Roof Sheathing Nails Over Skip Sheathing

If the current roof sheathing has only 3 8.

Roof sheathing nails over skip sheathing.

After you strip the roof do spot repairs to the existing sheathing where needed then go right over it. 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. Note holes should not remove more than half of the sheathing section note. Although i don t think installing new plywood roof sheathing over the old would be a grave mistake.

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. Both are readily available and come in 4 8 foot sheets. 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.

It will be considerably more difficult to locate the rafters to ensure proper nail placement. If roof sheathing is cut and removed to achieve an air slot continuity and diaphragm action are affected. Nails pulled out of decking. Deformed shank i e ring or screw shank nails are required near ridges gables and eaves in areas with design wind speeds over 110 mph 3 second gust but it is typical layout of roof sheathing panels on gable end roof typical layout of roof sheathing panels on hip roof most critical area for.

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. Are recommended to avoid head pull through. 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. You ll want to use both longer sheathing nails and longer roofing nails.

It is relatively common practice to lay new sheathing over old.