Roofing felt is sold in rolls and the product label will give information on the area contained.
How do you install felt roofing.
Continue to lay your roofing felt onto your roof and secure it without any bubbles or wrinkles.
Divide the area of your roof by the area of the felt rolls you plan to use and allow an approximate 10 extra for waste.
How much roofing felt do i need.
If you get to the end of a roll and need to begin a new roll make sure the edge of your new roll overlaps the edge of the old roll around 4 inches.
But as with so many other projects the key lies in the prep work.
Never install the felt vertically across your roof.
Once you understand what it does and you know which one you need you are ready to lay the underlayment for your roof.
How to install roofing felt.
Hang the lower edge of the felt over the eave the part of the roof that meets or overhangs the shed s walls by about 0 5 to 0 75 inches 1 3 to 1 9 cm.
Adjust the felt as you roll it making sure that it s straight with no bubbling.
Nail metal drip edge flashing which bends over the roof and down the edge of the facing board on all roof edges.
If you take the time to properly prepare the roof then laying the felt will be easy.