Old House Roof Sheathing

If your home was built prior to 1970 there is a good chance it will have board sheathing.

Old house roof sheathing.

We plan to replace the roofing on our 100 year old house with architectural asphalt shingles that can stand up to the occasional hurricane we get around here. This synthetic layer which replaces felt paper covers the entire roof deck and is the second line of. Box out light fixtures. Sheathing works with other components of the roof as well.

A narrow row of. 8d ring shank nails should be used instead. Follow this old house online. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

A self adhesive membrane applied along the roof s perimeter from the eaves up. Sheathing is installed over multiple trusses rafters so it essentially turns them into one cohesive unit instead of individual structural members. Roy gingrich of ellicott city has a 40 year old house with an asphalt shingle roof surface. For more roofing facts and information please see our seattle area roofing faq.

Unless you re using mineral wool insulation or your fixtures are rated safe for contact with any type of insulation don t allow the material to touch or cover recessed cans or lights from the floor below it s a fire hazard. The existing asphalt shingles need replacement so he plans to do a tear off and re shingle. Sheathing is installed perpendicular to roof trusses. Roof sheathing provides an area where the surface material can be attached but it also helps keep the trusses and or rafters properly spaced.

Sheathing should be a minimum of 19 32 inch thick. It should reach 3. Never attach roof sheathing with staples. Wha to do with old roof sheathing photo by kolin smith.

Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be. The anchor of the system that keeps water out the base onto which you nail your roofing the major part of the brace system for your trusses rafters a key piece of the stiffening system that protects your house from earthquakes and blasts of wind. When the roofing material wore out new composition shingles would be applied over the original roofing system.