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Hi, Our house is fitted with interlinked BRK mains-power battery backed-up smoke alarms (BRK 660MBX). Now I need to replace one of them, but it turns out that make of alarms is no longer available. If I replace one of the alarms with similar part (kidde firex KF20) will I have problems with the...

Thanks for the replies - it's very helpful. The bolts are specified as grade 8.8 - I guess we can use load indicating washers

Hi, we'll be installing three steel beams for loft conversion soon & I have few questions to ensure we follow the best practice: 1) Corrosion protection We're planning to have the steel (S355) painted with zinc primer - is that sufficient? 2) Fasteners (for spliced beam) What type will be...

thank you for the replies - we'll make sure our trench is no deeper than their foundations. Their extension was built 6 yrs ago so the foundations depth should comply with the current building regulations. We won't be able to use their wall as our extension will have different height & roof...

Hi, we're planning to build single storey extension next to the boundary. Our neighbours (semi-detached) already have extension on the other side - with the wall 4'' from the boundary and the foundations on the boundary. We'll be digging our trench right up to their foundations and probably to...

Hi, my gas boiler (Conventional with cylinder and tank) trips the RCD in the electical system when the switch for the time controller is turned on, even though the boiler itself is not working. The electric heater works OK. Does anyone know what could be the issue & do I need to call a...

Hi, I have the lamp holder shown in the attached picture in the bathroom. I believe it’s called “batten lampholder”. Does anybody know if it’s safe to use that in bathrooms. Is there any type of shade that can be fitted so that the lamp is not exposed? Thanks...