Old House Roof Sheathing

Sheathing is installed perpendicular to roof trusses.

Old house roof sheathing.

Follow this old house online. Box out light fixtures. 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.

All under one roof 1 ice and water shield. 8d ring shank nails should be used instead. Sheathing should be a minimum of 19 32 inch thick. Sheathing works with other components of the roof as well.

If your home was built prior to 1970 there is a good chance it will have board sheathing. Never attach roof sheathing with staples. 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. Roof sheathing provides an area where the surface material can be attached but it also helps keep the trusses and or rafters properly spaced.

The existing asphalt shingles need replacement so he plans to do a tear off and re shingle. For more roofing facts and information please see our seattle area roofing faq. 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. While we re at it should we also take off the roof s original board sheathing which is still sound and replace it with plywood.

It should reach 3. A narrow row of. Roy gingrich of ellicott city has a 40 year old house with an asphalt shingle roof surface. When the roofing material wore out new composition shingles would be applied over the original roofing system.

Sheathing is installed over multiple trusses rafters so it essentially turns them into one cohesive unit instead of individual structural members. 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. This synthetic layer which replaces felt paper covers the entire roof deck and is the second line of.