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Hi catlad Can you offer any further advice on a central post? Size etc? What purlin sizes would then be required? Noseall - can you recommend the type of professional I'd need to contact to get the calcs done? Thanks again

Thanks Noseall... any other suggestions? Thanks

Hi, I'm planning the build of an outbuilding. Photo attached. The roof will be at 9 degree pitch. I'm planning ot use flat roof materials - EPDM plus OSB decking. Can anyone recommend the best type of window to use on this type of roof? A standard velux? A flat roof version? Any advice...

Heres a couple of sketches of the building and potential roof truss pattern. Thanks

Thanks all, For the central purlin would a 75 x 220 wood beam be strong enough? I can get this as long as 7.2 meters so it would reach. Thanks Also, can anyone recommend the best type of window to use on the roof at a 9 degree pitch and flat roof products? A velux? A specific flat roof...

Hi It's a flat roof. They are joists for the roof. It's single storey. No floor involved. Thanks

Hello I'm planning an outbuilding build approximate dimensions - 6.3 m x 7 m (large double garage) Can anyone advise on the type / size of joists required? Is it best to have a central support also and running shorter joists off this? Thansk for any advice. Gavin

Is this possible? Will it have implications for damp and the DPC? Or can I build the wall, put the neighbours soil up to it and it will be fine? Thanks

Hi all I wonder if you can help with another problem I have. The building will be next to a fence with the neighbour along the 7m length of the building. I want to get the building as close to this fence as possible. I'm now considering a 600mm x 1000 m strip foundation. The garden is on a...

Hi yes you did reply to another post. Thank you. The main pain in the ar.. of the raft foundation at present is that building control are asking for an engineer to make calculations for the slab. A cost I can;t afford. I wonder if you can help with another problem I have. The building will be...

Hi all I'm planning a build of an outbuilding - 6m x 7m. I was planning a slab foundation.. approx 6 inches of concrete with 4 inches of aggregate below. I've spoken to building regs today and they have asked for calculations for the slab. Is this standard practice? Can anyone recommend a...

Hi all, I'm currently designing an outbuilding - 6.3 m x 7.1 m. I've made the decision to use a slab (sometimes called raft) foundation. I'm having difficulty deciding on the best way to DPC the slab. Can anyone offer any advice? I'll be using 4 inches of aggregate throughout the slab and...

Thanks all, really helpful advice. I've decided to stay at least 800mm away from the wall. I'll only need to dig down 2 feet (along a short length of the wall (approx 5 - 6 feet) and will build a retainer wall on my side. The distance from teh wall will be between 800 (for a foot) and then...

Hi all Thanks for reading. I'm in the process of planning a double garage build - 7m x 7m. It will involve lowering the ground at the bottom of my garden by about 3 feet (at its highest). The bottom of the garden runs parallel to the neighbours wall and foundations (which must run onto my...

Thanks all Bernard Green - I like the look at the design - plus it looks fairly straight forward to roof / build etc. I'm now thinking about levelling the ground at the bottom of the garden - It will involve lowering the ground at the bottom of my garden by about 3 feet (at its highest). The...

Thanks for your replies. Cancer Beat. I'm not fully understanding what you're suggesting. Can you provide a picture / diagram? Leaving it square? So from what you're saying the masonary angles shouldn't be too difficult / expensive but the roofing would be tricky? I'm thinking something as in...

Hi all, I'd really appreciate any advice. I've recently purchased a property and it has an irregular shaped garden. I'm planning on self building a double garage out building. Can anyone offer advice on teh difficulty and cost of building walls that aren't at right angles and the...