Creates Flexible Seals on Expansion Joints
3Mâ„¢ Polyurethane Construction Sealant 525 is a single-component, moisture-curing polyurethane sealant used to seal construction expansion joints. It can seal a wide variety of materials, including plastics, fiberglass reinforced plastic (FRP), sheet molding compound (SMC), aluminum, steel, coated metal and wood. It creates a strong, permanent elastic bond with elongation of over 800%. It will seal a wide selection of materials, including concrete, wood, PVC and metal. This adhesive will perform in temperatures ranging from -22?F/-40?C to 176?F/80?C. Once skin has formed, this sealant can be painted to improve the final finish. Available in cartridges, sausage packs and bulk format to meet your application needs.
Recommended Applications
- Sealing expansion joints
Understanding Polyurethane Sealants
Polyurethane sealants provide strong, flexible durable elastomeric bonds that seal against the elements. These sealants excel in challenging industrial, transportation and construction applications. Polyurethane sealants are available in a wide variety of Shore A hardness, open time and colors to meet many application needs. Choose a 3M Manual or Pneumatic Applicator for dispensing 3M adhesives sealant cartridges and 400ml/600ml sausage packs.
Bringing Better Ideas to the Surface through Science and Innovation
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.

 3M 15913, Scotch-Brite Roloc Disc High Strength, TR, 2 in X NH A Medium, 7000000710
3M 15913, Scotch-Brite Roloc Disc High Strength, TR, 2 in X NH A Medium, 7000000710						 3M 06535, Marine Adhesive Sealant 5200FC Fast Cure, PN06535, White, 1 oz Tube, 7010367674, 12/Case
3M 06535, Marine Adhesive Sealant 5200FC Fast Cure, PN06535, White, 1 oz Tube, 7010367674, 12/Case						 3M 53735, Drywall Sanding Sheets 9091NA, 4.1875 in x 11 in, 2 Sheet Fine Grit, 7010314729
3M 53735, Drywall Sanding Sheets 9091NA, 4.1875 in x 11 in, 2 Sheet Fine Grit, 7010314729						 3M 26119, PPS Series 2.0 Adapter, Type S27, 16 mm Male, 1.5 mm Thread, 7100135925
3M 26119, PPS Series 2.0 Adapter, Type S27, 16 mm Male, 1.5 mm Thread, 7100135925						 Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint						 3M 14708, Heavy Duty Spray Adhesive 20, Clear, 16 fl oz Can (Net Wt 13.8 oz), 7100179437, 12/Case
3M 14708, Heavy Duty Spray Adhesive 20, Clear, 16 fl oz Can (Net Wt 13.8 oz), 7100179437, 12/Case						 3M 29829, Sanding Screen, 80 Grit, 19 in x NH, 7100160252
3M 29829, Sanding Screen, 80 Grit, 19 in x NH, 7100160252						 3M 29851, Sanding Screen, 100 Grit, 15 in x NH, 7100160814
3M 29851, Sanding Screen, 100 Grit, 15 in x NH, 7100160814						 3M 29821, Sanding Screen, 150 Grit, 20 in x NH, 7100160254
3M 29821, Sanding Screen, 150 Grit, 20 in x NH, 7100160254						 3M 62820, Adhesive Sealant 760 UV, Gray, 600 mL Sausage Pack, 7000046611, 12/Case
3M 62820, Adhesive Sealant 760 UV, Gray, 600 mL Sausage Pack, 7000046611, 12/Case						

 
				 
				 
				 
				