Roof Plank Sheathing

Roof sheathing also known as roof decking is a strong layer of wood boards that are fixed to your roof s joists and trusses.

Roof plank sheathing.

The plank problem typically sheathing problems are isolated to small areas but old plank sheathing presents more of a challenge. In the first half of the 20th century roofs in missouri were built with wood shingles over planks spaced about 1 apart. Typically plank decking material is either 1 x6 or 1 x8 lumber. Zip sheathing is a pretty hot topic with some differing opinions.

The issue guertin explains is the gaps between boards. Until the 1940s exterior grade plywood was not available. If you re replacing your cedar shakes roof check out our discussion of re sheeting over skip sheathing. Call us today for a free estimate or roof inspection 206 367 7663 or fill out our contact form here.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Hello everyone i come across many roofs like this with space sheathing people that don t know about roof specs think you need to install. Never attach roof sheathing with staples. Both materials are made of.

Plank decking in older homes plank decking may have been used for the roof decking substrate. Was your roof originally built with shiplap. Roof decks on homes built before 1970 are often 1 8 fir pre plywood shiplap. Roof sheathing is usually made of either oriented strand board osb or plywood.

8d ring shank nails should be used instead. Plank sheathing usually 1 6 or 1 8 was used as a roof deck before plywood. Your roofer will attach your shingles to these squares or planks of wood. Sharp roofing is seattle s roof repair and replacement experts.

So anytime your board decked roof is torn off and you want to install composition shingles be sure to lay down solid sheathing first. Sheathing should be a minimum of 19 32 inch thick. The zip system is a structural sheathing intended for walls and roofs with an osb base and wrb weather resistive membrane which is basically a mesh that is attached to an osb sheathing panel with a paint applied. On older homes planks were often spaced for wood or slate roofs with wider exposures than the standard 5 inch tab on asphalt shingles.