StoSeal SPU 1 Primer

One-Component Polyurethane-Based Primer for Sealant

Area of application

• Primer for porous substrates such as concrete, masonry, and cement screeds
• For enhancing adhesion of StoSeal SPU 1 or other Sto PU-based sealants/membranes
• Suitable for vertical and horizontal joints or cracks before sealant application

Properties

• Single-component, ready to use
• Low viscosity for excellent penetration into porous surfaces
• Improves adhesion to concrete and other cementitious surfaces
• Fast-drying with good recoat-ability
• Enhances performance of polyurethane-based sealants

* Product images may differ from the actual product.