Best for
Exterior cladding, soffits, deck surfaces, facade accents and premium outdoor rooms.
Materials
Thermally modified ash for refined exterior wood systems with improved dimensional stability.
Discuss this productOverview
Thermo Ash is thermally modified to improve dimensional stability while retaining a refined wood character.
It is a strong candidate for exterior cladding, soffits, decking and detail work where clean grain and stability matter.
Exterior cladding, soffits, deck surfaces, facade accents and premium outdoor rooms.
Profile, ventilation, finish protection, board movement and exposure level.
Refined, stable and architectural.

Detailing
Thermo Ash helps deliver a more stable exterior timber surface when paired with correct detailing and maintenance planning.
Specification notes
Use ventilated detailing for cladding.
Choose profiles around shadow and rhythm.
Review finish strategy for UV exposure.
Next step
Share drawings, area, location, indoor or outdoor use, timeline and reference images so Grid Floors can recommend the right surface direction.