Onduvilla Over Exhisting Roof

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Onduvilla over exhisting roof.

Onduvilla is compatible with any size house and roof style where asphalt shingles have been installed. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Use the chalk line to mark the line at that spot across the roof. Overlap shingles 3 5 inches.

Know your town s regulations regarding roofing materials since some don t permit more than two roofing layers. 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. Installation is fast and efficient. I ve had three hurricanes and countless numbers of bad storms with my yard being flooded with 6 20 inches of water from.

Across corrugation with circular saw. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. The uncut shingle should hang a quarter of an inch over the roof edge. 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.

Smart lightweight and efficient roof shingles. Continue marking lines every five inches up to the roof ridge. Parallel to corrugation with utility knife. Most standard roof structures.

Since they can be laid over existing asphalt shingles they re a relatively easy product for most roof installers to lay which also eliminates the labor to remove original materials. I put ondura on my house roof over two layers of shingles 20 years ago. Fits many home styles. The onduvilla roofing system is designed to fully replace an asphalt shingle roof.

Overlap ridge trim 7 inches. We have a range of lightweight roof shingles for your diy project whether renovating or building from new. Apply over solid decking or up to 1 layer of shingles. Before you reshingle a roof read our step by step guide for adding new shingles over old ones.

Onduvilla onduvilla roofing shingles 3 5 ft x 1 33 ft ribbed red asphalt roof panel. Position one of the uncut shingles on top of a trimmed shingle. Onduline s lightweight roofing systems have been designed and developed with the knowledge and expertise of roofers.