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Can anyone recommend how to build up a lead valley on a warm roof? The roof is to be slated with 20" x 10" spanish slate. Tile battens are to be 25 x 50mm Photo of my roof attached. (eaves trays were momentarily off when the photo was taken.) options seem to be: Fit the valley boards flush...

So my building controller says Lath and plaster ceilings do not meet the 30 min fire protection, so as part of our loft conversion we are required to insert rockwool Flexi within a galvanised steel mesh between the joists in the floor above. My LBC says since grenfell they no longer accept...

So we had our chimney rebuilt down to roof level and back up again. local brick layer did most of the work. there were many other projects happening at the time and I didn't notice till now that the lead tray doesn't seem to have any mortar.... looks very deliberate, I realise the weight of...

We're having a new roof on our renovation. building control are onboard etc. Replacement roof will have a u value of 0.16. I'm using superfoil sf40BB which is insulation foil and breather membrane in one. this should be a simple job but for my little dormers. Ive laid a couple of sheets on...

Hi, we have a victorian brick house we are converting the loft on. Ive attached our proposed floorplan. One of the issues Im having trouble overcoming is the fire planning. it appears fire engineers are like hens teeth. I literally cannot find anyone to assist who is anywhere near to me...

We are re-roofing our house... finally. We are also converting the loft (when we get to it), we have a target u value of 0.18 W/m2k for the roof. Rafters are currently 87mm x 55mm @ 400 centres, part of our structural work is to increase the rafters with a 50 x 50 batten on the underside (to...

Before I go and spank 70 notes on an energy assessor to calculate this for us. Does anyone know of a free U value calculator for a cavity wall? Building control have asked us to calculate this as part of our renovation. I'm guessing LBC will probably only accept something official...

We are planning a new roof on our house renovation, leaks badly and has been tarred countless times. Planning to utilise our top floor space, it's not really a loft conversion because it already has a structural floor and some windows, so thinking about insulating the underside of the roof...

Hoping this isn’t structural, because i would like to move it to make our loft conversion a little larger. If I kick it, it moves a fair bit. Haven’t gone in with the crow bar yet because I was hoping to find out what it is first. Is it a roof binder? It runs at 90 degrees to the floor joists...