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Damp plaster is not really the problem, it is the salts that get left behind when the moisture evaporates. Those salts actually encourage dampness and that is the reason to replace it. Perished plaster of course needs replacing. Unless the wall is actually wet you can plaster pretty much...

Sound like you will end up with a hole in a suitable place but don't forget all the other constraints. See https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/468872/ADJ_LOCKED.pdf page 49

You can hire the injection equipment and do it yourself if you want to. One thing to note is that if your wall plaster has signs of dampness you are best to replaster the affected area and some margin beyond using a suitable undercoat. There are various suitable undercoats but the lightweight...

I have Virgin at my house and I knew the cable was going to be surface mounted wherever unless I made life easy for them. So I actually installed the cable route complete with draw cords to where I wanted it and all out of sight. Result was the guys were more than happy to make use of my easy...

I would not go so far as to say they are loose, your description is OK but the fibres at cuts and breaks are disturbed so there is a potential release of some fibres in such situations. If you want to live with the risk however small that is up to you. If you plan to use machines in your shed...

I would not be happy with any known asbestos sheet that has been cut or broken. The fibres are sealed at the original sheet edges, not where it is cut, broken or drilled. I don't know if you can paint anything to such a cut or if it is even safe to attempt that. My own local authority will...

The foil is a vapour barrier, heating and ventilation together have a positive impact on condensation when the surface that is subject to condensation is cold is exposed like plaster. I am surprised you get condensation on the foil but if the foil is cold enough and the air next to it warmer...

Betdo, Find out if your bricks are frost resistant, if they are then no need to coat them anyway. Is the wall free standing or perhaps a retaining wall, what sort of copings has it. The more information you give the better the answer you will get.

Perhaps the undercoat has been patched if so those areas where it is patched will take longer to dry out - I would give it more time, mark the edge of the dark patch with a soft pencil so you can see if it is slowly shrinking or not.

Ian, You need a Building Contractor not a roofer. Best to let the contractor sort out the tiler.

I agree with datarebal that plenty of good tradesmen don't have a yard, but you need to speak to people where the work is finished and known to be good. Unfortunately the way some bad un's get their work is people see work in progress and ask "can you do mine" assuming they are OK! - This very...

It depends on what you mean by a big job. Like everything in construction you need a good foundation to start with so in the case of the roof you need the right structure. A decent builder should have the knowledge to do the structure before bringing in his preferred roofer. Or if a small job he...

I agree but probably only when the wind is blowing at it. If they are lucky the "felt" will carry away what gets through. It has been on for a few years now and I do wonder if any leak has occurred. The same company also failed to match the pitch of the main roof which has sprocketed eaves so...

Some time ago I posted a picture showing the contractors first roofing attempt (the lower image) with plain tiles that actually had a backfall, I though you may be interested in what some seem to get away with as the final product had tiles with maybe a couple of degrees of fall as the roof...

Anti vac traps and Air admitance valves are all one way vents into a drain to allow air in only (not air out). So if correctly functioning you will not get smells from them. Howver if either is faulty then it is possible for air to come back into the room where the valves are. The other issue...

Pretty much any arrangement that guides your tamping rail works. The cradles and scaffold tube was my favorite on commercial projects but not suitable unless you have access to lift out the tubes and finish off See...

Ah! so what looked like a row of bricks in the photo was in fact a DPC on top of the slab! - From what you describe you have elected to line the cavity with a DPM material above the concrete cavity fill and then to fill that lining (which is like a large bag) with a screed material. That is an...

Read again what I wrote. If the inner leaf of bricks is against a solid floor that does not stop you taking those bricks out! I don't see the concrete extending over the inner leaf as it looks to me like bricks in your photo. The tile or slate I described sits on the inner leaf one brick down...

To get a slope on cavity fill just put a splay cut on the end of a batten that you use to "tamp" the top of the concrete. There are many ways to close off the top of a cavity. One way would be to remove the inner course of brickwork around 75 to100 below floor level then get some tiles or...

Assuming that this is for an older house stop there. The concrete should fill to the outside gound level ideally with the concrete at the top sloped towards the outside with some weep holes in the perps to allow any water that gets into the cavity to run out. Just look up the images on the...