The next one goes on the low side.
How to lay roofing felt in a valley.
Start by laying asphalt felt or other underlayment over the roof.
Start by overlapping a starter from both sides of the valley at the bottom.
It starts with installing solid decking usually plywood or oriented.
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.
Felt works just fine.
Using your staple gun secure the felt to the roof.
Nail down each valley shingle at least two inches 50 mm back from the chalk line.
You can use a straight edge to achieve a straight cut.
If you live in an area with inclement weather you should consider using a special ice and water protector.
Overlap each row at least 3 to 4 inches.
You can center it and align it smoothly with the roof contours as you go down.
Step 1 prep work.
When working with a helper expect to spend several hours to install drip edge wsu and roofing felt on a medium sized roof.
Weave and cut the valley on the highest side of the roof.
Do not use felt as a temporary protection against rain.
Over driving nails is always a.
When you reach the valley lay the shingles over the valley and trim the edges to the chalk line.
Felt if you plan to leave the paper exposed for more than a couple of days because it wrinkles less then 15 lb.
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.
How to install felt underlayment for a new roof.
You want to lay the shingles from the bottom to the top of the valley.
Check to ensure the roof is in good enough condition to walk over.
Most roofing suppliers carry 15 lb.
If you need to temporarily protect a roof cover it with plastic sheeting or a tarp.
Installing a roof is much more than just nailing shingles onto some boards.
Install new flashing metal flashing is often called drip edge along the.
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.
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.
Before laying roof felt all rotten decking must be replaced.
Begin to install roof shingles on either roof face.
Drip edges on the eaves any valley liners and all flashing should be installed before the tar paper is laid.
Then your first shingle goes on the side you are going to cut.
Chalk lines should be snapped 33 5 8 above the eave line.
For most applications 15 lb.
Here are simple steps to get you started.
Start at the top.
While laying felt is not an easy job it can be done by anyone who has the patience to deal with it.