How To Lay Roofing Felt In A Valley

While laying felt is not an easy job it can be done by anyone who has the patience to deal with it.

How to lay roofing felt in a valley.

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. Installing a roof is much more than just nailing shingles onto some boards. Nail down each valley shingle at least two inches 50 mm back from the chalk line. You want to lay the shingles from the bottom to the top of the valley.

Start by laying asphalt felt or other underlayment over the roof. If you live in an area with inclement weather you should consider using a special ice and water protector. If it gets wet it will wrinkle making it harder to shingle. Lay the felt paper from the top of the roof valley to the eaves at the roof edge.

Start at the top. Chalk lines should be snapped 33 5 8 above the eave line. When working with a helper expect to spend several hours to install drip edge wsu and roofing felt on a medium sized roof. Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid.

Start by overlapping a starter from both sides of the valley at the bottom. You can center it and align it smoothly with the roof contours as you go down. For most applications 15 lb. The next one goes on the low side.

After this lines should be snapped every 34 as you move up the roof. Check to ensure the roof is in good enough condition to walk over. Felt is laid on a flat roof to help keep the roofing system waterproof. Weave and cut the valley on the highest side of the roof.

Felt if you plan to leave the paper exposed for more than a couple of days because it wrinkles less then 15 lb. Install new flashing metal flashing is often called drip edge along the. Use a broad strip of felt paper. It starts with installing solid decking usually plywood or oriented.

Step 1 prep work. Begin to install roof shingles on either roof face. Do not use felt as a temporary protection against rain. Overlap each row at least 3 to 4 inches.

You can use a straight edge to achieve a straight cut. Most roofing suppliers carry 15 lb. Over driving nails is always a. Using your staple gun secure the felt to the roof.

The last layer should go over both sides of the roof overlapping both side covered in felt. How to install felt underlayment for a new roof. Felt doesn t tear as easily so it s safer to walk on when you re working on steeper pitches. If you need to temporarily protect a roof cover it with plastic sheeting or a tarp.

Here are simple steps to get you started. When you reach the valley lay the shingles over the valley and trim the edges to the chalk line. Before laying roof felt all rotten decking must be replaced.