Sealing your roof can help preserve its life span—you just have to choose the right coating. This guide will help you budget for your total roof coating cost.
6 Questions About Roof Sealant Application
Answer these questions before you seal the deal
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No obligation · 100% free
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Roof sealant application protects your roof from leaks and UV damage, and your professional tailors products and methods based on whether you need preventative sealing or leak patching.
Your roof's slope and material determine which sealant works best, as flat roofs need stronger waterproofing while steep roofs require special safety equipment that affects labor time.
Before scheduling your roof sealant application, calculate your roof pitch and identify your roofing material so your professional can choose compatible products and plan the work correctly.
Hiring a local roof repair professional provides reliable guidance on sealant compatibility with previous treatments and helps you bundle services like repairs or gutter work to save on trip fees.
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Roof sealant can serve as a temporary patch for minor roof leaks, and it can also act as a preventative measure to maintain your roof’s waterproof qualities and reduce UV damage. Before you start reaching out to roofing repair pros near you, make sure you can answer these common roof sealant questions to get the best service possible.
1. Why Do You Need Roof Sealant Applied?
Are you sealing your roof to be proactive and avoid future leaks, or do you have an existing leak you’re looking to patch? Your professional will tailor the products and application methods they use based on your answer, and they may recommend other roof repairs if you’re dealing with an active leak.
2. What’s Your Roof Slope?
Your roof repair pro will use different sealant products based on the slope of your roof. Flat roofs require sealants that have greater waterproofing capabilities because they see pooling water and snow accumulation that require more expensive materials. On the other end of the spectrum, roofs with steep slopes may require special safety equipment while your professionals work, which can make the job take longer, driving up labor costs. Calculate your roof pitch beforehand to provide an accurate slope.
3. What Type of Roof Do You Have?
Some roofing sealants are only effective on certain roofing materials, and your roofing professional will use different products on asphalt shingles than they would on a flat roof, like a TPO roof or a modified bitumen roof. If you’re unsure, ask the person who installed your roof, or ask your new roofing pro to inspect it for you.
4. How Old Is Your Roof?
Before applying sealant to your roof, your roofing professional will ask how old your roof is to determine if a replacement would be a better option. On old roofs that are nearing the end of their life or exposing your home to leaks, it’s often more cost-effective to shell out for the cost of a roof replacement than to keep sealing and repairing your old roof.
5. Has Your Roof Ever Been Treated With Sealant Before?
Not all roofing sealants are compatible with others, so your professional will likely ask if you’ve had yours treated before and, if so, what type of sealant you used. They’ll then choose a product that will bind to the old sealant to create the best layer of protection possible.
6. Do You Need Any Other Services?
Coupling your roof sealant application with other work can save you money on trip fees, so consider add-on services that make sense. Most roofers who seal roofs can also do roof repairs, service flat roof drains, and inspect your roof for signs of damage or leaks. Some may also be able to clean or install gutters, put in gutter guards, and provide other related services.
Roofing services reviews from real Angi homeowners in Columbus, OH
4.3★ avg. • 121 total reviews
- Carla M.
Mitchell and the crew were top tier i am so happy with my new roof
Home Genius Exteriors - Chance R.
D1 Roofing delivers outstanding service from beginning to end, backed by a strong warranty and expert teams. I highly recommend them for their excellence in meeting and surpassing expectations with unmatched communication. Choosing D1 Roofing was flawless decision
Division 1 Roofing LLC - Jeremy P.
This place took $25,000 for a flat roof job with a five-year warranty and never returned to fix the leaks that were caused by their work. These people are not professionals and should not be doing this type of work. They incorrectly changed the pitch of the roof, and caused more damage than...
- David B.
The technician was very professional and friendly. He answered all my questions and was very thorough. He left the fireplace area very clean . He inspected from the roof and advised me as to other work that might need to be done. There was no pressure there. I was very satisfied with the...
Supreme brick & chimney - Kevin S.
I am really impressed with their timeliness and turnaround. Mitchell came out, and we decided to move forward with their pricing. Our roof was on within a week, and we could not be happier with their team! Amazing company, great prices and honest, dependable craftsmanship. I highly recommend...
Window Depot USA of Central Ohio - Rob B.
Manuel Calvillo is the best option in the area for roofing and you won't be disappointed.
- Julie K.
They damaged multiple items on my property, including a marble slab used as a table top, tried to hide it, and refused to pay or replace. Arrived day one without a ladder to access roof & delayed a day. Left a mess in back yard; didn't wear face masks; no show by owner to property to see damages
Grants Tree Service - Marcia L.
I've hired Gary/Cherokee Roofing for two different homes, work quality, responsiveness, and completion have been great both times. And the prices quoted were very competitive. I would definitely hire again.
- Paul F.
Lyle did a great job removing asbestos shingles from our front porch roof. They worked together with our roofer to make sure that the new roof was able to be installed on the same day that Lyle removed the asbestos shingles.
Lyle Environmental - Paul F.
Bradley Builders did a good job replacing the roof on our front porch. They color-matched the existing shingles on the rest of the house and installed a metal ridge roll since we live in a historical neighborhood. They did the job while we were out of town. When we got back, everything was...
Bradley Builders, Inc.
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