Snap a chalkline 32 inches above the top edge of the wsu or use the lines on the felt as guides.
Lines on roofing felt.
After this lines should be snapped every 34 as you move up the roof.
I used this for the felt below the roofing on my new shed.
The roofing felt should be applied in layers that overlap.
The bottom of the second course of felt should be on top of the first course so that any moisture will flow over the layers of felt.
Lightly scratch a vertical line on the surface with the rear of the blade to mark the length of your shed plus the front and rear overlaps.
Scratch a line between the two marks to create a vertical guide for your cut.
Mark the same at the other end of the roll.
Wind driven rain or snow can trap water under your shingles putting your roof deck and inner residence at risk of moisture.
Overlap felt courses at least 4 inches.
Use the lines printed on the felt as guidelines for lining up the courses.
Align this layer with the bottom of the roof.
Also called roof felt or builder s felt overlapped tar paper creates a water barrier that is your home s last line of defense against the elements if your shingles are damaged by wind hail or.
Starting a roof with tarpaper felt.
Chalk lines should be snapped 33 5 8 above the eave line.
I especially appreciate the pre made lines on it that makes it very easy to line up your other pieces.
Setting the roll and then nailing off.
Item 656632 model 0903000.
Roll out a few feet of felt and align the edge of the felt along the rake and the first course.
If you use the lines as guides for installing shingles measure up from the drip edge to confirm that you stay parallel.
It went down easily.
In northern climates ice or snow dams are another common.
Have a helper ready to assist with this step and take care to get the lines straight and clean.
This video walks through the very basic steps for installing tarpaper felt.
Overlay a second layer of felt 2 to 3 inches and fasten it through the overlay so it secures the top of the felt underneath.
It provides backup protection in the event of ice or water damage.
Unroll your felt onto a flat surface.
Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.
Remember to leave a 2 overlap.
Snap a chalk line the.
