Roof Shingles Over Shingles

Good quality composite shingles can weigh 350 to 450 pounds per square 100 square feet of roofing installed.

Roof shingles over shingles.

The first thing to know about your roofing project. In a shingle over if some of the decking has buckled and warped over the years it likely isn t going to be noticed and fixed. And your family can remain in the home during the installation or repair. Thanks to digital technology all of your decisions and interactions from selecting the right roofer to choosing a shingle to paying the contractor can be done at a distance.

If the job is done correctly with the new layer of shingles laid flat over the existing shingles the old roof cushions the new one and serves as a secondary barrier should wind or water ever break through the new shingles. 2 stainguard algae protection is available only on shingles sold in packages bearing the stainguard logo. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Chances are your roof structure was designed for a dead load of one layer of shingles plus extra for snow and a safety margin.

Everything can be done at a distance. For installations not eligible for the gaf roofing system limited warranty see the gaf shingle accessory limited warranty. The shingle should also hang about a quarter of an inch over the roof edge. Products with stainguard algae protection are covered by a 10 year limited warranty against blue green algae.

Roofing second layer of shingles roofing. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Our roofing tests focus on a shingle s strength and how well it maintains its appearance over time. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.

Step 5 lay the trimmed shingles. Installing new roof shingles over old effectively doubles the weight of the. Leak around a dormer which the homeowner never knew about long term effects of shingling over shingles. How to shingle over existing shingles and how to shingle a roof how to install roof shingles shingle layout lines h.

Secure the shingle with nails one inch from each corner. The next shingle should be placed and secured beside the first one. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. With a dual layered design that emulates the dimensionality of true wood shake landmark asphalt shingles offer the heaviest weight and widest array of color options in their class allowing you to create or re create the ideal look for your home with.

For homeowners seeking true peace of mind landmark shingles are the high quality reliable choice for beautifying and protecting a home.