GAF Acrylic Base Coat Light Gray 5 gal

The GAF Acrylic Base Coat Light Gray 5 gal is a liquid applied systems for jobs that require GAF model/MPN 890277419CQ in the 5G sell unit. GAF Roof Mate Base Coat is a water-based acrylic elastomer base roof coating utilizing the latest advances in acrylic technology.

Key Specs

• Brand: GAF
• Model / MPN: 890277419CQ
• SKU: GAF890277419
• Sell unit: 5G
• Product type: Liquid Applied Systems
• Size / color: 5 gal
• Category: Commercial Roofing | Commercial Roofing/Membranes | Commercial Roofing/Membranes/Liquid Applied Systems
• Coverage / unit: 5 gal per listed unit

Key Features

• Builds film thickness necessary to protect the roof GAF Acrylic Base Coat is a “breathable” coating, allowing moisture vapor to pass through the film while remaining resistant to mass water penetration
• Algae protection; has powerful biocides for mildew resistance
• Designed with non-migrating fire retardants Distinguishable color from GAF Acrylic Top Coat for spotting substrate not yet covered

Coverage & How Much You Need

This item is listed as 5 gal per listed unit. Use the project takeoff, manufacturer installation instructions, and expected waste/overlap to confirm the order quantity.

Compatibility / Fitment

Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different liquid applied systems, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

GAF Acrylic Base Coat Light Gray 5 gal, sold as 5G, with SKU GAF890277419 and manufacturer model/MPN 890277419CQ.

What model or part number should I match?

Match model/MPN 890277419CQ and confirm the brand is GAF. If the job spec lists a different model, size, color, or system family, hold for review.

What unit is the price based on?

This listing is built around the 5G sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Use 5 gal per listed unit, then add waste or overlap per the manufacturer instructions and the project design.

What should be checked before purchase?

Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.

Verify the manufacturer instructions, local code, and project specification before installation or substitution.

Product Expert Notes

Choose this item when GAF model/MPN 890277419CQ, SKU GAF890277419, and the 5G sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.