How Would You Fix Damaged Plywood On A Flat Roof
Most contractors use 1 1 4 long nails on new construction projects.
How would you fix damaged plywood on a flat roof. How to repair water damage to plywood on a kitchen floor. It happens over time when water from the sink is spilled when plumbing fixtures or appliances. Water damage is fairly common in kitchens. This meets the code but isn t good enough in my book.
Your asphalt roof may see plywood damage in the case of extreme weather such as torrential rain and wind or unexpected snowfall if shingles get ripped away the plywood is then exposed to the elements and may need replacing. I am using a 7 16 osb sheathing that i got from lowe s. Staple it to the roof decking or nail it with plastic capped roofing nails. The only way to properly fix this is during the full replacement of the roof.
Cover the seams between the old and new decking with bitumen tape. Even if you put the screws through the lower layer of shingles you could great the opportunity for a leak. In this video i show how to replace rotten plywood on your roof without breaking your back. Lets look at different issues that may arise when you install a roof over existing shingles and or damaged plywood.
Once you repair the hole in the roof plywood you need to seal up the seams and recover the roof. Roof repairs are one of our specialties. At that time a contractor can address. Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof design.
A 1 1 2 or 1 3 4 long home depot roofing nails hold much. You may also have experienced a leak and realized that there s hidden damage. Unless the roof is leaking the line you see on the roof is an aesthetic problem but the cupped plywood is putting an added strain on the shingles either side of the visible line. 1 roof will not be properly nailed.