UC4 (Use Class 4): This means that the timber has been treated to a standard that makes it suitable to be in permanent contact (or near contact) with the ground outside, or to be used in frequently wet conditions.

Incised, Kiln Dried & Pressure Treated: Pressure treatment helps to protect the timber against rotting & fungal attack, and kiln drying & incising help the treatment to penetrate more fully & deeply into the timber.

15-Year Guarantee: This product is guaranteed to last for a minimum of 15 years, this means that they're great value for money.

FSC Certified: This means that the timber is sustainable and sourced from managed forests, making them more eco-friendly.