How To Lay Roofing Felt In A Valley

Begin to install roof shingles on either roof face.

How to lay roofing felt in a valley.

How to install felt underlayment for a new roof. If you need to temporarily protect a roof cover it with plastic sheeting or a tarp. Felt works just fine. Step 1 prep work.

Before laying roof felt all rotten decking must be replaced. When working with a helper expect to spend several hours to install drip edge wsu and roofing felt on a medium sized roof. Use a broad strip of felt paper. Chalk lines should be snapped 33 5 8 above the eave line.

You can center it and align it smoothly with the roof contours as you go down. Do not use felt as a temporary protection against rain. When you reach the valley lay the shingles over the valley and trim the edges to the chalk line. Check to ensure the roof is in good enough condition to walk over.

Start by overlapping a starter from both sides of the valley at the bottom. While laying felt is not an easy job it can be done by anyone who has the patience to deal with it. Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid. Lay the felt paper from the top of the roof valley to the eaves at the roof edge.

It starts with installing solid decking usually plywood or oriented. Installing a roof is much more than just nailing shingles onto some boards. Felt paper should extend at least 10 inches up each side of the roof valley so use a strip between 20 and 24 inches wide. Felt doesn t tear as easily so it s safer to walk on when you re working on steeper pitches.

Most roofing suppliers carry 15 lb. Overlap each row at least 3 to 4 inches. Start by laying asphalt felt or other underlayment over the roof. If it gets wet it will wrinkle making it harder to shingle.

The last layer should go over both sides of the roof overlapping both side covered in felt. Felt is laid on a flat roof to help keep the roofing system waterproof. The next one goes on the low side. Over driving nails is always a.

For an apex roof start at the bottom and lay it horizontal the next should overlap as in video so the water runs over the join as it runs off the roof finishing at the apex or top of roof. Install new flashing metal flashing is often called drip edge along the. After this lines should be snapped every 34 as you move up the roof. For most applications 15 lb.

Using your staple gun secure the felt to the roof. You want to lay the shingles from the bottom to the top of the valley. You can use a straight edge to achieve a straight cut. Then your first shingle goes on the side you are going to cut.

If you live in an area with inclement weather you should consider using a special ice and water protector. Start at the top. Here are simple steps to get you started.