Know your town s regulations regarding roofing materials since some don t permit more than two roofing layers.
Onduvilla over exhisting roof.
Parallel to corrugation with utility knife.
The uncut shingle should hang a quarter of an inch over the roof edge.
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.
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.
Onduline s lightweight roofing systems have been designed and developed with the knowledge and expertise of roofers.
Onduvilla is compatible with any size house and roof style where asphalt shingles have been installed.
We have a range of lightweight roof shingles for your diy project whether renovating or building from new.
Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
Installation is fast and efficient.
One layer is fine in most cases.
The onduvilla roofing system is designed to fully replace an asphalt shingle roof.
Call 844 371 2345 to request a free evaluation and estimate for your roof.
Follow the overlapping guides that are in place on shingles.
Position one of the uncut shingles on top of a trimmed shingle.
Fits many home styles.
Apply over solid decking or up to 1 layer of shingles.
Overlap ridge trim 7 inches.
Mark the location of the top of the uncut shingle on the felt.
I put ondura on my house roof over two layers of shingles 20 years ago.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
Onduvilla onduvilla roofing shingles 3 5 ft x 1 33 ft ribbed red asphalt roof panel.
Overlap shingles 3 5 inches.
Smart lightweight and efficient roof shingles.
Across corrugation with circular saw.
Continue marking lines every five inches up to the roof ridge.