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Whatever space you're spanning, you need to choose the correct sized timbers for the distance relevant to the centres/spacing https://www.timberbeamcalculator.co.uk/en-gb/span-table/floor-joists?load=1.5&class=C16 Dwarf walls reduces the span and thus reduces the size of timbers required.

If you convert a garage into a living space, if it's attached to the house, you need building regs, A concrete block, cavity, and brick outer wall would normally have 60mm Kingspan insulation. Medium density blocks would have 50mm. Floors would have 100mm. So yes, put kingspan between the...

Ok you need building regulations. So the walls, ceiling, and floor needs insulated to current regs. Competent builders should be aware of the regs in the Approved Documents. If they don't, keep clear of those ones. Your plan should indicate how many and where electrical sockets etc.. and the...

Multitool the laminate so the gap is wider.

Well 10mm is the standard, you could pick any perp size you want. Old terraced houses with 80mm bricks were often rubbed together giving barely 3 to 4 mm beds and perps. 30mm is a bit extreme, maybe not visually pleasing to most but not a safety issue.

The design I always do is having the DPM's and DPC turned up onto the same brick. Full fill cavity should be banned, you should always have a 50mm clear cavity in my book. Bridging the DPC across the cavity means you're going over an opening, otherwise, don't do that. The reason why the lean...

Well, it's not the best. One of two things - 1 - Ask him to redo it, will it be any better? 2 - Mist coat emulsion it, fill and sand down. Get him to pay for the decorator to sort.

There are no laws or standards in relation to room sizes, hence why new builds are like chicken huts.

Rising damp is from one of three things - 1 - No Damp Proof Course (DPC) 2 - Perished DPC 3 - Ground level or bridging over the DPC Whichever one of those it is, needs remedied. So does the concrete floor bridge the DPC?

I would be inclined to remove the wood and repair the brick at either side of the arch, then remove all the bricks below the arch.

Nothing structurally wrong with 30mm perps. Perps are normally 10mm because half a brick 102.5mm, plus, 10mm perp, plus, half a brick 102.5mm again is the length of a brick 215mm. Minimum bond is 1/4 brick, which you still get with 30mm perps. Visually, 30mm is not pleasing on the eye. If the...

Anything waste pipe related is covered by building regs. Even if you change the toilet and want to shorten or lengthen the 4" waste pipe to the stack, you should apply for building regs, I kid you not. And when you do that, you will have the perfect chap on site to ask when he lands from...

As many as you want, as long as each layer is adhered well to the previous layer.

Any changes to the soil stack etc.. are covered in the building regs, so you require building regs to do the changes you propose. So you will find that building control are best to advise you, you can also read the details in the relevant regs section. Technically, even fitting a new bathroom...

https://www.diynot.com/diy/threads/making-holes-in-no-fines-concrete-walls.487267/

Paint strength is paint strength, the toughest probably being acrylic eggshell. But the problem you have is, the blown vinyl will rip if bashed irrelevant of the paint because the molecules in the blown vinyl don't magically alter and become tougher because of the paint coating. If I whacked...

MDF is often used on the risers and treads because solid wood tends to dry out and creak. Plus, because they're covered in carpet, MDF risers and treads are ideal. Never nail carpet gripper to the risers, use screws as hammering nails weakens the joints, thus creaking appears. The stringers are...

The likes of SBR and PVA should be watered down with a minimum 50% water. This is usually to change a high suction background to a low suction background. This stops the background from sucking out too much water from the plaster, paint, self leveller etc.. Take it off and start again.

So you are wanting the specialist knowledge and specialist know how free-of-charge to repair a Victorian Tiled Floor. Tradesman invest their time and money to do such work in order to make a living, pay the bills and feed their family, and home homers want it free-of-charge? Good luck in your...

Insulated boards stick to dot and dab, insulated boards and boards with the silver vapour barrier do not stick to dot and dab. So if you want boards with a vapour barrier, stud wall it is.