Roof Sheathing Nails Over Skip Sheathing

You ll want to use both longer sheathing nails and longer roofing nails.

Roof sheathing nails over skip sheathing.

When the panels are attached over the. Apa rated sheathing panels which include plywood and oriented strand board may be used for this purpose. 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. 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.

If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected. 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. It is relatively common practice to lay new sheathing over old. Over spaced board roofs number p300c january 2006 when replacing roofing it is often necessary to cover spaced boards with a solid roof deck.

Although i don t think installing new plywood roof sheathing over the old would be a grave mistake. Both are readily available and come in 4 8 foot sheets. 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. Nails pulled out of decking.

Wood shingle and shake roofing is best applied over open sheathing because the spacing between the open sheathing allows the roofing to breathe from both sides prolonging its life. It will be considerably more difficult to locate the rafters to ensure proper nail placement. Are recommended to avoid head pull through. 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.

If the current roof sheathing has only 3 8.