Overlay Roof Sheathing

This has advantages and disadvantages and each of those should be weighed carefully.

Overlay roof sheathing.

No previous or existing leaks. And a roof with no sidewalls where flashing is needed to tie in the roofing material to the exterior walls of the home. Of course the total cost can vary based on many factors such as your location the roofing material and whether or not additional insulation is installed. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones.

In this video i take show how to proper recover an old roof and make it look like it s a single layer check it out you might find useful tips for your new. Plywood is layers of wood plywood is made. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. For a single wide costs usually range from 1 000 to 3 500.

If you don t take your roof down to the sheathing you will never know if you have proper underlayment or are experiencing sheathing rot or ice or water damage. But you must take care to install shingles correctly so they lie flat. Common roof sheathing applications and installation recommendations are described in the related publications listed at right. However this can only be done once.

For information on large panelized roof systems refer to the commercial construction application section. When you overlay a new roof you attach the new shingles or other roofing material to the existing roofing material. Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors. In general overlaying a new roof takes less time less labor and thus less money.

Roof overs are usually more affordable compared to the cost of installing a completely new roof.