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You don't really want to expose your RSJ as it will more than likely be clad for fire protection, although it will probably only be 2 layers of plasterboard. However, it's quite overkill fixing into a steel beam for a stud wall. The head fixing to a stud is for lateral support, the length of...

This seems a bit shallow, is this depth from experience?

If i'm understanding you right i believe you are considering taking out the mortar above the door, possibly at the sill level of the stair window and sliding in a dpc or lead flashing in. I don't think it's going to help your problem as you may just chase the problem further up or along the...

pour a hot asphalt joint. if it's around 30mm. you could bed in a concrete pin kerb and asphalt joint up to that if it.s a lot bigger than 30mm

3mm cracks under stud walls are nothing that would concern a builder nor a Structural engineer. Timber shrinks, twists and warps, wait to see if it's just drying out which is normal. Unless you meant 30mm? If you can get your fingers in the cracks then you may have a structural problem. if...

Sanding without dust or damage. Probably not. Roughcast render is tough stuff, you are looking at a bolster chisel and hours upon hours of labour and the very likely chance of a big chunk of render falling off, your house will look like one of those in Afghanistan. Contact a render company...

If you are fixing into a block wall the wind/vibraion on the pergola will lift the block, over time this will break the mortar bond as it is designed to work under compression load. You should be anchoring into the ground. If you have enough wall to give you a decent weighted base then...

With or without cavity? What should be there is a cavity and within that a length of cavity tray which should direct the water out through weep holes at both ends of the lintel. This is placed directly behind and under the lintel. Could be a tricky retro fit but worth it. If it's a solid...

If it's a flat roof without ventilation then rigid foam (PIR) between joists and under draw the joists with a 25mm+vapour check plasterboard, that should be adequate, if you have the headroom under-draw with a thicker PIR, may as well whilst your at it. You are fixing through to the joists so no...

Get in touch with a brick supplier, such as Ibstock or Hanson, they can offer a matching service to their current stock of bricks. More than likely the brick you have is some sort of multi blend that has probably been discontinued. Quite often they will send the rep for the region, they...

The insulated plasterboards are generally the same spec between different manufacturers, some have PIR type insulation and some have PU insulation. the ones with PIR are marginally better so you can use a thinner beard to give you the same result as a PU insulated board. We are talking about 5mm...

Consider putting the concrete down at the bottom, DPM/barrier over this and building up in EPS70, (that's a strength of EPS not thickness), 22mm P5 chipboard flooring. Or look at Jabcore, which is an EPS that replaces the hardcore, although it does not protect from clay heave. Do you suffer...

Looks like there's some division here. However, lets add something to help you choose your preferred method. My personal experience with timber under floors, in old and refurbished buildings is that they twist, all those nicely spaced joists lift, you could strap it down to the sleeper wall...

You don't really want timber under the floor, the best way to do it is to pack out the joists over the sleeper wall with slate. Traditionally these would be bed on mortar although the modern alternative is adhesive, not the foam filled type but an epoxy. This method also acts as a damp proofing...

It's supplementary bonding, i just checked the stopcock under the sink and there's one on there. Thanks for that, I'm guessing as it's now a redundant pipe the bonding is not required.

Firstly i'd just like to say this forum is fantastic. Picked up loads of very useful info from other posts. Well done all of you. Our old terraced house was apparently updated by 'Bodger' about 20 years ago. I have just uncovered a copper water pipe which i disconnected last year to the...

The garage wall, which looks like it supports the first floor bedroom above, has exposed foundations you can see the corbelling to the base of that wall which looks like it is on the neighbours side. In a trench as it happens, with at least 2 rwp's, from the right sides house, that are not even...

The edges of the stair (stringers) sit over this beam, the end of that beam looks like it is fixed to the newel post. The small timbers are not really big enough to provide structural support so it appears they have only the function of holding the building board in place. Quite often small...

Insulated concrete forms. a cheap block with fibre/sawdust wood fill. http://www.toolbase.org/Technology-Inventory/walls/wood-fiber-composite-forms