Onduvilla Over Exhisting Roof

Most standard roof structures.

Onduvilla over exhisting roof.

Installation is fast and efficient. Overlap ridge trim 7 inches. Fits many home styles. We have a range of lightweight roof shingles for your diy project whether renovating or building from new.

Know your town s regulations regarding roofing materials since some don t permit more than two roofing layers. 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. Apply over solid decking or up to 1 layer of shingles. Smart lightweight and efficient roof shingles.

Call 844 371 2345 to request a free evaluation and estimate for your roof. Follow the overlapping guides that are in place on shingles. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Mark the location of the top of the uncut shingle on the felt.

Use the chalk line to mark the line at that spot across the roof. Onduvilla is compatible with any size house and roof style where asphalt shingles have been installed. I ve had three hurricanes and countless numbers of bad storms with my yard being flooded with 6 20 inches of water from. The onduvilla roofing system is designed to fully replace an asphalt shingle roof.

I put ondura on my house roof over two layers of shingles 20 years ago. Position one of the uncut shingles on top of a trimmed shingle. Across corrugation with circular saw. One layer is fine in most cases.

Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Onduline s lightweight roofing systems have been designed and developed with the knowledge and expertise of roofers. Onduvilla onduvilla roofing shingles 3 5 ft x 1 33 ft ribbed red asphalt roof panel. Overlap shingles 3 5 inches.

Continue marking lines every five inches up to the roof ridge. 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. 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.