SKU: 73904295426

GAF Premium Acrylic HydroStop Base Coat, White — 5 Gallon Pail

Sale price$129.21 Regular price$143.57
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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For Your Every Summer RSVP, with Code: SUMMER15

Description

GAF Premium Acrylic HydroStop Base Coat, White — 5 Gallon PailPremium Acrylic HydroStop Base Coat, 5 Gal High solids elastomeric acrylic base coat designed to enhance adhesion for HydroStop TopCoat in roof coating systems. Easy to apply by spray, brush, or roller for professional grade results. Key Features: Enhanced Adhesion: Engineered as a basecoat to improve bond with GAF Premium Acrylic HydroStop TopCoat Easy Application: Suitable for conventional or airless spray equipment, plus brush or roller

Premium Acrylic HydroStop Base Coat, 5 Gal

High-solids elastomeric acrylic base coat designed to enhance adhesion for HydroStop TopCoat in roof coating systems. Easy to apply by spray, brush, or roller for professional-grade results.


Key Features:

  • Enhanced Adhesion: Engineered as a basecoat to improve bond with GAF Premium Acrylic HydroStop TopCoat
  • Easy Application: Suitable for conventional or airless spray equipment, plus brush or roller
  • Professional Grade: High-solids elastomeric acrylic formulation for durable performance
  • Certified Performance: Meets ANSI/UL 790 Class A; FM 4470 Approved; passes FM Severe Hail; Miami-Dade NOA 20-0130.07
  • Convenient Packaging: 5-gallon pail in White for larger projects

Specifications Table:

Specification Details
Product Name Premium Acrylic HydroStop Base Coat
Brand GAF
Color White
Package Size 5 Gallon Pail
Unit of Measure 5GL (GAL)
Formulation High-solids elastomeric acrylic coating
Intended Use Basecoat in HydroStop system to improve adhesion of HydroStop TopCoat
Application Methods Conventional or airless spray equipment, brush, or roller
Certifications/Approvals ANSI/UL 790 Class A; FM 4470 Approved; Passes FM Severe Hail; Miami-Dade County NOA 20-0130.07
Item Weight 60 lb
Manufacturer Number 890291920
Product Number GAFPHSBC5

Frequently Asked Questions (FAQ):

Q: What is the primary purpose of this base coat?
A: It serves as the base layer in a HydroStop system to improve adhesion of the HydroStop TopCoat.


Q: How can it be applied?
A: Use conventional or airless spray equipment, or apply with a brush or roller.


Q: What color and size is this SKU?
A: White color, packaged in a 5-gallon pail.


Q: What certifications does it carry?
A: ANSI/UL 790 Class A, FM 4470 Approved, passes FM Severe Hail, and Miami-Dade NOA 20-0130.07.


Q: What type of formulation is it?
A: A high-solids elastomeric acrylic coating.


A sleek, seamless foundation for resilient rooftops

Like a tailored underlayer, this base coat creates a refined foundation that elevates the entire roof assembly. Its high-solids acrylic sheen whispers durability while setting the stage for a flawless HydroStop topcoat. Pair it with crisp, light finishes to reflect sun and sharpen architectural lines. It’s the quiet essential that ensures a polished, long-lasting, luxury roofscape.


Choose this professional-grade base coat to anchor your HydroStop system with reliable adhesion and certified performance.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73904295426

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Verified Purchase
Jyh-Meng Wang
Alexandria, US
★★★★★ 5
Remarkable product from a well known brand
Size: 34W x 32L, Color: Blue Blazer
Very good in quality.Fitting & comfort to wear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
C
Verified Purchase
Castellucci
Charlottesville, US
★★★★★ 4
On sale purchase and glad I waited.
Size: 33W x 30L, Color: Stone
I'm 6'1 186lbs size 33x30, I don't workout but for whatever reason my calves pose a problem with a few brands and styles of pants. These feel wonderful and the color is awesome. Minus the tight area in the calves these are perfect for summer in Oklahoma. I usually wear these with light brown or gray penny loafers no socks or some suede Allen Edmonds chelsea boots and a white vneck tshirt. I got these on an extremely good sale so that helps. I wouldn't pay full price for whatever that's worth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
F
Verified Purchase
Fernando Jesús
Phoenix, US
★★★★★ 4
La frescura del tejido
Size: 32W x 30L, Color: Summer Evening
Exelente tejido. Eso sí, corre muy casi 2" sobre la talla.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
J
Verified Purchase
Jyh-Meng Wang
San Leandro, US
★★★★★ 5
Remarkable product from a well known brand
Size: 34W x 32L, Color: Blue Blazer
Very good in quality.Fitting & comfort to wear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
C
Verified Purchase
Castellucci
Belleville, US
★★★★★ 4
On sale purchase and glad I waited.
Size: 33W x 30L, Color: Stone
I'm 6'1 186lbs size 33x30, I don't workout but for whatever reason my calves pose a problem with a few brands and styles of pants. These feel wonderful and the color is awesome. Minus the tight area in the calves these are perfect for summer in Oklahoma. I usually wear these with light brown or gray penny loafers no socks or some suede Allen Edmonds chelsea boots and a white vneck tshirt. I got these on an extremely good sale so that helps. I wouldn't pay full price for whatever that's worth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026

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