LDC OLLA is our brand new pattern in ThermoWood® and can be equipped with tongue and groove on all 4 sides. It will give your facade or project a smooth look. This pattern in Ayous can be treated with Burnblock®, the 100% natural fire-retardant, to the desired reaction to fire class.LDCwood® ThermoWood® Ayous (durability class I) is knot-free and is always quarter-sawn, which ensures absolute top quality. LDCwood® Ayous is available in exceptional dimensions which makes it extremely versatile for different applications and projects. Ayous is harvested from sustainably managed forests and is OLB certified.