Cost to Seal a Metal Roof

Metal roofs are loved by many because of their versatility and great uses. But if done wrongly, or if they get leakages, the result can be quite damaging. This is why there are sealants to help cover any and every opening on metal roofs.

The cost to seal a metal roof can be as little as $100 or as much as $3200. In most places, the price ranges from $450 to $1200. Most professionals will charge as much as $5 per sq. ft. There are so many factors that influence the overall costs of sealing a metal roof. Check some of them below;

Automatically, the bigger your roof, the more you will cough up. But to save on costs, you can do it in sections, making it easier to do long sections without really feeling the pitch. But the truth is this only delays the process but does not cut down the costs.

Some sealants are more expensive because of their properties and what they can be able to do. For instance, Armor metal coating is priced higher than Titebond.

  • The company doing the work

Based on their experience and expertise, a professional sealing company can charge more. But if they can give excellent services, it will enable your metal roof to last longer.

If you want your sealant to be done during the peak season, the prices will be higher. It is rare and quite complex to seal your metal roof during extreme weather conditions. To save, simply time just as fall or spring is beginning or ending.

Homeowners in faraway places usually pay more. The cost to get the experts and equipment there takes time which is incurred as an expense.

Check out more tips on Home Garden Guides.

What is the best sealant for metal roofs?

Every homeowner will tell you the benefits of going for the very best things in life. For instance, going for the best sealant for metal roofs will serve you for decades. This is refreshing to know especially when you think of the costs saved; you will definitely go for it.

Here are some of the best sealants one can buy;

Armor Metal Roof Coating

Metal roofs are known to have a lot of expansion and contractions. When Armor roof coating is applied, it can withstand these fluctuations, which increases the lifespan of the metal roof—made with acrylic that’s fortified with rubber and plasticised for extra strength and durability.

Titebond robbery sealant

Perfect for both new roof sealing and repairs, this metal roof sealant does it all. It is flexible, which enables it to align perfectly even with the expansion and contraction of metals. The Titebond roof sealant will also be very consistent, especially when temperatures drop. In the end, you will be able to seal your metal roof without breaking the bank.

Butyl tape

Old fashioned but still does a good job sealing metal roofs. Its sticky nature makes it ideal when tieing down metal, especially trims. see it this way; when you want to hold metal trims in place to screw them, butyl tape is the go-to sealant.

How long does metal roof sealant last?

The lifespan of metal roof sealant varies from sealant to sealant and its application. Usually, the sealant can last anywhere between ten to twenty years. Sealant tapes are usually the longest-serving. With liquid sealants, it all comes down to the size of the coating, whereby the thicker the coating, the longer it will last. A simple 10-millimeter difference in size can lead to a very big difference in the lifespan.

What is the longest-lasting roof coating?

When installing metal roofing, you will need a metal roof system that will serve you for generations. While this sounds straightforward, choosing the right type of roof coating will save you big time.

Here are the longest-lasting roof coating

Based on general experiences and what most homeowners say, here are the longest-serving roof coating;

concrete roofs

Concrete roof systems are most common in commercial buildings. They are liked because they are low maintenance and will give you the desired long-term effects. Based on your location and the experts available, you can install concrete roofing at a competitive price.

Pros of concrete roofing

  • Easy to install
  • Long-lasting
  • Can be cost effective


  • Can easily crack
  • It does not reflect UV light enough
  • If not effectively coated, it can leak

Silicone spray coating

Silicone spray coating is your go-to for a special coating for your roof. It works best on all types of roofs which makes it quite versatile. Silicone coating has been known to increase the lifespan of a roof by over five decades which is a long time.


  • Works on all types of roofs
  • Extends the lifespan by several years.

Comments are closed.