Onduvilla Over Exhisting Roof

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.

Onduvilla over exhisting roof.

Use the chalk line to mark the line at that spot across the roof. I ve had three hurricanes and countless numbers of bad storms with my yard being flooded with 6 20 inches of water from. Call 844 371 2345 to request a free evaluation and estimate for your roof. 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. One layer is fine in most cases. 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. Before you reshingle a roof read our step by step guide for adding new shingles over old ones.

Most standard roof structures. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. 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. Follow the overlapping guides that are in place on shingles.

We have a range of lightweight roof shingles for your diy project whether renovating or building from new. Across corrugation with circular saw. Apply over solid decking or up to 1 layer of shingles. Continue marking lines every five inches up to the roof ridge.

Onduline s lightweight roofing systems have been designed and developed with the knowledge and expertise of roofers. Parallel to corrugation with utility knife. Mark the location of the top of the uncut shingle on the felt. Overlap ridge trim 7 inches.

The uncut shingle should hang a quarter of an inch over the roof edge. Fits many home styles. Smart lightweight and efficient roof shingles. Know your town s regulations regarding roofing materials since some don t permit more than two roofing layers.

Overlap shingles 3 5 inches. Onduvilla onduvilla roofing shingles 3 5 ft x 1 33 ft ribbed red asphalt roof panel. Installation is fast and efficient.