Leave Old Felt On 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.

Leave old felt on roof.

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. The felt is the last line of defence. Above is a peel and stick mineral surfaced roofing underlayment shown during installation of a metal standing seam roof. Call for free estimates from roofing pros now.

Lay down felt and secure to roof. One disadvantage of traditional felt roofing underlayment is it generally can t be left exposed for more than a few hours. This is done to ensure a flat surface for the roof felt. 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. Find a pre screened local roofing contractor. This would impact the felt s ability to protect against moisture.

When i do a roof as with a few other boys on here it is also in my contract that a complete strip down of all old roofing material down to the sheathing to ensure that my customer gets the best possible roof for their dollar meaning if there are any current or developing problems with the sheathing they are taken care of before they become a problem. Having a layer of roof felt will block the resin preventing it from staining or compromising your roof shingles. My boys always try to sway me into leaving it no dice. Hope all goes well.

If you re going to add a roof on top of an old one it s a good idea to remove any loose shingles and apply a new layer of 30 pound roofing felt before laying the new shingles. There are several disadvantages to using felt underlayment on a roof. 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. The material may dry out or leach oils in the heat.

And as someone else posted you need to apply the ice and water to the plywood directly. I know its tempting because sometimes the shingles come right up and leave the felt nicely intact. 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. You must remove any rotted pieces of wood on the roof and replace them with your plywood planks.