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Ahhhhh ok thanks for the reply guys So a secondary dpm isn't needed I was taping the joints anyway with foil back tape just wasn't sure whether the screed would attach the insulation in any way

I put 1 in under the concrete floor I now have 150mm to make up to ffl 75mm insulation 75mm of screed I'm of the understanding I still need a secondary dmp But am unsure of the positioning

Hi fellas just a quick 1 I'm screeding the floor In my extension Where should I put the membrane Above the insulation or below Or does it not matter Thanks in advance

If there's 1 thing I've learnt over the years friends family and neighbours and business do not mix under no circumstances now would I mix the 2 even with the best will in the world cross the ts dot the I.s there is always potential where building workand money is concerned for a good old...

How about cutting off the bottom 3rd of an oil drum punch holes for air intake and 2 holes near the top to hook it and drag it out to empty If it were me I'd probably line it with solid engineers built in header bond I suppose if you really wanted to go for it you could look at fitting a...

first off im not familiar with fire pits however i would give some thought to the height you come through the decking at a couple of course in height you need to look at the fact someone may trip and fall into it.

After years of barrowing and mixing and generally creating unnessercary graft for me and the lads i decided to use a pump for the extension on the back of my house the reason being my only access is through the utility room and the thought of bucketing concrete at this stage in my life is not a...

:shock:

consider spray crete its an overlay system ceatice impressions in bamber bridge preston supply they materials reasonably cheap looks good

Thankyou Freddy as always much appreciated

hi freddy thanks for the reply im not sure what you you mean by 50 mm gaps so heres what i plan to do. fix 9 x 2 c16 joists at 400 centres board over with 18mm ply lay vapour barrier lay pir insulation boards made up of 100mm 50mm and 75mm boards to a thickness of 150mm (basically im...

hi guys basically im almost at the point of starting to get the flat roof on my extension its going to be a warm deck sandwich design i have 5 sheets of 100mm kingspan left over from a previous project which i intend to use and plant a 50mm sheet on top of this bringing it upto 150mm...

west mids price range block paving £50 - £70 pic pretty much the same ask to see examples of work though and ask what the spec is

ok just been looking at the strada tables for flat roof joists its saying the maximum span for a 47 x 220 joist at 400mm centres for maintenance and repair only is 5.34 m as my clear span of joist is 5150mm according to this table a 47 x 220 is sufficient does anyone else go by these tables...

Would a 9 x 3 work

Access for maintenance only

Thanks for your reply 400 centres the span is 5200 I was hoping to get away with using joists rather than dropping in a steel to split the span What size joists would I need for that span and at what centres

Hi can anyone tell me the maximum span of a 9 x 2 joist used on a flat roof

Hi Im block paving around and upto a new extension which has yet to be completed and signed off the ground heights are high to the damp coarse about 75mm down would it be acceptable to to finish my block paving level at this height but where it butts up to the new extension drop an acco drain...

Are thunder bolts suitable for fixing timber to brickwork