Treated Tongue & Groove Timber
Our tongue and groove boards are manufactured from high-quality kiln-dried redwood timber, providing excellent stability and a smooth finish. Each timber tongue and groove board is pressure treated with Tanalith for long-term protection against decay, rot, and insect attack –making them ideal for outdoor use.
Key Benefits:
- Strong, interlocking design for a flat, secure cladding finish
- Kiln-dried for reduced warping, twisting, and shrinkage
- Treated for enhanced durability and long service life
- Versatile – ideal for sheds, cabins, garden rooms, fencing, and other outdoor buildings
Available Sizes (nominal vs finished):
- 16mm x 125mm → finished thickness approx. 12mm, cover approx. 114mm
- 19mm x 100mm → finished thickness approx. 15mm, cover approx. 85mm
- 25mm x 125mm → finished thickness approx. 20mm, cover approx. 114mm
This is a Caldmark Quality Assessed Product, ensuring consistency, reliability, and performance.
All prices are excluding VAT. Prices suffixed with “pm” are per metre. All prices are subject to change.
