Old Asphalt Roof

Labor itself averages 300 to 500 per square and 4 500 7 500 for a 1 500 square foot roof.

Old asphalt roof.

Call for free estimates from roofing pros now. In most states you re only allowed to have 2 layers of shingles on a roof for fire safety reasons. Asphalt shingle roofing costs 2 000 to 10 000 for installation and materials. Find a pre screened local roofing contractor.

Adding new roofing over old sometimes called a re roof is possible only with asphalt shingles also called composition shingles. Let the first coat dry for 3 4 hours and then apply the second coat. You can t do it with wood or slate for example and you should never mix materials such as laying asphalt shingles over cedar shakes. To vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. In fact if an existing roof deck the structural surface beneath the roofing system is in good condition new asphalt shingles can even be installed over older shingles reducing the need and cost of a tear off of the old roofing. Silva brothers crew member garrett deblois takes a prybar to 22 year old asphalt roof shingles at the manchester by the sea project house which had begun to leak. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.

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. What it costs a new 3 250 square foot roof can range from 6 500 to more than 20 000. Longer lasting options tend to range higher between 11 000 and 14 000. The roofing crew uses a red ripper roofing demolition tool to pry up cap shingles which are collected in a plastic bin along with old boot flanges and any loose shingle tabs.

However you ll still see roofs that have 3 or 4 layers today. Saving your old asphalt shingled roof doesn t get any easier or better than this. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Like i said before a nail over reroof is the process of laying nailing a new asphalt roof over the top of your old asphalt roof.

But before we get started one thing must be clear. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.