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Can a Metal Roof Go Over Plywood?

Metal roofs have been popular for decades, partly explaining why many property owners have wondered over the years: Can a metal roof go over plywood?

This is the main question we answer throughout this post, so read on to learn everything you should know before installing a metal roof over plywood. And if you would prefer a trusted Greensboro roofer to take care of the intallation, you can give us a call.

A Metal Roof Over Plywood? Yes!

You can install a metal roof over plywood, but you need to make sure there’s a felt sheet and slip sheet between the plywood and the metal roofing. Otherwise, there’s a greater chance that the roof will leak. And if the roof leaks, you could be dealing with wood rot, mold, mildew, and other problems.

Even if it doesn’t rain a lot in your area, if it’s humid often, the moisture can wear down plywood if something is not protecting it.

The slip sheet is essential, as without this, the felt sheet could get eroded quickly by the metal roofing (when it’s hot) and frequent temperature fluctuations (which cause the metal to expand and contract, tearing the felt).

Installing a Metal Roof Over Plywood: Pros and Cons

There are a few notable benefits and drawbacks associated with installing a metal roof over plywood, including:

Pro: Long-lasting construction (if properly set up)

Pro: Installation is easy

Con: Greater risks of leaks

Con: More expensive

The Price of Installing a Metal Roof Over Plywood

Metal roofs are sought-after for a variety of reasons. They’re durable, don’t require much maintenance, and last a long time if properly maintained. For these reasons, a metal roof installed properly can be pretty cost-effective, and some can even last a century.

A metal roof installation can cost anywhere from $8,190 to $21,552, but the national average is $14,871.

The total cost of installing a metal roof over plywood is based on a variety of factors, including:

  • The kind of metal roof chosen
  • The size of the roof
  • The size of the plywood frame
  • The number of layers required (if any)
  • The run length
  • The pitch
  • The amount of manpower and labor needed

How Long Will a Metal Roof Over Plywood Last?

A metal roof installed correctly over plywood can last 50-100 years so long as it gets annual or biannual inspections. These inspections can identify problems before they get out of hand and increase the lifespan of your roof. And if you have a team of professional roofers handling maintenance, nothing important will be missed.

Tools & Materials Needed for Installation

The following tools and materials are often needed to install a metal roof over plywood:

  • A plywood sheet
  • Roofing nails
  • Roofing shingles
  • A metal drip edge
  • Metal flashing
  • Underlayment
  • A cold chisel
  • A hammer
  • A drill
  • A screwdriver
  • A tape measure
  • A seam roller
  • A leveler
  • A cable cutter

Hire Davis Roofing to Install a Metal Roof Over Plywood

When you need a metal roof installed over plywood, look no further than Davis Roofing. We can flawlessly execute all kinds of roof installations and repairs, which is why we’re the number-one roofing company in the Greater Triad Area of Central North Carolina.

Call us at (336) 431-6485 or visit our website to learn more about what we’re offering and get a quote right away!


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