Rapid-Set Polyurethane™ Adhesive
Our Rapid-Set Polyurethane™ Adhesive is specially formulated for hardscaping and construction projects and provides a fast set, 24 hour cure, and permanent bond to almost any material, even non-porous substrates.
- 1 Hour set-up time
- Specifically designed for peak performance in construction and landscape projects
- Suitable for dry or damp surfaces
- High temperature compatible up to 400°F
- Interior and exterior applications
- Premium, long-lasting strength
- 12-month shelf life
- VOC compliant
- Coverage: 1/4″ Bead: 10 oz. 32 ft, 28 oz. 89 ft
- Coverage: 3/8″ Bead: 10 oz. 14 ft, 28 oz. 35 ft
- Firepits (up to 400°F (204°C))
- Retaining walls
- Pavers
- Concrete
- Pool Copings
- Foam/Vinyl/PVC
- Brick
- Metals
- Wood
- Natural Stone
- Non-porous Substrates
- Most common landscaping and construction materials
- Indoor and outdoor

PART NUMBER | SIZE | AMT PER CTN | QUANTITY |
APU 10 | 10 oz | 12/CTN | 64 CTNS/PLT |
APU 28 | 28 oz | 12/CTN | 44 CTNS/PLT |
CONTRACTORS: If you are a contractor looking to try one of our products, click here for a dealer in your area, or click here to connect with your local sales rep for a demo.
DEALERS: If you are a dealer looking for an in-store demo or to bring a product in, click here to find your local sales rep.
HOMEOWNERS: If you are a homeowner, click here to find a dealer in your area.
Rapid-Set Polyurethane Adhesive Instructions
Clean Surface
- Surfaces must be clean and free from oil, grease, dust, excessive water, ice, or any other material that may interfere with proper adhesion.
- ON METAL SURFACES – Remove scale, rust, or other coatings to expose a bright clean surface.
- ON CONCRETE, STONE, OR OTHER MASONRY SURFACES – Expose a sounds surface free of contamination and laitance.
- ON WOOD SURFACES – The surface must be clean and sound. Scrape away paint to bare wood.
Attach to Cartridge Gun
- Cut tip on slant for 1/4˝ to 3/8˝ bead. Puncture inner seal with nail or wire and place in cartridge gun.
Apply Adhesive
- Using caulking gun, apply the adhesive to one of the surfaces in a continuous bead.
Press and Twist
- Press surfaces together firmly with a slight twisting motion.
Coverage
- Coverage: 1/4″ Bead: 10 oz. 32 ft, 28 oz. 89 ft
- Coverage: 3/8″ Bead: 10 oz. 14 ft, 28 oz. 35 ft
CLEANUP AND STORAGE
- Clean uncured adhesive with mineral spirits
- Dispose of contents/container to hazardous or special wast collection point.
- 12 month self life
- Store in a cool, dry place in upright position out of direct sunlight and where it will not not freeze or be damaged by low temperatures
CURE TIME
- Cure time varies with temperature, humidity, and the porosity of the materials joined.
- 60 – 90 minute firm set
- 24 – 48 hour full cure
- 15 minute working time
USER TIPS
- When using on non-porous materials like foam, metal, etc. apply a light mist of water during application to speed curing.
- Cure times vary depending on humidity, porosity, temperature, and materials bonded together. Typical set-up time is 60-90 minutes.
APPLICATION TEMPS: For ease of extraction, working temperature should be between 45 – 90°F. Above 90°F (32°C), use additional supports for 24 hours. Below 60ºF (15ºC), product may be difficult to extrude.
PRIMING: Rapid-Set bonds well to most substrates; however, it is the user’s responsibility to check the adhesion of the cured adhesive on specific substrates.
Wearing gloves during application is highly recommended. Once material has cured it cannot be removed.
- Not for continuous submersion or use below the waterline.
- Not intended for direct contact with flames or fire brick.
Video
SRW Rapid-Set Polyurethane Adhesive is the strongest on the market for all your hardscape and construction projects. Now available in two formulas!Where can I buy SRW adhesive?
How much does the tube of adhesive cover?
Bead Size | 10 oz. Tube | 28 oz. Tube |
¼” bead | 32 feet | 89 feet |
3/8” bead | 14 feet | 35 feet |
Can I use Rapid-Set Polyurethane on other surfaces like metal or wood?
Do you have additional questions? Contact us.