Can you put metal roofing directly over shingles?

Can you put metal roofing directly over shingles?

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.

Is a metal roof considered impact resistant?

Metal roofs are very tough and highly resistant to hail damage. In fact, many metal roofing products have the highest impact resistance and hail rating (Class 4) granted by Underwriters’ Laboratory (UL).

Do you need to strap a metal roof over shingles?

Yes, in some cases, you can install a metal roof over asphalt shingles. Some products are approved to go straight over non-compromised asphalt shingles. Others will require a new layer of underlayment over the entire roof. And some may require both underlayment and wood strapping secured to the roof deck.

What is a Class 4 impact resistant roof?

Class 4 is the highest level of impact resistance and indicates that under lab testing conditions, new shingles can withstand the impact from a 2-inch ball dropped from 20 feet without splitting or tearing.

Will hail damage a metal roof?

It’s a common myth that metal roofing will be dented or compromised by almost any hail event that it comes in contact with. This is completely untrue. In fact, the majority of hailstorms don’t produce hailstones large enough to affect a metal roof at all.

What shingles is GAF Timberline HD?

And so, we finally come to the question posed by the title of this article. You can find the ratings for GAF Timberline shingles on this website. As you can see, these shingles have a class A fire rating, and its wind resistance rating is 130 MPH. That puts it somewhere between class G and class H.

Is Malarkey Vista a Class 4 shingle?

Our Highlander® NEX®, Vista®, and Legacy® shingle lines are Class 2, Class 3, and Class 4 impact rated (highest rating possible), respectively, by UL. Our Vista® and Legacy® shingle lines also meet the stringent FORTIFIED™ Roof requirements of the Insurance Institute for Business & Home Safety (IBHS).

Are Class 3 shingles impact resistant?

Impact resistant shingles have a thicker gauge base and are made with materials that are more flexible than standard shingles. They are rated for their durability during the UL 2218 impact test and given a Class 1, Class 2, Class 3, or Class 4 based on the impact degree they can withstand and crack.

What are impact-resistant roofing shingles and how do they work?

Impact-resistant roofing shingles – sometimes referred to as “IR” roofing shingles – are designed to help minimize roof damage during a severe weather event and can potentially extend the life of your roof. You may also qualify for a homeowner’s insurance discount if you install impact-resistant roofing shingles on your home.

How much does it cost to install impact resistant asphalt shingles?

On average, you can install Class 4 impact resistant asphalt shingles on a 1,600 sq.ft. roof for $4,960 – 8,950. This is about 10-20\% more expensive than classic 3 tab of architectural roof shingles.

Are there any insurance discounts for impact-resistant roofing products?

In some states/provinces, use of qualifying impact-resistant roofing products may qualify for significant premium discounts. Premium reductions are not available for roofs, other than qualifying metal roofs, which have been overlaid onto existing roofs. Home Insurance Discounts are currently available in the following states and provinces.

Are class 4 roofing shingles worth the cost?

Class 4 roofing shingles are considered to be a premium product and, therefore, may cost more than standard, non-impact resistant shingles. However, due to the various benefits of Class 4, impact-resistant shingles, the extra cost upfront may be a worthwhile investment if you live in an area where hail and wind storms frequently occur.