Reroofing Architectural Shingles At Top Of Roof

Timberline hd shingle in oyster gray about 97 per roofing square.

Reroofing architectural shingles at top of roof.

In addition to composition shingles materials may also include any necessary roofing felt underlayment ice and water shield nails ridge vent and roof flashing details such as valley drip edge gable and chimney flashing and caulk. 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. Consumer reports reveals the best roofing shingles from its comprehensive tests including 3 tab architectural and multilayered architectural asphalt shingles. 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.

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. The two pieces should meet neatly at the corners. While both types are made up of the same essential components re roofing over architectural shingle is a different case altogether.

Drive nails at high points on the underlying roof the bottoms of the shingles. At the eave and the rake install u shape drip edge flashing made for reroof jobs. After that you should tear off old shingles before installing a new layer. Install the eave piece first then the rake piece over it.

The quick answer is yes you can re roof architectural shingles over existing architectural shingles however you must check with the shingle manufacturer as well. The cost of materials for a basic 3 tab 25 year shingles could range anywhere from 150 to 200 per square for all the necessary materials. The standard practice is to limit to a total of two layers of shingles. It provides you with peace of mind knowing that you and your family are safe from rain snow hail wind heat and cold.

That s to avoid a raised ridge and to let the new full shingle course lay flat atop the original shingles. Having said that it will be nearly impossible to get a good looking quality installation. Buyer s guide to the best roof shingles 2020 april 3 2020. Re roofing with 3 tab shingles are pretty straight forward.

For a foolproof color scheme pick a roof that incorporates a shade on the house like the darker charcoal tones in the architectural shingles here which tie into the house s trim.