's like the oil combi boiler can't keep up with the demand. I think it's because the flow rate through the heat exchanger needs to be below 15l per minute to keep the hot water store heated. Would that be right?

Thank you, sorry i should have searched. Its a mixer shower and just turning the pressure down doesn't seem to solve the issue. I have changed the heat plate exchanger on the boiler and replaced the little plastic flow regulator on the inlet. I have a grant vortex outdoor combi 26. Should have...

Hi, Just looking for abit of info please. I have an outdoor combi boiler and the plumber when he installed the system used 22mm pipe to hot and cold water. The boiler has an issue with supplying hot water when in demand for more than 5 minutes. After 5 minutes the temperature begins to...

Hi, Just looking to see if someone could please help with this issue. I have had this boiler for around 3 year and it was new when installed. After about 3 minutes of the shower being on the water temperature gradually decreases and keep having to turn temperature up on the shower but...

The only reason i was going down this route was because i had tiles left from building the house. Think i will just cut my losses and get laminate flooring! Seems alot simpler and won't need a ufh matt. Thank you for your help

The chipboard is already down, it's a new house and I'm just converting the upstairs now. Will it be okay if I use flexible adhesive?

Hi, Just looking to see if what i am looking at doing will be okay. I am putting in a new bathroom upstairs. The flooring is 22mm chipboard, I am looking at getting a 100w ufh matt @ 3m2 I was going to tile straight ontop of the ufh matt with BAL rapidset flexible. I have 33x33cm...

Hi, i have just extended my central heating system to upstairs but before plasterboard i would like to test the system for leaks. If i blank all the tails upstairs and then connect upto the system, will the air in the pipe upstairs bleed from radiators/taps downstairs? Thanks in advance

Yes it was my decision. Wanted as little space in the house taken up by water cylinders and plumbing pipes.

Thank you for your reply. So running mostly 22mm for the shower and sink basin won't affect pressure too much? Also is it normal with a combi boiler that if the shower is running and then the kitchen hot tap is opened that the shower goes cold?

What i'm trying to say simplified is: The flow and return pipes are 22mm copper, when the pipe goes vertically through the internal wall to upstairs it has been reduced to 15mm. Should i increase back from 15mm to 22mm at the nearest point upstairs, or will this not make a difference as...

Hi, I built a house approximately 2 years ago. We went for the Grant Vortex outdoor combi boiler 26kw. The plumber at the time has done 22mm runs for hot water and then 15mm reducing tees to the shower, taps etc. Reading the grant manual it says that it all be done in 15mm. At the time, i...

Hi, As topic suggests, is it possible to have 2 5kw stoves running through 1 selkirk double skin flue pipe?

It has been primed first with ronseal knotblock and primer.

Hi, We had our new skirting boards and architraves fitted about 6 weeks ago, about 3 weeks ago i caulked along the top of the skirting boards and around the edges of the architraves to leave a clean finish and no gaps. Now it has all come apart because of the recent heat i think, is it...