How To Construct A Roof Valley Uk

The valley must then be thoroughly checked and cleared of any tile fragments or nails that may be present as these will puncture the new lead when it is fitted.

How to construct a roof valley uk.

Often people use special valley tiles that are curved to make a seamless tile roof. But the process might not be gruelling for you if you become familiar with certain important parts of it. Roof valley construction ridge tiles hip tiles roof valleys roof verges lead flashings. On the common rafters the plumb cut is marked with a framing square for a 12 in 12 pitch 45 and cut square i e no bevel.

When your roofer is epc3einingit to you you surely don. The valley tiles can be put to one side for replacing when the new lead has been installed. As i have two new roofs cutting into the old roof this would mean the creation of four valleys. The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection.

Valleys can be constructed in a number of ways using. As you install roof shingles on the second roof plane you allow them to lap over the valley on top of the first shingles. Back up the scaffold tower for yet more work on the roof. In summary during the installation of a closed cut valley you install the first roof plane s shingles into the valley.

Everything you need to know about roof repairing at least once in your lifetime you will have to go through roof valley construction. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. Valley tiles which allow the roof to be continued round corners they are special tiles which are the opposite of a hip tile really. To prevent water passing over the upstands there should be a gap of at least 25mm between the mortar bed and the upstand.

I would be laying rosemary plain tiles. They can only be used when the pitches of the two roofs are identical. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. I now had to create the valleys between the old and the new roofs.

Tiles should be cut neatly to form the required open valley width and all cut pieces must be twice fixed by combination of nailing or screwing at the head and clipping at the tail.