Reroofing Architectural Shingles At Top Of Roof

Advantages of reroofing most building codes allow two layers of organic or fiberglass asphalt shingles on roofs with a 4 12 pitch or less and three layers on steeper roofs.

Reroofing architectural shingles at top of roof. Having said that it will be nearly impossible to get a good looking quality installation. Asphalt shingles are easy to install last anywhere from 10 to 50 years depending on the type and are less expensive than other roofing materials such as slate tile and metal. They usually come in two variants the 3 tab shingles and architectural or dimensional shingles. Many roofers recommend using laminated or dimensional shingles for re roofs because they re thicker than standard shingles and often have a staggered edge profile for looks that helps hide any dips or high spots in the old roofing.

In this video we provide details on how to install roof shingles over existing shingles. We discuss the nesting method which helps minimize an uneven appear. Architectural shingles will typically cost you 50 to 100 more per square to install than the basic 3 tab 25 year shingles. Notice that in re roofing the starter strip is an inch less in width than when installing new shingles over a fresh roof deck shown in our asphalt shingle roofing guide at asphalt shingle starter course installation that s to avoid a raised ridge and to let the new full shingle course lay flat atop the original shingles.

If the structure can support the added weight a typical 20 square 2 000 square foot reroof will cost at least 1 000 less than a tear off job. The difference in price is actually greater than the difference in the cost of materials between the 3 tab and 30 year architectural shingles. Use 1 5 or 1 75 inch roofing nails. Re roofing over architectural shingles infographic asphalt shingles are one of the most popular choices of roofing materials in the highly competitive residential roofing market filled with various options.

Depending on the width of the pipe you may need to tear away a segment or two of the rubber boot.