Underfloor heating installed in the Granab system

Underfloor heating is installed in Granab systems in an increasing number of residential projects.

Granab systems with non-deformable girders of either steel or wood is not affected by temperature variations, which is a major advantage in avoiding subsequent floor construction problems.
Most available floor heating systems can be installed in combination with Granab Subfloor Systems, which provide significant benefits.

When choosing waterborne underfloor heating, two alternative primary systems are installed in Granab Subfloor Systems 3000N and 7000N:
See below

Underfloor heating in 22 mm chipboard flooring with grooves.

Grooved 22 mm chipboard flooring that is glued and screwed in place on the Granab girders.

underfloor heating-in-chipboard flooring

Underfloor heating in sealed floor heating units

Example-of-underfloor heating-in-sealed units

Underfloor heating in sealed floor heating units Underfloor heating in sealed floor heating units Heating coils are installed in the floor heating units. The sealed unit/floor plate is fitted parallel to the subfloor system’s girders and on the sealed unit brackets, which are mounted between the girders (System 7000).

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.