CRL TPR577 1/4" x 1" x 4" TPR Setting Blocks

C.R. Laurence TPR577 1/4" x 1" x 4" Thermoplastic Rubber (TPR) Setting Blocks offer a versatile solution for modern glazing applications. Designed to seamlessly integrate with silicone, butyl, polyurethane, and polysulfide sealants, these setting blocks are essential for ensuring a secure and durable installation. Constructed from 90 durometer shore hardness thermoplastic rubber, they deliver performance comparable to traditional neoprene setting blocks while providing excellent chemical resistance. The TPR577 blocks are UV stabilized, ensuring longevity and reliability in various environmental conditions. With dimensions of 1/4 inch in thickness, 1 inch in width, and 4 inches in length, they are available in the most popular sizes to accommodate a range of project specifications. Importantly, these blocks do not mar or stain surfaces, maintaining the aesthetic integrity of your installations. To ensure optimal compatibility, it is recommended to conduct job-specific testing with each silicone sealant manufacturer prior to installation. This proactive approach can help confirm the compatibility of the setting blocks with specific sealants using ASTM C1087-87, with results available in approximately four weeks. Choose C.R. Laurence TPR577 Setting Blocks for a reliable, high-performance solution that meets the demands of today’s architectural glazing projects.

1/4" x 1" x 4" Thermoplastic Rubber (TPR) Setting Blocks

• Compatible With Silicone, Butyl, Polyurethane, and Polysulfide Sealants
• UV Stabilized

Resources

• Safety Data Sheets 185.pdf