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Sorry chaps! Attached image.

Hi everyone! As you will see below. I have two rooms that are inter connected. The family room (not what we call it, fk knows what that's about), is a 1970s extension. The doorway between them is quite narrow and is an open archway. Not wide enough to fit a door frame and door. I want to make...

So how would Kingspan Kooltherm K106 compare on price and ease of installation compared to that PIR stuff?

I don't have one. Just want building control sign off.

Thanks Nose. So what do you do when constructing single storey extensions?

There seems to be a difference of opinion now. One builder saying the options are: - thermalite, 90mm cavity insulation, 10mm gap - fibrelite, 150mm cavity filled with bats Another builder saying: - Thermalite and fibrelite similar u values so go with fibrelite, 90mm cavity insulation and...

Thanks chaps - really helpful and interesting feedback. What are your thoughts on cavity (90mm insulation and 10mm gap) versus solid wall with cavity bats - putting the blocks issue to one side? With these thermalite blocks, what I'm getting is that they are a bit crap but will do the job...

Hi all! I'm getting a single storey side extension added to my bungalow. 4m x 6.5m. It will come off an existing hip roofed out rigger. Builder has said: - he doesn't like thermalite blocks. U values are good but quality poor. They crack and the walls don't seem very strong with the poor...

Alright chaps. I've added some photos. Some further information. The screw cap where the rust is coming from actually has a gap on both side of the central hole. So water could be getting into the cap through that when the shower is in use. Hot water so steam. There is some kind of brass type...

So this isn't typical?

Hi all, I've provided photos below. My shower mixer has the hot and cold water pipes going right through the wall and into the cubicle from the boiler cupboard. There are two round screw caps that enclose the part where the copper pipes go into the mixer. I've noticed rust stains below the...

The step isn't connected to wall, there's a gap. I just put two loose pieces of stone on top. Behind the step is some sloped mortar so any water can run out and then down the stones which fall away from the house. How do I ensure the best mortar that will last without cracking?

Hi all, I've just had this new door frame fitted. Underneath the sill needs finishing off. A DPC was put on top of the pre existing bricks at the bottom and foam has been squirted in to fill the main space below the sill (see photos). I won't go into why this space exists or remains, too long...

Hi all, If my house extension project begins construction in February, so foundations being dug, brick laying, concrete being poured, etc. are there any concerns about frost / freezing damage to concrete or masonry? How would you mitigate against that? Or, is it best to begin building 1st March...

Doesn't lower return temp mean more condensing temperatures so higher efficiency ?

I just did a test and it tripped at 61C (flow temp is 57) but wad probably near 62 when it tripped. Will lowering the pump setting from 2 to 1 reduce the return flow temp (water in radiators for longer)? Trying to decide what the best setting is... I just noticed after it tripped that it never...

It is happening yes ' it over shoots flow temp then stops and cycles for a while (5 mins probably, as in the anti fast time). When I say over shoots, it doesn't happen quickly like 10 seconds or whatever. It will be on the set flow temp for a bit, then a degree higher for a bit and so on. I...

If TRVs are rejecting hot water from the boiler, isn't it inevitable that the flow temperature at the boiler will overshoot, so the trip is supposed to stop stop burning gas and cycle the hot water for a bit? Or are you saying this shouldn't be happening?

SP+5C is a fairly prudent setting IMO, because, one, you don't want the temperature to exceed SP+5C on refiring, its quite difficult to get this spot on by just adjusting the anticycle time or the temperature that the boilrer refires at, Anti fast flow temp -12, in your case, two, is that when...

Hi mate, You've previously said: "It will stay running at 53C providing the heat load (rad TRVs throttling in) stays higher than the minimum output of the boiler, once the heat load falls below the boiler minimum output then the return and flow will start rising until the flowtemp rises to...