Enhanced Sealant Adhesion
Strong Surface Bonding
Porous Substrates
ASTM C920 & BS EN 15651
FORTRITE PRIMER 5 is a specialized primer for polyurethane sealants, enhancing adhesion on porous surfaces like concrete, masonry, and stone. It ensures strong, durable bonding and long-lasting joint performance, especially when used with FORTFLEX 40.

Every product is formulated with international standards in mind, ensuring consistency, reliability, and long-term performance on-site.

We don’t just sell chemicals — we provide advanced construction solutions, tailored to meet modern infrastructure challenges.

Our clients are at the heart of everything we do. From technical guidance to after-sales support, we ensure every project gets the attention it deserves.

Backed by industry knowledge and R&D, our team offers the right solutions for complex construction needs — from admixtures to waterproofing.

Trusted by builders, contractors, and developers, our products have been used in diverse projects ranging from homes to high-rise towers and infrastructure works.
Fortune Chemicals products have improved our construction quality and consistency. Reliable results every time!