In almost every case, the answer is yes, you can lay down a new metal roof over an existing shingle roof. This is one of the many reasons metal roofs keep growing in popularity – their installation doesn’t require completely tearing off the existing roof, which is a time-consuming and expensive job.
Do I need underlayment for metal roof over shingles?
Underlayment is not required when installing metal roofing over shingles but is a definite plus. This extra layer ensures the previous shingles are not under continued stress which could lead to an increased risk of roof damage.
Is it a good idea to put a metal roof over shingles?
It’s absolutely fine to install a metal roof over shingles. People are accustomed to thinking of metal roofs as being heavy or cumbersome. In fact, metal roofs are so beneficial because they’re very light. They’re fast to install, and they come in large sheets rather than individual tiles.
What are the disadvantages of a metal roof?
Disadvantages of metal roofs Affordability. Metal roofs can be as much as two or three times more expensive than other roofing materials. Noisiness. Expansion, contraction and fasteners. Inconsistency of color match. Performance.
Can you put metal roof over shingles without furring strips?
You should not attach metal to asphalt shingles without furring out the roof first. Install radiant barrier, install 1″X4″ battens, install metal.
Should you remove old shingles before installing a metal roof?
Your local roofing contractor may recommend tearing off your old shingles before installing a metal roof if any of the following conditions apply: Rough or uneven asphalt shingle roof will affect the metal roof’s appearance. Nails and screws for the metal roof won’t reach far enough into the layers of existing roofing.
Do I need furring strips under metal roof?
When installing a metal roof over an existing roof, insulate the spaces between the wood strips with rigid insulation to prevent condensation before installing the roofing. You also need to add furring strips. Twenty-four inches is a common spacing of furring strips for a metal roof.
What type of underlayment do you use on a metal roof?
The traditional and most common material used for roof underlayment on a steep-slope metal roof is non-perforated, asphalt-impregnated felt underlayment. There are several types of felt underlayment including both organic reinforced and inorganic reinforced.
How much does it cost to put a metal roof on a 1500 square foot house?
Residential Metal Roof Cost Estimator Square Footage of Home Roof Cost* 1,200 $5,000 – $18,000 1,500 $6,500 – $22,500 1,600 $7,000 – $24,000 1,700 $7,500 – $25,000.
Are metal roofs noisy in the rain?
This is one of the most frequently asked questions we hear from those considering the pros and cons of a metal roofing upgrade. Both homeowners and businesses have the same concerns about disruptive rain noise on metal roofs. The short answer is, yes, uncoated standing seam metal roofs can indeed be loud in the rain.
Does a metal roof lower your insurance?
That’s why having a newly installed roof can save you on insurance premiums. Insurance companies also look favorably on metal roofing because research has shown that homes with metal roofs receive less damage from storms and house fires, which means the company is much less likely to have to pay an insurance claim.
Do metal roofs make house hotter?
No, metal roofs are not hotter than dark shingle roofs made from asphalt or other standard materials such as slate, for example. That said, metal roofs, just like any other roofing material, will heat up in direct sunlight.
Does a metal roof interfere with cell phone service?
Many people ask if a metal roof could be the cause of their poor cell phone reception at home. Well, the short answer is no, it isn’t! There is no evidence that a metal roof disrupts the signal for your phone any more than another material.
Do metal roofs attract lightning?
From what we understand about lightning, it’s clear that metal roofing is no more likely to attract lightning than other roofing materials. Metal is one of the best materials you can consider for your roof.
Do I need wood under metal roof?
The simple answer is yes, your roof does need an underlayment. Traditionally built homes will need an underlayment. If your home is built with joists, insulation between those joists, and sheathing, then an underlayment is needed before you put on a metal roof.
Can you put a metal roof on in the winter?
Aside from shoveling snow and staging the installation, metal roofing can be installed in winter. They are also not phased by the harsh temperatures, ice, and snow. In fact, metal roofing is designed to shed water and ice, minimizing ice and snow accumulation. Additionally, metal roofing does not have to cure and seal.
How often do metal roofs need to be painted?
Metal roofs can fade over time, especially due to the elements like harsh sunlight and heavy rains. Whether you want to change the color or restore the same one is up to you. It is recommended to repaint about every 10 years.
What is the best color of metal roof for energy savings?
Energy Efficiency Such a roof can be reasonably expected to be some 50 to 60 degrees cooler than a darker color asphalt shingles roof. It is best to choose a light color metal such as white, light bronze, beige, peach, light green or blue, if you live in a region that has a lot of sun and a hotter climate.
How do you stop condensation on a metal roof?
Traditionally, condensation is managed by insulating the metal roof so that the panel temperature never reaches the dew point. This is often accomplished using vinyl-backed fiberglass insulation to prevent humid air from coming into contact with the cooler metal roof (which may be at or below the dew point).
Can I put metal roofing over OSB?
No, you do not need to screw into solid lumber (joists, stripping,etc.). As you can see, the thinnest material they recommend is 1/2” (7/16”) OSB board at 9” on center up to 24” on center. Be sure to follow their instructions in order to obtain the warranty.
Is it cheaper to put a metal roof or shingles?
Metal roofs are $120 to $900 per square and are not usually cheaper than asphalt shingles, which are $100 to $150 per square. However, metal will last two to even five times as long as asphalt and could be a better value.
What is the least expensive metal roof?
Corrugated steel panel roofs are the least expensive type of metal roofing, costing about $1.20 to $5.00 per square foot comparable to the price of asphalt shingle roofing. Average costs to install a corrugated steel roof would be from $10,500 to $19,500.
How much does it cost to put a metal roof on a 2000 square foot house?
For an example of a typical project, you can expect to pay between $19,000 and $33,000 for a new 2,000 sq. ft. or 20-squares metal roof fully installed on a typical house.