Should I replace the plywood on my roof?

If you are getting a new roof, while you may not necessarily need to have the plywood decking replaced, you should have it carefully inspected by a qualified roofing contractor. The inspection should take place when the old shingles have been removed.

How much does it cost to repair roof on house?

The national average roof repair cost is $957, with most homeowners spending between $366 and $1,570. Most common small roof repairs cost between $150 and $400. Labor runs around $45 to $75 per hour.

How do I get plywood off my roof?

How to Remove Roof Sheathing

Drive stakes into the ground at the corners of the house.
Climb onto the roof and walk up to the roof peak.
Wedge the end of the pry bar into the seam between two sheets of sheathing.
Pry the edge of the sheathing from the roof rafters while standing on an adjacent sheet.

Is it time to replace the roof plywood?

In my last step I removed the rest of the damaged wood. Now it’s time to replace the roof plywood and any other damaged wood in the roof area. WARNING: This is really just a rough draft of the post, a collection of photos with captions.

How much does it cost to replace dry rotted plywood?

As was the case on this roof, dry rotted 3/8″ plywood would not hold the nails even if they were long enough – you could pull them out by hand – that is how weak it was. This means that you MUST replace old roofing plywood. Here is approximately how much different options cost: 5/8 inch – $26.87 per sheet.

Is it dangerous to replace plywood with shingles?

One such dangerous way is to shingle over an existing roof, instead of tearing it off. Another, is to forgo repairing old plywood or sheathing before doing the install. Some contractors, who desperately want your business, may lure you in with promises of “big savings”, if you agree to go for one or both of these options.

Why is plywood not used for roofing in Florida?

While plywood dries down evenly, OSB tends to absorb moisture more around the edges, making it swell and dry down with a ring around the edges. Florida Dade County has prohibited the use of OSB for roof decks because of the effects that Hurricane Andrew had on homes that used the material for roofing.

What’s the best way to replace a roof?

Topping the list: work to repair the plywood sheathing, which tends to be very expensive. The Smiths need to replace their asphalt roof shingles. They get estimates from three roofing contractors, all for the same brand of shingles, and choose the one with the lowest price.

Can you put plywood on top of asphalt shingle?

One reason often cited by contractors to justify adding a layer of plywood to an existing roof structure is the presence of old-style board sheathing. While they don’t prohibit installation over board sheathing, asphalt shingle manufacturers do specify that the roof deck underneath must be smooth—and tend to recommend plywood as the best option.

How much does it cost to repair a hip roof?

Even if only part of your roof is showing signs of wear, it’s wise to consider doing the entire job while the crew is on-site with its scaffolding, ladders, and equipment. This will likely be less expensive than doing one part now and the remainder in a few years. I recently had a quote to repair one side of a four-sided hip roof for $2,800.