These C16 Timber Joists Treated 47x100mm (4×2) are a reliable and cost-effective choice for a wide range of structural and general construction applications.
Manufactured from quality softwood and machine graded to C16 standard, these joists provide consistent strength and performance, making them ideal for flooring, roofing, stud walls, and general carcassing work. The pressure treatment enhances durability by protecting the timber against moisture, rot, and insect attack, making it suitable for both internal and some external uses.
Lightweight and easy to handle, these joists are perfect for both professional builders and DIY projects. Their versatility makes them a popular choice across construction jobs where dependable structural timber is required.
Regularised for a smoother finish, the timber features eased edges for safer handling and improved consistency across each length. This ensures easier installation and a more uniform build.
Key Features:
- C16 graded structural timber
- Pressure treated for durability
- Ideal for carcassing, flooring, roofing & studwork
- Easy to cut, handle, and install
- Smooth, regularised finish with eased edges
- Cost-effective construction timber
- Suitable for internal and some external applications
Important Information:
Timber is a natural product, so variations in colour, grain, and texture may occur. Finished sizes may be slightly less than nominal dimensions due to the regularising process.




