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Im considering a box frame for a wall opening in sandstone cottage walls. Because of age, very likely the original walls are lime mortar, with minimal foundations. Opening will be approx 2.8 -3.0m internal ceiling height is about 2.2m. This is a gable end carrying a chimney with sandstone walls...

I haven't exposed it yet but think I have old flagstones under a screed of self levelling in old kitchen which is about 3mx3m. If it is there, I am thinking of lifting it, digging out about 250mm then insulating, laying ufh and replacing flagstones. Has anybody done this? Can anybody point...

I currently have a 4x4 timber joist across a 3.2 span supporting the 4x2 ceiling joists below. I am going to strip this all out and replace with 7x4 main joist and 7x2 to replace the old ceiling ones. No problems with this but above that the existing rafters are 4x4 resting on 8x8 purlins. So...

Thanks

I have had engineering calcs done and because it is a 500mm thick stone wall the guy recommends 152x152 and using 3 bolted together. No problem with that because it makes it easier lifting them into a tight space. What I'm not sure about is that the padstones are specified as 440x140x215 - 6...

thanks - I'll check PP. At this stage we are getting our ideas together so that have some direction to give the architect when we appoint him.

ok, cheers, will do

Thanks, I'll try that. The speed that the pressure drops means that currently it goes through the green triangle and probably the same amount below it in about 24hours, therefore if I did it one morning before work then checked when we got home (abt 10 hours later) there would be at least a...

Worcester Bosch Greenstar R35

Re PRV, yes gas board replaced that on a call out this week. The system looses pressure overnight, if we top up to top of 'green' bar it's way back down below within 24 hours

I have a bungalow with rooms in loft but upstairs the walls are set in from the brickwork to get a more usable use - rather than going down to nearly no height. We are planning an extension and I wondered if I could get approval for a couple of course of blockwork, thus raising the roof...

How effective are CH leak sealers? Before I dash off to Toolstation, is it worth doing a flush first and then adding the sealer plus a new dose of inhibitor as well? There are cold spots on the system, particularly around a couple of old rads that went in about 20 years ago so I'd prefer to...