Kool Seal 4.75-Gallon Gray Elastomeric Reflective Roof Coating, Limited Lifetime Warranty (KS0034600-20)

Regular price $146.95

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Kool Seal Gray Elastomeric Roof Coating, 4.75 gal

A 100% acrylic elastomeric base coat that delivers maximum adhesion across common roofing substrates. Designed to renew and protect roofs while preparing the surface for Kool Seal finish coats, this gray reflective coating applies by brush, roller, or spray and cleans up with soap and water.


Key Features:

  • Maximum Adhesion: 100% acrylic elastomeric base coat bonds to metal, single-ply, BUR, modified bitumen, foam, concrete, EPDM, and Hypalon surfaces
  • Versatile Application: Suitable for RVs and flat or metal roofs; not for asphalt shingles
  • Easy Use & Cleanup: Apply with brush, roller, or spray; soap-and-water cleanup
  • Durable Protection: Provides long-lasting base for finish coats; limited lifetime warranty
  • Coverage & Recoat: Approx. 250 sq ft per pail; recoat after 24 hours, typically 2 coats

Specifications Table:

Specification Details
Manufacturer Color/Finish Gray
Type Elastomeric
Drying Time (Hours) 24
VOC Level 50
Actual Net Contents (Fluid Oz.) 608
Approximate Coverage (Sq. Feet) 250
Minimum Coats Required 2
Solvent Clean-Up Required No
Container Size 4.75-gallon
Brush On No
Fibered No
Flexible Yes
Primer Required No
Roll On Yes
Spray On Yes
Squeegee On No
Waterproofing No
CA Residents: Prop 65 Warning(s) Yes
ENERGY STAR Certified No
UL Fire Rated No
Warranty Limited lifetime
For Use with RVs Yes
For Use with Asphalt Shingles No
For Use with Metal Roofing Yes
For Use with Wood Shakes No
For Use with Flat Roofing Yes
UNSPSC 30151500

Frequently Asked Questions (FAQ):

Q: What surfaces can this coating be used on?
A: It adheres to metal, single ply, smooth BUR, modified bitumen, polyurethane foam, concrete, EPDM, Hypalon, and existing asphaltic/elastomeric coatings; do not use on roof shingles.


Q: How should I apply it?
A: Thoroughly mix and apply according to label directions using a brush, roller, or airless sprayer; two coats are recommended.


Q: How long before I can recoat?
A: Allow 24 hours between coats under normal drying conditions.


Q: Is a primer required?
A: Primer is not required for most surfaces, as this base coat is formulated for maximum adhesion.


Q: How do I clean up after application?
A: Clean tools and equipment with soap and water.


A Sleek, Modern Base That Revives the Roofline

This gray elastomeric base coat quietly elevates a building’s silhouette, laying down a refined, uniform surface that feels polished and contemporary. Its smooth, matte finish sets the stage for crisp reflective topcoats, turning utilitarian roofing into a cohesive design element. Pair it with streamlined metal accents and minimalist parapets for an architectural look that reads both durable and chic. It’s an essential foundation for a luxurious, long-lasting roof system.


Prep and protect your roof with Kool Seal’s elastomeric base coat for a durable, high-adhesion foundation—order yours today.

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Subject to Approval & Availability
All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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