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Thanks! No doesn't need to be engineering bricks was thinking to put couple rows of 7n Conc Blocks and then Eng Brick on top so will probably do that. So will be something like this then? I was going to put a 100mm DPC roll on the block / brick work at the DPC level in the new extension...

Hi for my extension build I wanted to check what point I needed to build the engineering brickwork up to for DPC The back of the current house has DPC below the Internal Floor level - I think is because it is a timber floor with space for vent. For my new extension, I was going to brick up to...

Will that make any difference?

Yes - they have already built up the walls - the floor's not done which we're going to do next..

It's all new - an outbuilding at the back of the garden. Outside ground level will be at least 150mm below the inside ground level

I'm not sure it will be continuous actually as they will be two seperate sheets - they put the DPC roll inbetween the brick and built up from there without dropping it down to the floor. I am yet to put the the DPM roll on the floor / cement etc.

Hi, I'm building an out-house - can the internal floor level be lower than the external DPC Level? i.e. Screed come to lower than the DPC brick? Looking to try and get some more internal height - will this cause any damp etc. issues?

Hello, I'm building an outhouse - need to raise the floor level of the outhouse around 50cm to get it level with the rest of the garden; just wanted to check what is the best way of doing this? I read that I can just put in lots of MOT Type-1 but i think that might work out quite expensive...

Building Control came in and they were expecting normal warm flat roof as per the plans (i.e. 100 / 120mm on top of the joists)

Thanks for the reply, and sorry in delay replying! That's a bit re-assuring. I think it is just the 100mm celetex they have used though. Not sure if they have filled gaps with a foam gun, i will ask the question. Noted on the foil-back. I did reach out to Celetex and yes they said they don't...

The drawings said a warm flat roof with 120mm insulation above the joists. the builders put 25mm at the top because they said that will provide additional height in the loft. they had already done then told me afterwards. The drawings were then changed to show a cold deck roof, but they haven't...

Hi, hope I have posted in this in the right section of the forum.. i'm getting a loft conversion built - the builder has put 25mm of insulation above the joists and 120mm inbetween the joists in the flat roof. he's said this makes it a warm roof therefore it doesnt need any ventilation.. is...

Hi Paul - Thanks, Tiles are 7mm thick and size 250mm by 500mm. Tile Type is Ceramic The walls are pretty flat but not completely 100% straight. Running the tiles all the way up to the ceiling. Previous tiles were there when i bought the house, believe they were put on about 20 years ago when...

Hi, I'm renovating my bathroom; this is my first real DIY project and wanted to just check about Tiling around the Bath-Shower area. I was planning to apply the tile adhesive directly onto the plaster and then Tile - will this be sufficiently waterproof? someone mentioned that aquapanel...