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Hello, I'm designing a box gutter for my extension, and could do with some advice. The extension roof (shown in blue, only one pitch shown) is gabled. The extension wraps around the corner of the existing house, which has a hipped roof (shown in orange). I'm designing the box gutter and...

Hello, We are doing an extension, and the ground floor is a Forterra Jet Floor (concrete beams with polystyrene infill). The beams can only be supplied in 50mm increments, so in order to get the required span we end up with the beams projecting 40mm into the 100mm cavity at one end. Forterra...

Hello, I am trying to work out what order the sockets are connected in on the ring circuit in my house. I have been trying to do this by connecting the line and earth pins on a 13A plug together, plugging it into a socket (with the circuit breaker open naturally!) and then measuring the...

Hello, I'm planning to use a Cube6 suspended floor with wet UFH in my extension. They specify self levelling concrete as the structural topping. Will this give as good a final surface as liquid screed? I asked them whether liquid screed could be used instead but they just pointed me to the...

How would you scaffold in the following scenario: The one storey extension has a single pitch roof that slopes away from the house. I'm building the two storey extension, so need access to build up the common wall (arrowed) to second storey height and then do the roof. How would I...

Hello, There's a grating in my understairs cupboard, about 1m above ground level, that vents directly to the outside. Currently it's used as the tumble dryer vent (as it was when we bought the house) by the tumble dryer's hose being bolted to the grating and then the space around stuffed with...