Plank Sheathing Roof

There are basically 3 types of common roof decking.

Plank sheathing roof.

What s roof sheathing made of. If your home was built prior to 1970 there is a good chance it will have board sheathing. This is the material that your roofing shingles are nailed to. Roof decks on homes built before 1970 are often 1 8 fir pre plywood shiplap.

Figure 7 this newer roof had been installed with little thought given to proper deck repairs. Without a good solid roof deck in which to nail the shingles problems are sure to arise when the first big windstorm occurs. As the boards to do the roof deck were manufactured here in the northwest it was still more economical than plywood through the 60s. In the first half of the 20th century roofs in missouri were built with wood shingles over planks spaced about 1 apart.

Until the 1940s exterior grade plywood was not available. Exterior grade plywood was not available until the 1940 s. The issue guertin explains is the gaps between boards. Your roofer will attach your shingles to these squares or planks of wood.

Plank sheathing usually 1 6 or 1 8 was used as a roof deck before plywood. Roof sheathing also known as roof decking is a strong layer of wood boards that are fixed to your roof s joists and trusses. Can a roofer determine the state of my decking before starting the roof replacement. The plank problem typically sheathing problems are isolated to small areas but old plank sheathing presents more of a challenge.

What is roof sheathing. Roof sheathing is usually made of either oriented strand board osb or plywood. Since the boards used for shiplap were manufactured here in the pacific northwest it was still cheaper than plywood up through the 1960s. Without these many of the nails used to install the shingles will fall between the sheathing and the first wind storm will blow your shingles off.

If you have spaced or plank sheathing osb or plywood will need to be added to completely cover the roof.