StoSeal™ STPE Sealant

StoSeal™ STPE Sealant — High-Movement, Durable Sealant for Facades & Interiors
Seal joints with confidence using StoSeal™ STPE Sealant — a premium, flexible, silyl-terminated polyether sealant designed for demanding exterior and interior applications. Combining silicone’s adhesion and polyether’s flexibility, it offers industry-leading movement capacity, primer-free bonding, and long-lasting weather resistance.

Looking for a sealant that moves with your building and stands up to the elements? StoSeal™ STPE Sealant is engineered to deliver.

• Exceptional movement capability: +100/-50 movement class for superior joint flexibility
• Primer-free adhesion: Bonds to most substrates without primers for faster installation
• Moisture & weather resistant: Durable against environmental exposure and moisture intrusion
• Low VOC & eco-friendly: Only 8 g/L VOC, free of isocyanates for safer use
• Versatile colour options: Available in 8 standard and 300+ custom colors, packaged in 20-oz sausages for minimal waste

System Composition & Coverage

• Packaging: 20-ounce sausage cartridges for precise, waste-reducing application
• Coverage: Varies based on joint size and depth; refer to the StoSeal™ STPE Product Bulletin for detailed guidance

Product Bulletin

Safety Data Sheet

Specifications

Installation Guide

Brochure