Dave Jones

Condensation more than likely. get on the roof, take the pot off and rip the liner out. Seal the chimney with a slab and if you feel inclined chop in an air brick.

doesnt effect plastic. only organic matter.

a mornings work dig out a channel behind the wall, blackjack it, dpm then backfill with pea gravel.

the goal should be build the house right so the only heating required is the ground floor slab. if the heat losses mean you need more than the thermal envelope isnt good enough. Can see why the regs are written to cover the legoland builds which make up the majority of new build and are crap as we all know.

only had to kick a BCO off site once and that was to prevent him being done injury by a brickie who he was trying to tell his work was wrong (it wasn't). brickie 55 bco 21 They are theory merchants only, very rare you get an experienced one i find.

doubt it. sap is for building control and the output of it is an EPC.

second vote for this. it melts anything.

yep needs SAP as well. Paid £450 for last one.

surecav doc is wrong they missing a damp and dont show weepers either

yes they can ONLY if its a defect found on the final inspection.

make the hallway narrower and the lounge larger.

standard m10 coach bolt / threaded rod. penny washer and m10 wingnut. its not a screw.

yes this is a little barmy but 30mm of EPS will help with sound transmission I guess, just need to allow for the FFL on intermediate floors now as well... or put the pipes in without insulation and just dont connect them at manifold. sign off then re-connect.

what make of VCL are they using ?

dont pay his bill. Ask him to be a bit more professional and send a typed copy. too many of these clowns taking the pi$$ for no reason.

heat rises etc.

id be more interested on the design of the warm roof, what VCL and where etc. If its a parapet wall how the capping will be detailed. EDPM every time over GRP for me.

another vote for pozi's. correctly glued deck doesnt squeek and they bounce less than beams.

was referring to new build, there is no lined stack with an insulated liner. you can put a fake chimney breast in for aesthetics etc Old houses ive seen with capped off pots often have a couple air bricks in the stack at pot level. The houses are leaky enough to provide air flow i guess.

solicitor time for a letter they are cheap. notice of pre-action. original inspector approved stage X evidenced by report Y Boss inspector says stage X previously approved by report Y is now wrong. Costs to you are a min £25k and they are liable. Should focus the tossers mind.

is the land owner upstream or downstream of the tank ? If downstream surely you can just connect to the existing pipe without any need for permission from them ?

you dont need insulation on the intermediate floors. Get the shell airtight instead and you be laughing.

nope. you dont want to trap moisture in the house unless you have something to remove it. a cold roof removes it.

100mm spacing max for low flow temp. put the loops everywhere, excluding chunks of the slab just reduces the overall efficiency by making the surrounding loops work herder.

The costs between the two are not small. But i agree warm is better but has more potential for problems if not done correctly which a cold roof doesn't.