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How about https://www.seaware.co.uk/brass-hit-miss-vent.html

Use a diamond drill bit. up to about 8mm a solid type bit and 10mm and above a core bit. e.g. for 6mm https://www.screwfix.com/p/erbauer-diamond-tile-drill-bit-6-x-67mm/51908

Check that "bolt" on the pipe. It could be what is called a nipple that has two male ends with one end screwed into a socket. The adapter some-one showed is only for converting a large thread down to a small thread The "barrel" some-one posted will work if the male thread you have is fixed...

See also https://www.bcprofiles.co.uk/everbuild-203-accelerator-frostproofer-5-litre/?

OPC is not corrosive to copper pipes. The reason for sleeving is to allow a pipe to slip through a hole dues to expansion and contraction, long lengths of tube should always be sleeved as the the sliding through mortar will actually wear away the pipe. Short lengths have been cemented in for...

It sounds OTT for a footpath to the front door, Assuming it is not also being driven over. For slabs I put down a consolidated hardcore base - depth may vary as just looking for a decent subsoil but usually 3 or 4 inches is enough. I then lay slabs on a full bed of sharp sand with just a bit of...

Any hardsurfaces outside that run back to the house walls without suitable drainage will aggrevate or maybe even cause your problem. Blocked drainage is a serious issue and needs to be resolved, that can include a CCTV of drains to make sure they are not broken and leaking elsewhere. Adding dyes...

That must be even before my time. But for what it is worth, I usually pop a 6mm hole through first for two reasons, the first is because I can then drill the big hole from the outside to avoid spalling the brick and the second is to make sure the hole is where I expect it to come out. As for...

You are best to post the information of the motherboard i.e. model and revision (if applicable). Or search for it yourself and get the manual for it.

Would love to see a photo of the installation. The OP has not said exactly what it is that the SE and BCO are now asking for. Full bearing on a cavity wall means to me the padstone bears across both leafs of the wall fully and as you would expect from a cavity wall there is a gap between the...

I have been on projects where mortar has been coloured by the use of additives such as Cementone Powder Cement Colour. Trying to match the colour is going to be trial and error in the same way old paint mixing was. Mix a batch, wait for it to set and dry out and then you have the finished...

Its a long time since I bought a house, so just wondering if that is the report commissioned by a mortgage lender. If so it may be worthless to the OP. The law on such surveys was that as there is no contract between surveyor and buyer it cannot be relied upon if wrong. No idea it that is the...

That Gatelock version has a chamfer on the bottom that minimises the risk of it being levered off, If you had a old ruined chisel yours might lift if driven into the gap because the bottom of the cap appears flat

Similar to http://www.gatelock.co.uk/?product=gatelock-x-6 and if so destructive removal is the only way. Then fit some new collars or caps on re-instatement. Assumming (Dangerous I know!) the pin is the same diameter as the one below, grinding off the side of the cap until it is loose is what I...

I am not familiar with those at all, however I don't see why you should have any concerns different to any other concrete product. So long as whatever reinforcement in them has not started to corrode and blow off bits of concrete they should be fine. Since concrete is poor in tension and...

As a temporary solution it is fine it may be long term too. If the ply is external quality it should be perfectly OK to leave it like that. The only negative reasons for wood are that unventilated it would be susceptible to rot.

Looks like someone has just faced up the old pointing - I seriously doubt any raking out was done except to dust off the old surface!!

I meant just put membrane and chippings back. No concrete at all. If you have other relevant information please advise. i.e. Is the house on a hillside, Did rainwater use to run across the concrete up to the house? If you have any concerns that the foundations are really shallow then just dig a...

That gully on the corner and the drain to it would be suspect. While a CCTV is very useful it may not reveal if the branch to the gully if there is one is the issue and unless the survey is cheap enough you may be better digging up the corner to do a visual inspection followed by repair if...

Quite so, you need to read the literature on it because it should not be used where that is likely. It even bans construction traffic from it after it is laid and I think we all know why that is! Edit: I am quite sure it has a lifespan as just dust slowly building up will eventually clog it...