builders

Use Class 4 treated timber: specifying, buying and installing

by TDUK|26 April 2326 April 23|Build

Preservative treatment provides wood with added durability (against decay and insect attack). But, it’s a mistake to assume that all treated wood is the same. The level of preservative protection required depends on where it is to be used.

Developed by the Construction Products Association, CCPI is in response to one of the key findings of the enquiry into the Grenfell fire which confirmed that shortcomings in product information had contributed to the disaster.

Code for Construction Product Information (CCPI)

by TDUK|08 November 2230 January 23|Build, Supply

The UK is raising the bar on performance information supplied with construction products with Isuue 1 of the CCPI, published in September 2021.

The WPA Code of Practice for Industrial Wood Preservation (January 2021) groups the applications for treated wood into Use Classes.

The Buyer’s Guide to Preservative Treated Wood

by TDUK|08 November 2230 January 23|Build

The WPA Code of Practice for Industrial Wood Preservation (January 2021) groups the applications for treated wood into Use Classes

The Builder’s Guide to Plywood

by TDUK|21 September 2215 December 22|Build

Plywood is a highly versatile building material which spans a wide range of applications from wall and floor sheathing to designer interiors and glider fuselages. There are many types of plywood available, including specialist tropical veneers such as marine plywood which, while having very good weather resistance and strength properties,...

Sell the right treated timber

by TDUK|21 March 2205 September 22|Supply

David Hopkins, CEO of Timber Development UK, explains why merchants need to double check that they're selling correctly treated timber to their customers.

Understanding Use Class 2 (UC2)

by TDUK|21 September 2121 February 23|Build

Consumer and contract law require that any product offered for sale must be fit for its intended use and a wood product impregnated with preservative is no exception. The minimum standards for the treatment of wood are set out in British Standard BS8417 (Preservation of Wood: Code of Practice). In...