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15 year old oil fired external boiler has just stopped working. The overheat button is out but will not reset. There is no red light on the burner but it runs when I switch the test switch on. Can anyone point me in the direction of what the problem may be please? Can I leave the test switch in...

Hmm. Thanks tomfe. He had a roll with him but only used it on a little piece that is wooden stud, which was obvious.

Thanks for the replies. The oak cladding is seasoned and the battens are thicker than the cladding so maybe I've underestimated the size of them. There's no breathable membrane though. Is that a definite requirement?

I have carpenters putting oak feather edge cladding on a standard cavity concrete block built extension. The cladding is going on 25mm battens. Do we need a vapour barrier of some kind, breathable felt or waterproof paper? Thanks in advance for any info.

read the first line of your signature my friend. Its taken 40 years of struggle and hard work. Now all my joints are shot so thats what I'm spending my money on. Doesn't make me a millionaire.

How weird is that? The sparky just rang1 He answered my question and put me right on not taking outdated info (16th edition) for the internet:(

I want to put wall lights in swimming pool room. The wall is 2.2 metres from the pool so its in zone c. Does that mean I can use mains voltage lights there? Its hard to find SELV wall lights let alone ones that are affordable. The work is being done by an electrician but I cant contact him til...

Thanks Nige F. I did lay it in a poly duct pipe as requested by my OFTEC QUALIFIED HEATING ENGINEER. He also told me about the 1% expansion but he's away at the moment so I thought I 'd ask on this forum which has always been very helpful in the past.

As I said, I am just putting it in a trench ready for the heating engineer who is most certainly OFTEC qualified. I'm not OFTEC qualified which is why I don't know.

Yes. Qual-oil thermoplastic.

Oh yeah, didn't think about them:(

Is there a reason why you wouldn't use plastic Terry?

i'm laying an underground plastic heating oil pipe about 25 metres long from tank to boiler. I've been told it should have an expansion loop in it. What sort of size should this be and should it be in the plastic pipe or the copper bit that is above ground? I won't be actually connecting the...

Thanks very much for putting my mind at ease, Oilhead. Plenty of head so no problem there:)

I need to lay a 25 metre length heating oil supply pipe from tank to boiler. Can i use 10mm for this length. Anyone please?

Many thanks for your help chaps, it's much apreciated. I'll take your advice Woody and investigate the PFC and unequal angle.

Thanks Woody. That sounds good. Is there any rule of thumb on the sizes or that a S E job? :(

The beam on the inner leaf is supporting a trussed tiled roof. The wall is cavity. Whatever is over he opening on the outer skin has to support the weight of the doors but as they run rollers in a track it has to be well rigid.

Ok. That's the green oak out! Any more advice please?

Sorry Noseall, when you say timber beam what size do you reckon it would need to be to give the rigidity for the doors to be reliable. I'd like to use green oak for the lintel but am I right in thinking that that might move too much?