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thanks. alastair.

hope someone can give advice, had new roof with breathable felt fitted and need to insulate 1st b4 vapour barrier etc. roof battens are 4"x2" but insulation is 4". need to make battens deeper so there would be a 2"air gap between roof and insulation. whats the best way to fit new battens...

can anyone help. want to put mains wired smoke / heat detector up in loft. only used for storage/ minimal use can anyone tell me which is best as theres an optical type and a heat type any real difference. think smoke type best but ant advice welcome. cheers in advance

all sorted cheers. supply was a tns,

earth is from sheath on incoming supply cable to small earth jb then one of to gas meter one off to consumer unit . the rcd has following writing 63a has 2pol next to this and 0.03a. sorry at this moment unable to get photo sorted out. if any probs ill get someone out. at moment consumer unit...

just a bit of advice if possible. changing old consumer unit to a new type which has a built in rcd. already have a separate rcd in circuit before consumer unit. is it okay to have 2 rcds in or do i have to get rid of the seperate one? cheers