Leave Old Felt On Roof

Lay down felt and secure to roof.

Leave old felt on roof.

The felt is the last line of defence. This would impact the felt s ability to protect against moisture. I know its tempting because sometimes the shingles come right up and leave the felt nicely intact. Above is a peel and stick mineral surfaced roofing underlayment shown during installation of a metal standing seam roof.

My boys always try to sway me into leaving it no dice. Call for free estimates from roofing pros now. You must remove any rotted pieces of wood on the roof and replace them with your plywood planks. Find a pre screened local roofing contractor.

It looks as if the installer of asphalt roof shingles still visible at below right but now worn out may have placed roofing felt on top of a still older wood shingle roof. There are several disadvantages to using felt underlayment on a roof. Use the hammer s claw and the stanley knife to rip away the bulk of the felt then the screwdriver and the claw to pull out the old clout nails. When to use roof underlayment no matter what type of asphalt shingle you are using whether traditional or more robust styles such as under premium designer architectural and performance shingles it is recommended to use a underlayment.

Hope all goes well. One disadvantage of traditional felt roofing underlayment is it generally can t be left exposed for more than a few hours. Having a layer of roof felt will block the resin preventing it from staining or compromising your roof shingles. The material may dry out or leach oils in the heat.

The old felt should be stripped off and the boarding aswell so you have a clean service for rubber or you can primer for a fibreglass roof. But if the felt roof is done with good thickness high performance felt it should last a long time depending on when it was done. Also you will need to remove any old felt on the roof as well as any nails or roof staples. Sweep the roof clear of grit and dirt to avoid poking holes in the new felt.

Photo courtesy galow homes. So if your contractor is not recovering your old roof with new felt you are not getting a reroof. This is done to ensure a flat surface for the roof felt. The 20 30 40 50 yr designations on your shingle type only refers to the length of time ther manufacturer anticipates the shingle will resist the sunlight weather.