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These structurally engineered timber joists are currently used in most new homes. They’re made from a web sandwiched between top and bottom flanges, which is glued, pressed and heat-cured. The I-shaped cross-section gives them their name, but also means they can carry far heavier loads than a conventional timber joist of equivalent weight.

Crendon offers Metsa Wood Finn Joists from stock, which are available in a range of depths and thicknesses in lengths up to 14m and offer a very cost effective alternative to solid timber for floor joists and flat roof members, eliminating the shrinkage, splitting and warping common in traditional floors.

Finnjoist I-Beams Download

Finnframe Floor System Download

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