About the product

Finnjoist® I-Beam Joists – Engineered Strength for Smarter Building.

Discover Metsä Wood’s Finnjoist® (FJI) precision-engineered timber I-beam joists that deliver unmatched strength, stability, and performance for modern flooring systems.

Why Choose Finnjoist®?
Finnjoist® I-beams are designed to make your construction projects smoother, faster, and more reliable. Whether you’re building a new home, renovating, or managing a large-scale development, these joists offer:

Superior Strength & Rigidity
Built with high-quality Kerto® LVL flanges and OSB3 web, Finnjoists resist bending and twisting, ensuring long-lasting structural integrity.

Minimised Floor Movement.
Finnjoists provide consistent support, reducing bounce and vibration.

Lightweight & Easy to Install.
The lightweight design makes handling and installation quicker and safer, saving time and labour costs on site.
Consistent Quality
Manufactured in controlled conditions for uniform size, strength, and moisture resistance. No surprises, just dependable performance.