• Product

LOCK A499 PSA™

Universal Pressure-Sensitive Adhesive
Product overview

Product previously known as Uni-Lock

LOCK A499 PSA is a multi-purpose, high-tack, water-based adhesive specifically formulated for the installation of most resilient flooring in residential and commercial applications. LOCK A499 PSA is a 0 VOC formulation. LOCK A499 PSA flashes off quickly, but has a long working time. It displays tenacious bond strength. LOCK A499 PSA has been formulated with exceptional application properties including excellent trowelability, fast tack/grab, low odor, and easy cleanup. 

Geographic availability
  • United States of America
Available sizes
4 gallon pail

Smart Advantages

 
Permanent, aggressive tack
Bonds a wide variety of flooring
Bonds up to 99% RH & 12.0 pH (for sheet vinyl, 90% RH & 10.0 pH) 

Next events

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JLC LIVE 2024 | Residential Construction Show

Conference: March 21-23, 2024
Exhibits: March 22 & 23, 2024
Rhode Island Convention Center
1 Sabin Street
Providence, RI 02903

JLC LIVE is the most anticipated regional trade event of the year for residential construction. ...

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Bostik Academy
Advanced Flooring Prep & Adhesives

March 14, 2024
8:00 AM - 4:00 PM
BPI
1316 North Hills Blvd. Suite 1 
North Little Rock, AR 72114
501-490-1924

Presented by Bostik, learn about our innovative flooring Surface Prep and Adhesive Solutions.

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Bostik Academy
Advanced Flooring Prep & Adhesives

March 12, 2024
8:00 AM - 4:00 PM
BPI
3263 Sharpe Avenue 
Memphis, TN 38111
631.249.3232

Presented by Bostik, learn about our innovative flooring Surface Prep and Adhesive Solutions.

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Bostik Academy
Advanced Flooring Prep & Adhesives

March 5, 2024
8:00 AM - 4:00 PM
Bostik Academy – Dallas
5111 Catron Drive
Dallas, TX 75227
631.249.3232

Presented by Bostik, learn about our innovative flooring Surface Prep and Adhesive Solutions.

LOCK A499 PSA may be used to bond

  • LVT or LVP
  • Sheet Vinyl
  • VCT
  • Carpet Tiles
  • Olefin-backed Vinyl

Use Environments

  • Offices/Light Commercial
  • Residential
  • Hospitality
  • Hospital/Healthcare
  • Heavy Commercial

LOCK A499 PSA may be used over these substrates

  • Concrete
  • APA-Grade Plywood
  • Gypsum Underlayment (Dry, above-grade applications only)
  • Well-Bonded Vinyl
  • Terrazzo

LEED® Contribution

LOCK A499 PSA™ is a 0 VOC formula and may contribute toward LEED® credits under LEED® v4 Credits: IEQ Credit 2.1 and IEQ Credit 2.2.

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