When constructing a wooden building, choosing a structural wood capable of supporting all weight is vital. C16 timber is graded to ensure that it offers a solid level of strength, making it perfect for structural applications within buildings, such as frames and joists. C16 timber is classified as any kiln-dried softwood timber that has passed the criteria certifying it to the C16 grade. C stands for coniferous, or softwood. Treated timber can be used in outdoor environments or ones that are exposed to the elements, resisting erosion from rain and a variety of insects that could otherwise burrow into wood. All C16 is kiln-dried to ensure a moisture level of less than 20% C16 Treated timber comes with water resistance as well as insect resistance Variety of sizes and lengths available For further help and support with this product or any of our other products, please contact a member of our experienced sales team today