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Ultra Siliconizer 5 Gal. 100% Acrylic Elastomeric White Reflective Roof Sealer

$119.00
/pail
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  • For commercial, residential, and mobile home roofs
  • Silicone-modified formula for increased durability and adhesion
  • Provides waterproof seal
  • View More Details
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Product Details

Ultra Siliconizer is a thick, high performance silicone-modified 100% acrylic elastomeric roof sealer. The silicone-modified formula is designed to promote excellent resistance to cracking, peeling, and blistering, even under severe weather conditions. It provides a full waterproof and weatherproof seal on most roof surfaces, which significantly lowers the interior temperatures of the structure.
  • May be applied with roller, brush, squeegee or sprayer
  • Covers approximately 50 sq. ft. per gallon (250 sq. ft. per pail)
  • For previously coated roofs, concrete/masonry, metal, rubberized asphalt, rubberized mastic, trailers and wood
  • Dry to touch: 1 hour; Dry to recoat: 24 hours
  • Click here to learn more about Eco Options and Energy Efficiency
  • Return Policy
  • California residents

Additional Resources

From the Manufacturer

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Specifications

Dimensions: H 12.75 in, W 12 in, D 12 in

Dimensions

Product Depth (in.)12 inProduct Height (in.)12.75 in
Product Size (oz.)640Product Width (in.)12 in

Details

Application MethodBrush On, Roll On, Spray On, SqueegeeApproximate Coverage Per Gallon (sq. ft)50
Coating BaseAcrylicCold AppliedCold Applied
FeaturesAlgae Resistant, Energy Star Rated, High Reflectivity, High Wind Resistant, Mildew Resistant, Paintable, Water Resistant, WaterproofFire Rating (UL 790)No Rating Available
Number per Package1Package size (gallons)5 gal
Reflectivity Rating (%)78Returnable90-Day
Roofing Product TypeReflective Roof CoatingSurface RecommendedCoated Roofs, Concrete Roofs, Concrete/Masonry, Metal, Metal Roofs, Mobile Home Roof, PVC Membrane, Rubberrized-Asphalt, Rubberrized-Mastic, Rv Roof, Trailer Roof, Wood

Warranty / Certifications

Manufacturer WarrantyLanco warrants only that this product is free of defects, since many factors which affects the results obtained from this product (such as weather, workmanship, equipment used and prior conditions of substrate) are beyond our control. We will replace at no charge any product proven to be defective within 15 years of purchase, provided it has been applied per manufacturer’s specifications.
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Questions & Answers

443Questions
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Q:Can Lanco White Seal Plus 100 ?rylic Elastomeric roof sealer be applied over Lanco Siliconizer Elastomeric Sealer and vis versa?
by|Nov 30, 2023
1 Answer
Answer This Question

A:  Hi Ronald, the answer is yes. You can use the Lanco White-Seal Plus over the Lanco Siliconizer Elastomeric Sealer and vice versa.

by|Nov 30, 2023
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    Q:Will this work on a metal roof
    by|Nov 28, 2023
    1 Answer
    Answer This Question

    A:  Hi Jaws, yes you can apply the Lanco Ultra Siliconizer Roof Sealer on a metal roof.

    by|Nov 28, 2023
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      Q:Will this adhere to stainless steel sheet?
      by|Nov 13, 2023
      1 Answer
      Answer This Question

      A:  Hi Kevin, yes you can use the Lanco Ultra Siliconizer on a stainless steel sheet.

      by|Nov 13, 2023
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        Q:Can this product be used on already coated Urethane roofs
        by|Nov 9, 2023
        1 Answer
        Answer This Question

        A:  Hi Bill, yes the Lanco Ultra SIliconizer can be used on an already coated with Lanco Urethanizer roof. As booth of them are acrylic.

        by|Nov 9, 2023
          Showing 1-4 of 443
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          Customer Reviews

          4.7 out of 5
          (525)
          • 4.7
            out of 525 reviews
          • 90% recommend this product
          Filter by:
          Showing 1-10 of 525 reviews
          Wish the dry time was a little faster and a little thicker but stuff works great
          by
            Professional grade stuff!
            I use this on all my roof resealing jobs. Whether it’s resealing an rv roof, Florida room roof, mobile home roof, etc it’s seals all gaps cracks and leaks leaving your roof bright white and water tight. It also reflects a ton of heat off the roof and uv protects it
            by
              • Recommended
              1 found this review helpful
              Lanco Ultra siliconzer
              This stuff works perfect It seals fast perfect for roofing
              by
              • Verified Purchase
              1 found this review helpful
              Must try product
              I wanted to see how good Silicone will work on my flat roof as the review's said. It went on very well and so far it block the leaks and covers the surface from wear and only to see if it really reflects the sun to keep the house cool.
              by
              • Verified Purchase
              • Recommended
              1 found this review helpful
              118 outside temp inside 77
              Seals out water and works great lowers inside temp. it goes on heavy and it sticks anywhere you apply it, over a week to completely dry in warm weather, don't use it if raining or high water condensation washes off.
              by
              • Verified Purchase
              • Recommended
              2 found this review helpful
              Great product. Used as a primer coat on asphalt
              Great product. Not too difficult to put down over asphalt using a roller with the proper nap thickness. Used as a primer for a flat roof before putting on a second coat with Henry's. I'm not sure how well it will work or how many coats you would need just using this product alone but it worked perfect as a primer
              by
              • Verified Purchase
              • Recommended
              1 found this review helpful
              So far, so good
              I have a flat roof on the back side of my house with roll roofing that was installed 8 years ago. That room always gets really hot in the Summer so I decided to try this on it. I bought two five gallon buckets which was just barely enough for two coats. (440 sq ft.) It dropped the roof temperature by 60º and the room beneath is a lot more comfortable. I think I may buy a third bucket and hit it one more time but so far, it's doing great.
              by
                • Recommended
                6 found this review helpful
                Ruined new roof
                2018 2-3 layers onto new shingle's. Sept. 21 one leak at the edge of the roof. Damaged wood and water under ALL the singles. From Florida condensation. The roof will be needing complete re-roofing. No big label on product advising how to use on shingles.
                by
                Response from Lanco Product ExpertNov 20, 2021
                Hi Harold, we apologize for all the inconveniences this has brought you. We are aware of this issue and highlight it on the product label, we highly recommend all of our customers to read the product label before starting any project. For future reference this is what is stated on back of the Ultra Siliconizer product label:

                NOTE FOR ASPHALT SHINGLES - Prior to application over asphalt shingle roofs the attic area should be very well ventilated (gable vent fan works best) to prevent condensation on the roof or in between the layers of the shingles or decking. Follow proper cleaning and preparation as described above.
                  5 found this review helpful
                  Great product!
                  Easy to roll on it dried 24 hours just before the rain came and did fine hope it holds up for a while this is a remodel 26 feet Fleetwood 1995 rv.
                  by
                    • Recommended
                    2 found this review helpful
                    Excellent product...
                    Excellent product
                    by
                    • Verified Purchase
                    Showing 1-10 of 525 reviews

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                    Coating Base

                    Acrylic

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                    Acrylic

                    Aluminum

                    Application Method

                    Brush On, Roll On, Spray On, Squeegee

                    Brush On, Roll On, Spray On, Squeegee

                    Brush On, Roll On, Spray On

                    Brush On, Roll On, Spray On

                    Surface Recommended

                    Coated Roofs, Concrete Roofs, Concrete/Masonry, Metal, Metal Roofs, Mobile Home Roof, PVC Membrane, Rubberrized-Asphalt, Rubberrized-Mastic, Rv Roof, Trailer Roof, Wood

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                    Concrete Roofs, Metal Roofs

                    Coated Roofs, Metal, Metal Roofs, Rubberrized-Asphalt, Rubberrized-Mastic

                    Features

                    Algae Resistant, Energy Star Rated, High Reflectivity, High Wind Resistant, Mildew Resistant, Paintable, Water Resistant, Waterproof

                    Mildew Resistant, Waterproof

                    Algae Resistant, Energy Star Rated, High Reflectivity, Mildew Resistant, Water Resistant

                    Cool Roof Certified, Corrosion Resistant, Extreme Heat, High Impact/Hail Resistant, High Reflectivity, High Wind Resistant, Ice and Water Shield, Impact Resistant, Rust Resistant, Waterproof

                    Approximate Coverage Per Gallon (sq. ft)

                    50

                    500

                    50

                    75