Important properties of Thermo Ash tongue and groove board

This profile has a tongue and groove. The longitudinal sides are provided with a chamfered side. When pushed together, this creates a V-shaped groove. Other common names for this profile type are tongue-and-groove, tongue-and-groove boards, planed and plowed parts or roof boarding. Note: always install horizontally with the tongue upwards so that no water can run into the groove.
Working width: 135 mm
The planks are sorted on one visible side, the rear contains possibly some local planing errors, tire marks and/or roller marks.
The production reserves the right to deviate a maximum of 3-4% from the head size, in order to be able to plan a nice, straight and dimensionally stable product. In addition, humidity can affect the head size (dry and warm weather causes shrinkage).
We supply wood at trade length. This means: not sawn square and not shortened to length, often with some excess length.
Dry cracks can be seen on the short sides. Always calculate at least 10 cm extra sawing loss in length.
Correct installation is very important. Good ventilation, sufficient framing and correct fastening are required. Before you start, read our mounting tips and instructions carefully!

Sustainability:

EUTR: this product complies with the European Timber Regulation – 995/2010. This European regulation prohibits the marketing of illegally harvested wood. The party that first places the product on the European market has a duty of care to demonstrate that the product has not been illegally harvested or traded.

KD Humidity

This product is kiln dried before undergoing a heat treatment. This product has a more or less elaborated form.

FAS Grade

This product is sorted according to the FAS (First and Second) grade. This is the most common and also the highest grade of (tropical) hardwood. With this grading, at least 83.3% of the wood is free from defects, small defects can occur over the remaining part. For complete defect-free processing, this product must be assembled saw-falling.

Thermo Ash

Ash is a yellow/brown wood from Europe. It is a wood that comes from a temperate climate and is harvested in responsibly managed forests. Due to the more local growing area, the use of Ash will have a smaller ecological footprint compared to tropical hardwoods.

During thermal modification, the Ash takes on a warm brown color (honey brown to espresso). Thermo Ash grays over the years, just like any other type of wood. This does not affect the durability. The class of this thermally modified wood species is durability class 1-2. Due to its excellent properties, Thermo Ash is suitable for applications such as facade and wall cladding, garden houses, terraces and gates. This is partly due to the wood's shape retention and excellent resistance to various weather conditions.

The wood rarely has a cross-grained grain and is mainly straight. Color differences are a natural feature of this wood once it has been thermally modified. These color differences are partly due to the structure, but also due to the different places of origin.

Advantages

Low moisture absorption and limited effect of the wood
High durability, stability and good insulation properties
Very suitable for outdoor use
Robust, nostalgic and stylish appearance
Environmentally friendly alternative to tropical hardwood< /li>

Processing

The installation of Thermo Ash is easy with the invisible fixing system of B-fix. You can also fix the wood with stainless steel screws. We recommend that you always pre-drill the wood to prevent the risk of cracks and splitting. Do not use galvanized screws; these create black spots and streaks on the wood over time.

Caution: Even with thermally modified wood, surface cracks are normal and stress cracks are possible. A normal width of these cracks is 1-3 mm and the length can vary. Stress cracks mainly occur along the front, where water absorption and release are higher. We therefore always recommend adding 10% wood to your order. This way you can be sure that you have enough material to work with.

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