Top 10 Best Sealant For Metal Roof, Expert-Approved Choices
About Sealant For Metal Roof
This sealant for metal roof offers superior protection against the elements. It forms a strong bond to metal, concrete, asphalt, and other surfaces, providing a waterproof seal that will last for years. It is easy to apply with a brush or roller, and it dries fast to form a hard, durable seal. The sealant is resistant to mildew, fungi, and bacteria, and it won’t yellow or crack over time. It is also designed to withstand extreme temperatures and weather conditions, so you can rest assured that your roof will remain protected all year round. This sealant is a must-have for keeping your metal roof in top condition and preventing costly repairs.
1#. Novagard 02-MR100-10C1 NovaFlex Metal Roof Sealant – 10.3 oz. Tube, White
Features
Non-corrosive, single-component, oxime-cured, silicone sealant and/or adhesive
Used most frequently as a seam sealant or joint filler in metal roof systems
Will develop primerless adhesion to most common construction substrates, and the neutral cure is compatible with most materials
Sealant Color: White
Size: 10. 3 oz. plastic tube
2#. Novagard 02-MR4103-10C1 NovaFlex Metal Roof Sealant – 10.3 oz. Tube, Silver Metallic
Features
Provides unbeatable adhesion to metal, coated metals, wood, masonry, PVC and most common construction materials
resistant, freeze thaw stable
Service temperature -40ºF to +400ºF, Application temperature -20ºF to +120ºF
Tack free in 10 minutes, completely cured in up to 2 days
Meets CARB and OTC regulations (VOC Compliant), Meets or exceeds ASTM C-920-00, TT-S-001543A and TT-S-230C
3#. 100% Silicone Roof Patch – Prevent and Repair Leaks – Complete Waterproofing – Easy Trowel or Brush Application…(1 Gallon, White)
Features
HIGH QUALITY: A thick, single component, flexible high-build silicone sealant that is UV and ponding water resistant. This product’s industry leading adhesion and unmatched hang properties allow it to be used on almost any surface.
MULTI-USE: This product is your RV, commercial, residential, and trailer solution to permanently repair leaks, prep and seal seams, flashings, gaps, and penetrations that cannot be covered with a standard top coat product for instant waterproofing. Perfect for use on Metal, EPDM, TPO, PVC, Fiberglass, Concrete, Spray foam, and more with excellent adhesion.
EASY TO APPLY: Use a brush, putty knife, or trowel to easily and efficiently apply. The simple one step application eliminates the cost of additional products such as primers and tapes as they are not needed. On average, coverage is around 95 lineal feet per gallon.
NO SOLVENTS: Other “Similar Products” are full of solvents and low solids contents. Not us! We provide our customers with the highest quality products that work and stand behind them!
COMPLIMENTARY PRODUCT – This product is designed to be a stand alone or used in conjunction with our Silicone Top Coat product for a full system restoration.
4#. AMES RESEARCH LABORATORIES MSS1 Maximum Stretch Roof Coating, 1 Gallon, White
Features
Ames Maximum-Stretch is a white, elastomeric, acrylic, rubberized roof coating & sealant with 650% elongation to resist cracking & peeling. With 88% light reflectivity, the bright white finish reduces surface temperatures resulting in lowered cooling costs.
Ames Maximum-Stretch adheres to metal roofing, tar, rolled roofs and more. Use as a RV roof sealant, waterproof sealant, rubber roofing material and more. Designed for low-slope roof maintenance.
650% elongation – does not flake, chip or peel – elastomeric and rubberized coating and sealant. Rubber roofing material is 88% light reflective resulting in lowered cooling costs. Brush, roll or spray on!
Non-toxic, eco-friendly, low VOC & made in the USA
1 Gallon – Our waterproof roof sealant is packaged in 1 gallon Pail. Designed for low-slope roof maintenance on metal roofing, built-up roofing, rolled roofing and more.
5#. Liquid Rubber MetalSafe Sealant – Metal Roof Waterproof Membrane Coating and Corrosion Protection, Indoor and Outdoor Use, Easy to Apply, 5 Gallon
Features
ULTRAHIGH CORROSION PROTECTION – Use on numerous surfaces, including metal roofs, sheds, ponds, gutters, and more! Our Metalsafe Sealant is freeze/thaw stable as well as fast drying
HIGH PERFORMANCE – Liquid Rubber Metalsafe sealant provides a hard, durable waterproof surface with excellent UV stability; Can be applied directly over lightly rusted surfaces
EASY TO APPLY – Apply using a conventional brush or roller equipment; may also be sprayed using a delivery system and nozzles appropriate for this material. Apply 1-2 coats depending on the surface and allow to dry
COVERAGE – Vertical Surfaces – 1 gallon/30 sq ft (2.8 sq m). 2-3 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces – 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane
APPLICATION – Avoid hot, intense direct sunlight during application. Apply above 5C/41F. Do not apply later in the day if dew is forecast
6#. L R Liquid Rubber Waterproof Sealant – Multi-Surface Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Original Black, 5 Gallon
Features
PROTECTIVE FINISH FOR – Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more
HIGHLY FLEXIBLE & DURABLE – Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product
COVERAGE – Vertical Surfaces – 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces – 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane
ENVIRONMENTALLY FRIENDLY – Liquid Rubber Waterproof Sealant/Coating is water based, containing no solvents, VOC’s or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
FOR A BULLETPROOF SYSTEM – Bridge joints, seams, vents, gaps, protrusions…. With Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile where possible movement may occur
Includes repairs, parts, labor and Transport
COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder).
7#. Sashco Quart Clear Roof Sealant,14003
Features
Elastic – flexes with temperature changes and wind
Ultra-clear and stays clear – will not yellow over time
Lasts 20 times longer than asphalt
Excellent UV resistance
Adheres to most existing roof patches
Paintable
Won’t freeze-OK to leave in your unheated garage
8#. 100% Silicone Roof Sealant – Self Leveling – Complete Waterproofing – Easy One Coat Application – Designed for Your RV, Camper, Trailer, Commercial Building. (1 Gallon, White)
Features
THE LAST COATING YOU’LL EVER NEED – Our 100% Silicone products are made to last and don’t require recoating every couple years, saving you money in the long run! Unlike many products on the market, our silicone products do not break down due to UV exposure or ponding water. This means with just one application, you can rest assured knowing that your investment will be protected for many years moving forward.
SINGLE COAT APPLICATION – Single coat application is imperative if your goal is to save time and money. Many competitors’ chemistries have long cure times and require multiple coats. Our coating can be applied in just one coat and can be brush, roll or spray applied directly to a range of roof types. Most common include: EPDM Rubber Roof, TPO, PVC, Fiberglass, Spray foam, and Metal. If sprayed, you must use a pump capable of a 6,000psi minimum pressure.
COMPLETE WATERPROOFING – Marlin Silicone Top Coat creates a completely waterproof membrane that won’t shrink and stays flexible. It can be used to repair or prevent leaks.
HIGHLY REFLECTIVE & UV RESISTANT – Marlin Top Coat is bright white, with a Solar Reflective Index of 113. This will significantly lower inside temperatures which means lower cooling bills in the summer!
COVERAGE – This self-leveling coating is your go-to long term solution for preventing and/or stopping leaks. On average, 1 gallon of Marlin Top Coat should cover around 60 square feet. This product can be rolled, sprayed, or brushed easily and effectively meaning most jobs can be completed in one day!
PRODUCT WARRANTY – Marlin is a company that stands behind the products we sell. We offer product warranties for many different applications.
9#. 100% Silicone Roof Coating – Restore Your Roof in a Day – Seal Leaks, Cracks, Seams, Penetrations – Adheres to All Surfaces (1 Gallon, White)
Features
RESTORE, PROTECT, AND EXTEND THE LIFE OF YOUR ROOF – Countryman Coatings Silicone Top Coat can be applied via roller, brush, or spray equipment directly to: Metal, Modified-bitumen, EPDM, Smooth-surface built-up, Gravel surface built-up, Single-ply (PVC, TPO), Granulated cap sheet, Spray foam, Concrete, Acrylic coatings, Silicone coatings, Elastomeric roof coatings, Urethane coatings, and more. If your roof is aging or failing but in good structural condition, Countryman Coatings can help.
NO PRIMER REQUIRED – Countryman Coatings Silicone Roof Coatings have been carefully developed in-house to provide strong adhesion without a primer in most situations. Even without applying a primer, Countryman Coatings far exceed building code adhesion requirements over nearly every roof surface. This versatility makes Countryman Silicone a great RV rubber roof solution.
REDUCE ENERGY SPEND – Industry-leading reflectivity rating means Countryman Coatings provides reduced energy consumption and costs. Countryman Coatings Silicone Top Coat rubber roof coating reflects nearly 90% of UV rays and keeps your building cool. Reduce your building’s energy usage up to 20% and save up to .50/square foot when you install our Silicone Top Coat. Traditional roofing is expensive for you and the environment; a liquid roof coating is better for both.
APPLICATION RATE – While the coverage rate you need will depend on your substrate, the average is 1 gallon of Countryman Coatings Silicone Top Coat per 55 square feet. Other coatings claim that they cover more square feet per gallon, but they require multiple passes. Countryman Coatings can be applied thicker – so you can apply one thick coat and be done. Countryman Coatings can serve as your Aluminum roof coating, EPDM roof coating, and Metal roof coating with less material.
MADE IN AMERICA – All Countryman Coatings Silicone Roof Coatings are made in America and are ready to ship to you on a moment’s notice.
10#. Akfix P645 Metal Roof Polyurethane Sealant- Construction and Automotive Seam Sealer for Glass, Wood, Plastic and Aluminum, Flexible Metal Gap Filler, Paintable Bonding | 1 Pack, Gray, 10.4 Oz.
Features
Properties of polyurethane sealants, such as hardness, adhesion strength, thixotropy, and flexibility, can easily be modified to meet needs. Compared to other components, this metal sealer may reach very high mechanical and adhesion strength levels.
Especially designed for body construction of cars, containers, caravans and projects that require durability in the automotive and construction industry.
– Akfix P645 metal gap filler has excellent adhesion to sheet iron, aluminum, stainless steel, lead, copper, ceramic, glass, wood and various plastic and metal materials. Joint surfaces must be dry, clean and free of all contamination.
Tooled easily with a caulk gun and cut open the cartridge and cut off the tip at the desired angle. Insert cartridge of this construction sealant in gun and fill the sealant bubble-free continuously into the joint. Smoothen it by pressing with a spatula or similar apparatus.
It provides waterproof sealing and bonding with a paintable feature at home project and roofing.
