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It's an 1860's cottage with highly variable bricks, no apparent dpc and tiles on earth floors (now removed). At least the walls have had some chance of drying with no floors or plaster for 6 weeks. :?

All general guide lines I've seen give approx 9 months for a solid 9" wall to dry out so I guess that gives time for corrosion and it was certainly damp to start with. Interestingly we have plastic knock-out boxes in our present house (approx. 27 years old) but never seen them anywhere else...

No, not underground. Just up the wall and in. :)

In the damp cottage we are doing up, we have been recommended to put Isola Platon Plaster Base membrane on the walls and then plaster over it. This membrane has shaped indentations that allow the plaster to grip onto it. This is along with the new floor with dpc and the injected dpc that is...

We are having the electric meter moved from inside the house to gain space and it is going on an outside wall. The CU will be inside, just under the ceiling. The intention is to run the tails and earth inside conduit from the outside surface mount meter cabinet, up the wall and in behind the...

The house we are doing up has damp walls and will be rewired after dpc has been injected and new floor and dpc laid. The damp man has advised that plastic capping and plastic knock-out boxes should be used downstairs as the damp will cause corrosion of galvanised stuff due to salts in the...

I am doing the calculations for all the radiator sizes for the house i'm fitting CH in. I understand all the basic calculations but what do I do about the doorway size opening between the lounge (21 degC) and the kitchen (18 degC) (no actual door). Is there a U factor for openings? As the...

OK, thanks, I'll go find a Corgi! :)

No, not tried to find someone yet - good point. Don't know oven size yet, hob will be 8 to 9Kw I think.

I am installing a new combi boiler rated at 39.6 Kw (135115 BTU/hr) gross input. This will be fed through 10.5 m of gas pipe with a gas cooker and hob teeing off after 6m. Are there any Corgis out there who can advise whether I should be going for 28mm pipe for all or some of the run? I will...

Sorry for delay, been away. The isolator switch in Bridgnorth property has now been fitted, I don't believe that any charge has been involved but am checking. The NPower phone number for the department concerned is 0191 210 7077. I don't know whether thius is regional or not. :D

In the East Midlands I said I wanted to replace the CU and they said OK and sent me the form that electricians use to request an isolator. I filled it in, they fitted it. In Bridgnorth, Shropshire it took many phone calls to find who to talk to which was finally a bit of NPower. I said I was...

Bridgnorth, Shropshire, which as far as I understood used to be Midlands Electricity board, now Aquila, although whether I'm right in refering to this as West Midlands, I'm not sure (The house I'm working on is there, I don't live there!) :?

In the west midlands, it is NPower (metering) that fitted the Isolator for me rather than Aquila (supplier). :wink:

Get the metering company to fit it? :?

You can turn it off for as shorter time as you want - no need to wait. It should not affect your boiler or radiators at all as they are a separate system, unless you have a combi boiler (no immersion tank) and I can't comment on what a combi boiler will do if you try and run hot water from it. :)

I am doing a complete heating installation in a 2 bed cottage and a combi system boiler looks very attractive - particularly from the CH and DHW installation front! The one I'm looking at is a Halstead Ace High has a flow rate of 13 L/min at 35 deg. C rise and is about the highest in this range...

It was built about 1860 and I've already taken out the gas lamp pipes, original black wiring and later but still old rewire in T+E. As for Safeplates, this sounds just the job, particularly as the joists are already notched from the previous wiring. Are Safeplates an actual product? If so...

At the start of this thread, the Screwfix SDS drill was mentioned at £29.99. Now this is a completely third hand recommendation but it came well recommended from a Pro plumber on a 'Wear it out and throw it away' basis where he could wear out two of them and still cost less than a good one. It...

I'm rewiring an old cottage where the joists have been exposed as a feature and plasterboard is being fitted between the joists which only leaves 50mm between the ceiling and the floorboards. The regulations require unarmoured cables run through the joists to be 'at least 50mm from top or...