Onduvilla Over Exhisting Roof

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.

Onduvilla over exhisting roof.

Smart lightweight and efficient roof shingles. We have a range of lightweight roof shingles for your diy project whether renovating or building from new. Mark the location of the top of the uncut shingle on the felt. Onduvilla onduvilla roofing shingles 3 5 ft x 1 33 ft ribbed red asphalt roof panel.

The onduvilla roofing system is designed to fully replace an asphalt shingle roof. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. 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.

Across corrugation with circular saw. I ve had three hurricanes and countless numbers of bad storms with my yard being flooded with 6 20 inches of water from. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Overlap ridge trim 7 inches.

Onduvilla is compatible with any size house and roof style where asphalt shingles have been installed. Follow the overlapping guides that are in place on shingles. Use the chalk line to mark the line at that spot across the roof. Position one of the uncut shingles on top of a trimmed shingle.

One layer is fine in most cases. I put ondura on my house roof over two layers of shingles 20 years ago. Know your town s regulations regarding roofing materials since some don t permit more than two roofing layers. Onduline s lightweight roofing systems have been designed and developed with the knowledge and expertise of roofers.

Overlap shingles 3 5 inches. Apply over solid decking or up to 1 layer of shingles. Parallel to corrugation with utility knife. 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.

Most standard roof structures. Call 844 371 2345 to request a free evaluation and estimate for your roof. Fits many home styles.