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Hi I had an outhouse built, 6m length, 3m width The 4 walls are single brick (internally rendered) then 50mm EPS insulation 'dot and dabbed' followed by plasterboard and skim. The roof is a flat felt roof with 100mm mineral wool insulation, and the floor is a concrete slab. A year later I...

Quick electrical question I currently have a floodlight outside wired into a fused spur which has been taken from a socket many years ago. I've recently had two more flood lights added (mrs not me!!), everything on LED so not an issue with load. When the builder put the lights up he ran...

Hi, Yesterday i was undertaking some DIY and filling some gaps with expanding foam. However me being silly i didn't wear a mask! Now i am worried after reading some of the dangers of breathing in expanding foam. Can anyone shed some light on if im doomed by breathing this stuff in, one time...

Hi All, Just a quick query regarding beams. Having my kitchen extended, as part of this we are breaking a main wall of the original house, The structural engineer has specified a beam to my builder, and ive seen the calcs but the beam he has specified is one 300mm by 7meter beam, to cover both...

Thanks for the reply The pressure and flow have been tested and seem to be adequate. Could someone explain how the unvented is installed with the combi? My understanding is that combi is on demand water, so is there a way of converting it so it heats up the water in the cylinder? Thanks

Hi everyone Currently undergoing a loft conversion and my plumber has recommended to get an unvented cylinder installed, I like the idea of it but forgot to ask the plumber will this work with a combi boiler? Is it a simple job or will the boiler need changing? I've got a Baxi Duo Tec 33kw...

Hi all, My loft conversion coming to an end finally. Just after some advise regarding the soil Vent. My original vent was on a flat roof extension of the house, which has now been roofed over and made into a room. The vent pipe was removed and had a toilet connected to it(loft shower room) but...

Hi all, Just having a small showeroom refurbished. After stripping down the old wall tiles, my builder said it seems that the window has no lintel on the outer skin! The inner skin seems to be supported on a 'timber' support. The window is upvc and is 50cm wide, and has a height of 90cm. Can...

Thanks for the reply. Will need to speak to my previous builder who built a brick shed using EPS and running cables on all 4 walls! And sealed with plasterboard on top. Twin and earth cable was used for the sockets (Prysmian I believe). Will this be an issue for me in the future? It's been over...

Just out of interest, how does the cable get destroyed? Is it due to the heat being trapped?

Hi guys Thanks for the reply. It will be covered with 12.5mm plasterboard and then skimmed. My main concern is, in the case of a fire will this release toxic fumes as it's plastic burning? I know the plasterboard should give around half an hour of fire protection. With regards to electric...

Hi all Thanks for the replies, looks like I will be specifying 50mm celotex. Just out of interest,is it safe to use Jablite in walls within the house?. I recently had a brick shed built where EPS was used just wondering if it's OK to use in the house. Thanks

Is EPS bad to use indoors?

Thanks for the info. £15 a sheet board?? Very good price, care to share?

Hi, Im considering insulating a wall internally as this room gets very cold as soon as the heating is turned off. Its a downstairs living room, and my plan is to insulate the exterior wall. We had insulation blown into the cavity walls within the house, and insulated the suspended floor to...

Hi, by service void do you mean adding a false ceiling? The head room is fairly limited as it is. The joists going into the rsj for the dormer are 120mm, filled with 100mm celotex. Is the a way to avoid cutting away at the celotex? Do low profile down lights exist

Hi all, I'm currently having my loft converted and I plan to have some downlights in the flat roof dormer. Just wondering is the a way to have downlighs without cutting away the celotex? I have seen these 'low profile integrated led' ones which are quite slim. Has any one come across these? I...

Hi Currently having a loft conversion. After some advice regarding velux window positioning. Im planning on have 3 X 780 x 980 velux windows in one room. Is there a certain amount of space required between the rafters? As the rafters will have to be cut and then doubled up. The rafters are...

Great, thanks for the replies guys much appreciated!

Hi woody. Thanks for the reply Is there any possibility the ceiling material could contain asbestos as it's a 1970s extension? Or does it look like asbestos insulation board? Thanks