COTE A985 GYP™
Primer for Alkaline or Porous Substrates
Product overview
COTE A985 GYP is an acrylic floor primer solution designed to enhance flooring substrates prior to the application of floor covering adhesives. This primer promotes a superior bonding surface for porous substrates, improves the spread rate of floor covering adhesives, and protects the adhesive from damage caused by alkalinity.
COTE A985 GYP is designed and warranted for use only in conjunction with adhesives manufactured by Bostik.
Geographic availability
- United States
Available sizes
4 gallon pail
Smart Advantages
Promotes a better bonding surface
Blocks surface pH
Roll on application
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TDS
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SDS
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COTE A985 GYP Sell Sheet
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FloorScore Certification Registration SCS-FS-05259
Next events

Bostik Academy
Flooring Surface Prep & Adhesives
Flooring Surface Prep & Adhesives
September 24 - 25, 2025
Bostik Academy - Temecula
27430 Bostik Ct.
Temecula, CA 92590
27430 Bostik Ct.
Temecula, CA 92590
Presented by Bostik, learn about our innovative surface prep, tiling, hardwood and resilient ...

Bostik Academy
Flooring Surface Prep & Adhesives
Flooring Surface Prep & Adhesives
August 20 - 21, 2025
Bostik Academy - Temecula
27430 Bostik Ct.
Temecula, CA 92590
27430 Bostik Ct.
Temecula, CA 92590
Presented by Bostik, learn about our innovative surface prep, tiling, hardwood and resilient ...
Use Environments
- Offices/Light Commercial
- Residential
- Hospitality
- Heavy Commercial
- Hospital/Healthcare
COTE A985 GYP may be used over these substrates
- Concrete
- APA Plywood
- Portland Cement
- Gypsum-Based
LEED® Contribution
This 0-VOC formulation may contribute toward LEED® credits under LEED® v4 Credits: IEQ Credit 2.1 and IEQ Credit 2.2.
Related market & applications

Wall & Floor
- Soft Flooring