7x2 Timber C24 Regularised Sawn Joist 47x175mm

Our 7x2 Timber is a popular choice of timber for framing applications in walls, floors, and roofs, and as a structural timber due to its C24 strength grading. Its strength and width also make it a perfect choice for building outdoor structures such as decking or outdoor planters, when used with an appropriate treatment and moisture barrier. 

Our 7x2 timber is a strong, C24 timber graded for structural use, and is available in a range of lengths and optionally pressure treated. Both these timbers are structural timbers suitable for framing and building roof, wall and floor structures, though our pressure treated timber also includes treatment for resistance against pests and rot. 

In the UK, regularised timber is most commonly classified into two grades: C16 or C24. The "C" signifies the wood type, specifically Conifer. The number (24/16) indicates the bend strength - which is based on factors such as imperfections and knots. While C24 is the stronger grade, C16 remains exceptionally strong and is used in numerous wall and roofing applications.

Though often timber is referred to by its size in inches, 7x2 timber does not measure exactly its equivalent size in mm which is approx 47x175mm. 7x2 timber is how it’s traditionally known and continues to be used as the most common name for it, but as all of our 7x2 timber is regularised - which means it is planed to achieve smooth and regular dimensions along the length of the timber - in reality the timber measures a few mm smaller - closer to  45mm x 170mm. As the difference is so small, rarely if ever does this cause an issue when using the timber for its intended purpose.

Our Treated 7x2 Timber is treated to UC2 for resistance to moisture and pests and can be used in outdoor construction - though timber in direct contact with moisture may need further treatment.