Roberts 6399 Firm Set Transitional Pressure Sensitive Adhesive

High-performance acrylic pressure-sensitive adhesive designed for resilient flooring and carpet tile installations. Provides aggressive tack, superior shear strength, and long working time for heavy-traffic applications.

As low as $39.00

Brand: Roberts

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SKU
ROBERTS 6399

Roberts 6399 Pressure Sensitive Adhesive — LVT LVP VCT Flooring Glue

The Roberts 6399 Firm Set Transitional Pressure Sensitive Adhesive is a high-performance acrylic adhesive engineered for demanding flooring installations in both residential and commercial environments. Designed to deliver strong initial tack and long-term durability, it provides exceptional resistance to lateral movement and rolling loads, making it ideal for high-traffic areas.

This versatile adhesive supports installation of a wide range of flooring materials, including luxury vinyl tile (LVT), luxury vinyl plank (LVP), vinyl composition tile (VCT), vinyl sheet goods, carpet tile, and stair treads. It is also suitable for cushion-to-substrate applications.

Roberts 6399 offers flexible installation methods. When used as a pressure-sensitive adhesive, it provides up to 60 minutes of open time and up to 12 hours of working time. For semi-wet installation, it offers a 20-minute open time and 40-minute working time. As the adhesive cures, it transitions into a firm, permanent bond, combining ease of installation with long-term performance.

Compatible with a wide range of substrates including concrete, primed gypsum, cement backerboard, plywood, OSB, terrazzo, ceramic tile, and properly prepared existing flooring, it delivers reliable bonding across diverse applications. The adhesive also performs well over radiant-heated floors up to 85°F (30°C).

Enhanced with Microban antimicrobial protection, Roberts 6399 helps prevent the growth of odor- and stain-causing bacteria. Its low VOC content, FloorScore, and CRI certifications make it a safe and environmentally responsible choice for indoor use.

With coverage up to 350 sq. ft. per gallon, excellent moisture resistance, and clear-drying formulation, Roberts 6399 provides professional installers with a dependable, high-performance adhesive solution.

Key Features and Benefits

  • Firm Set Transitional Adhesive — Installs like a pressure-sensitive adhesive and cures to form a strong, permanent bond
  • High Tack and Shear Strength — Aggressive initial grab and superior resistance to lateral movement make it ideal for heavy traffic and rolling loads
  • Wide Flooring Compatibility — Suitable for LVT, LVP, VCT, vinyl sheet flooring, carpet tile, stair treads, and cushion-to-substrate applications
  • Dual Installation Methods — Can be used as pressure-sensitive (60 min open / 12 hr working time) or semi-wet (20 min open / 40 min working time)
  • Excellent Moisture Resistance — Performs under high moisture conditions up to 99% RH and 12 lbs. MVER
  • Microban Antimicrobial Protection — Helps resist bacteria growth that can cause odors and product degradation
  • Dries Clear and Easy Cleanup — Clear-drying formula maintains clean appearance and simplifies installation
  • Low VOC and Certified Indoor Air Quality — Low odor, VOC <1 g/L, FloorScore and CRI certified for safe indoor use
More Information
SKUROBERTS 6399
Non-ReturnableNo
ManufacturerRoberts
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