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So i wasnt meant to fill in the trench with the same stuff that came out of it?

About 180mm shud compact down to 150?

Hi Guys, Do i need to wacker plate my soil prior to putting down the hardcore for my sub base (for outbuilding)? Im going for 150mm hardcore depth.... So how much do i need to put down so the final compacted depth is 150? Thanks

Hi Guys, Any issues with placing 50mm xps insulation slabs externally in the trench below dpc/ground level before backfill? To help with insulating the building? Please see pics.

Hi Guys, I will be filling my cavity as per title over the weekend prior to backfilling and compacting the ground. I know i need to use 8 part balast to 1 part cement gfor the mix...but i have read conflicting messages about the consistency of the mix....should it be wet or dry? Also i have...

Cheers ill just get the 1200 amd cut them in half to get 2 600s :)

Thanks.... 1200 x 100 x 65 should be fine then. The openings are only small enough for a 110mm pipe.... Or you recommend a shorter length?

Hi Guys, going to be building up to DPC for my project this week. There will be 2 bridges for water and electric supplies to run under the blocks... what size/rating lintel will i need (assumng i need 4 lintels also)? Thanks

Its actually a 40m run but im going to bury the swa direct into ground and was just thinking about how to enter it into the building pre build

How do you mean?

Thank you! thats very helpful :)

Hi Guys, Im just running my utilites to my new outbuilding (still waiting to be built up to DPC). I had to run utiities first due to access etc. Is it ok if i run the swa beneath the dpc with a lintel and up through the concrete floor once its poured etc? DO i use a hockey stick to bend it in...

Im going to stick with concrete blocks all round i think.

Assuming they are al replaced by these aerated/toplite/thermlite typle blocks?

Ok that makes sense...just had a look...so its basically Breeze Blocks! Would you recommend sticking with concrete blocks? Ive attached a plan of what im building :)

Hi All, Ive been advised by my builder to use concrete blocks fro my outer skin of my outbuilding and internal skin/partition walls with ashblocks/ashlite.... i cant find much information on these on the net...has anybody else come across these (or if there is a different term for them)? Ive...

Not the main switch but just the central hesting element. I have an Intergas Boiler.

For example in my main house we never use the thermostat for controlling the central heating...we manually switch it on from the boiler and switch it off when the house is warm enough...i want to be able to do this. Would you suggest a programmer unit is a better option to completely switch off...

hi Guys, I'm building an outbuilding for recreational purposes which includes a separate shed/garage.... I'm thinking of installing the new boiler in here as its easier to get the gas supply pipe here. I want to be able to control the central heating from inside the main outbuilding... like...

I went to the merchants and bought osb then it wudnt fit in my car....so i left it there and borrowing a van to collect at 1pm to cut and set beforr concrete at 2