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Hi I am planning to insulate my concrete prefab garage along with the roof using 20mm foil backed foam insulation boards. For the walls this is fine but the roof will be cement fibre big 6 corrugated sheeting. Will I need to ventilate this somehow as there will be air gaps due to the ridges...

Hi I am in the process of converting my porch flat roof into a mono pitched roof using plain concrete tiles. The existing roof is 1.8m deep and 3.8m wide. My concern is that the front 6x2" beam where all the weight will now be is only supported each end by brickwork, as the front of the...

Hi I am in the process of changing my porch roof from a flat roof to a single pitched roof and i need a bit of help as this is the first time I have done it. I am using Marley plain concrete tiles but I am struggling to get the correct overhang (38-50mm from what i can find) without cutting...

Hi im looking to start work on my pitched porch roof tomorrow and have just noticed that the batten size recommended on Marley's website (http://www.marleyeternit.co.uk/roofing/concrete-tiles/plain-tile.aspx) is 25x38mm. I have 19x38mm. Will this be adequate? or do i need to get the correct...

Hi I have an old Apollo 30/50b boiler that has worked ok for a while however recently when it is switched to the high thermostat it is making lots of strange noises. It is making fizzing sounds and generally being noisy with occasional loud bangs which it didnt before. I have already changed...