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.
Old house roof sheathing.
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 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.
Sheathing should be a minimum of 19 32 inch thick.
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.
It should reach 3.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
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.
Roofing on this old house.
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.
When the roofing material wore out new composition shingles would be applied over the original roofing system.
A self adhesive membrane applied along the roof s perimeter from the eaves up.
This synthetic layer which replaces felt paper covers the entire roof deck and is the second line of.
All under one roof 1 ice and water shield.
The existing asphalt shingles need replacement so he plans to do a tear off and re shingle.
If your home was built prior to 1970 there is a good chance it will have board sheathing.
Box out light fixtures.
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.
A narrow row of.
Follow this old house online.
Sheathing works with other components of the roof as well.
Never attach roof sheathing with staples.
Wha to do with old roof sheathing photo by kolin smith.