Replace Plywood On Roof From Inside
I thought perhaps he made a mistake but no this is what he is proposing.
Replace plywood on roof from inside. Note bad areas for removal. The roof of your house covers and protects everything inside of those walls from the rain snow and sleet that come your way. He said it s only a difference of 1 8 thickness. Lay felt paper onto the roof overlapping the existing paper to get good coverage.
The roof is arguably the most important component of your house. Even in this case in our opinion the reasons to remove and replace roof sheathing and framing would normally be based on the condition of the roof framing and sheathing not on the. I am using a 7 16 osb sheathing that i got from lowe s. Sometimes referred to as roof sheathing or a roof deck this plywood acts as a foundation for the layers of underlay and the shingles on your roof and connects the roof to the frame of the house.
Look up at the roof area. You want to make sure that you are building a quality roof that will last you for decades to come but you need the right kind of plywood for the roof. And while nobody likes having to pay to replace a roof the critical and aesthetic function it serves should help ease the pain of spending 8 000 to 20 000 on the work. Walk carefully on the ceiling joists in the attic or use a sheet of plywood to walk on so you will not accidentally put a hole in the ceiling panel.
Gain access to the attic to inspect the plywood or roof decking. In our roof interior attic photo at left you can see antique roof framing along with black stains and probably some mold growth from a long history of roof leaks. Cover the seams between the old and new decking with bitumen tape. Chances are the shingles on your roof were attached on top of a plywood base.
A local roofer submitted a proposal to me for a roof placement that included replacing rotten plywood with 1 2 cdx. Once you repair the hole in the roof plywood you need to seal up the seams and recover the roof. The existing plywood on my roof is only 3 8. After all it keeps water out of the building.
Staple it to the roof decking or nail it with plastic capped roofing nails. While the added cost of replacing plywood can be expensive it will. Make the final repair as soon as weather permits.