Grinwood guarantees that, for a 15-year period under normal and correct service conditions, and under installation conditions in compliance with instructions written by Grinwood.

Grinwood boards will not be subject to any defect related to their manufacturing, cracks, splinters, delamination, rotting or structural damage caused by fungi, wood-eating insects or termite attacks.

Grinwood guarantees the resistance of wall boards to stains and fading, subject to compliance with instructions for installation and use in residential applications.