For re roofing over tectum keep in mind that tectum can soften as it ages.
Tectum roof deck problems.
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If you are experiencing leaks at your building chances are your roof is in need of attention.
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We have a roll roof of some sort on top.
Tectum iii e ns roof deck tectum composite panels tectum iii e and ns use a code recognized sheathing 7 16 osb as the top surface.
So in the end i don t know that it makes a difference but it could.
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When the weather is warm and pleasant your deck may be one of the most popular areas of the home.
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Shingles can be attached with nails appropriate for the applied sheathing.
Fortunately many common deck problems have simple solutions that can keep your deck looking great so you can enjoy the outdoors as much as possible.
Tectum decking visible from the inside too like your photo shows but several tectum panels around the perimeter are suffering water damage and rot.
So would it be possible to pull up the roll roofing in some areas replace the affected tectum with replacement panels and then re roll those few areas.
However the roof membrane you install over the tectum will likely make this a moot point though it is certainly possible to lose the roofing system and not the roof deck in a hurricane.
Standard roofing nails are used for attachment of shingles to these panels.
But because decks are exposed to the elements they can quickly deteriorate and wear down.
