How To Fit Roof Valley

With a clean valley you can lay down some peel and stick roofing membrane.

How to fit roof valley. Unit run of the hip. Soup to nuts riley shows the proper way of installing a valley on a roof. This gives the angle of the hip rafter. Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof.

Masterrib is a 36 wide 5 r. Adjust the lap so that the last panel completes the coverage without making a cut lengthwise. Roof one side of the valley running the shingles across it. Shingle the other side of the valley the same way.

The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection. 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. Pre drill the holes and use 10 by 2 in 25 4 by 5 1 cm screws with polycarbonate washers. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles.

Stop nailing 6 inches from the center. Ensure ice and water protector has been installed along the valley first. In a hip roof with equal pitches the unit run of a hip or valley rafter is 17 inches for every 12 inches of run in the main roof. To prevent water passing over the upstands there should be a gap of at least 25mm between the mortar bed and the upstand.

Draw a diagonal line between 9 feet the run of the main roof on the tongue of the square and 7 feet 6 inches the secondary roof run on the blade. Fold the top over the roof ridge and cut the bottom along the drip edge metal. How to shingle a valley with architectural shingles. No sales pitch or other fluff.

Keeping all of the crowns pointing up prevents waves from marring the finished roof. Install synthetic roofing underlayment or. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Because most framing lumber is not perfectly straight i check each piece and mark the crown before i start cutting the lumber into rafters.

Continue across the roof until it is completely covered lapping over the previous panel by at least 2 5 inches 6 4 cm minimum.