Overlay Roof Sheathing

For information on large panelized roof systems refer to the commercial construction application section. However this can only be done once. When you overlay a new roof you attach the new shingles or other roofing material to the existing roofing material.

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In general overlaying a new roof takes less time less labor and thus less money.

Overlay roof sheathing.

Common roof sheathing applications and installation recommendations are described in the related publications listed at right. This has advantages and disadvantages and each of those should be weighed carefully. Roof overs are usually more affordable compared to the cost of installing a completely new roof. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing.

Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks. If you want to avoid the headache of tearing up your new roof looking for a mysterious leak that should not be happening it is in your best interest to apply solid sheathing over the existing shiplap for your roofing system to securely fasten to. But you must take care to install shingles correctly so they lie flat.

No previous or existing leaks. 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. 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. And a roof with no sidewalls where flashing is needed to tie in the roofing material to the exterior walls of the home.

The best case scenario for an overlay is sound decking. 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. For a single wide costs usually range from 1 000 to 3 500. Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors.

Plywood is layers of wood plywood is made.

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