System 8000W

For adjustable height 95 – 470 mm, excl. Floor covering.

A subfloor system made of a specially developed wooden beam, primarily for CLT and other types of wooden flooring, which provides effective step and airborne sound insulation for different sound classes. This wooden beam is much more dimensionally stable than a normal wooden joists. Provides a dry and fast installation where many installations can be hidden in the space between the CLT and the upper floor. An even more environmentally friendly alternative than our steel girders with a 50% lower CO2 impact compared to concrete screeds of various kinds.
Picture of System 8000 with sound insulation - Granab




Principle drawing installation Subfloor system 8000W in homes.

Our systems

Granab subfloor system 3000N

For adjustable heights from 30 to 140 mm, excluding floor covering.

Granab subfloor system 7000N

For adjustable heights from 50 to 420 mm, excluding floor covering.

Granab Subfloor system 8000W

For adjustable height 85 – 470 mm, excl. Floor covering. For new construction and renovations, primarily for wooden flooring e.g., Cross-laminated timber.

Granab subfloor system 9000N

For adjustable heights from 70 to 420 mm, excluding floor covering.