Roof Plank Sheathing

Was your roof originally built with shiplap.

Roof plank sheathing.

Call us today for a free estimate or roof inspection 206 367 7663 or fill out our contact form here. Roof decks on homes built before 1970 are often 1 8 fir pre plywood shiplap. If you re replacing your cedar shakes roof check out our discussion of re sheeting over skip sheathing. The typical thickness range for sheathing is 3 8 to 3 4 inch.

The plank problem typically sheathing problems are isolated to small areas but old plank sheathing presents more of a challenge. Again if this type of decking is discovered during the tear off of the roof shingles a thorough inspection must be made to make sure that it is in good overall condition and that the gaps between the individual. What s roof sheathing made of. Sharp roofing is seattle s roof repair and replacement experts.

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. 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. Plank decking in older homes plank decking may have been used for the roof decking substrate. Zip sheathing is a pretty hot topic with some differing opinions.

Both materials are made of. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. In the first half of the 20th century roofs in missouri were built with wood shingles over planks spaced about 1 apart. Sheathing should be a minimum of 19 32 inch thick.

Your roofer will attach your shingles to these squares or planks of wood. Roof sheathing is usually made of either oriented strand board osb or plywood. So anytime your board decked roof is torn off and you want to install composition shingles be sure to lay down solid sheathing first. Never attach roof sheathing with staples.

The issue guertin explains is the gaps between boards. Typically plank decking material is either 1 x6 or 1 x8 lumber. Plank sheathing usually 1 6 or 1 8 was used as a roof deck before plywood. Until the 1940s exterior grade plywood was not available.