I mark the shingle where the valley center crosses the top edge and i mark the roof at the top outside corner of the shingle.
How to roof a house with a valley.
To start each course drive a.
Roof one side of the valley running the shingles across it.
Only nail at the edges with only enough nails to.
2 place the flashing in the valleys of the roof where two sections create a valley.
No sales pitch or other fluff.
Fold the top of the flashing over the ridge and nail it off every ten inches or so along the outer edge of the flashing now this valley will carry water off the roof and away from the house.
Masterrib is a 36 wide 5 r.
To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch overlap.
Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.
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.
Shingle the other side of the valley the same way.
Install self stick underlayment under the metal flashing.
Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof.
Then starting at the base of the.
Cover the roof above the underlayment with roofing felt paper.
Use roofing nails spaced 12 inches 30 cm apart extending 1 4 inch 6 5 mm to 3 8 inch 1 cm beyond the edge of the roof over the felt paper.
Stop nailing 6 inches from the center.
To secure the roof valley flashing nail it down carefully.
If you need more than one flashing in.
Ensure ice and water protector has been installed along the valley first.
How to roof a house cover the roof with felt paper.
Mount drip molding around the perimeter of the roof.