Roof Sheathing Nails Over Skip Sheathing

If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected.

Roof sheathing nails over skip sheathing.

Composition and built up roofing must be applied to solid sheathing because these roofing materials do not have the structural capacity to span between the boards of open sheathing. Note holes should not remove more than half of the sheathing section note. Are recommended to avoid head pull through. Over spaced board roofs number p300c january 2006 when replacing roofing it is often necessary to cover spaced boards with a solid roof deck.

When the panels are attached over the. Nails pulled out of decking. Apa rated sheathing panels which include plywood and oriented strand board may be used for this purpose. Although i don t think installing new plywood roof sheathing over the old would be a grave mistake.

Osb or plywood over skip sheathing makes for a much stiffer roof deck resists problems with expansion better and obviously doesn t require all the hassle of removing it. You ll want to use both longer sheathing nails and longer roofing nails. If the current roof sheathing has only 3 8. It is relatively common practice to lay new sheathing over old.

3 8 plywood can also be an option though it is not an option if there is not underlying skip sheathing or shiplap because it is not strong enough as a standalone sheathing. 3 inch nails should be used during application to ensure that it connects the new sheeting skip sheathing and rafters together for a reliable hold. Both are readily available and come in 4 8 foot sheets. It will be considerably more difficult to locate the rafters to ensure proper nail placement.

Nails from sheathing to ridge board roof sheathing ridge board ridge board joist or truss joist or truss roof sheathing vent holes on each side of ridge board.