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Product summary Technical specification Case studies


When choosing a material to create a wood deck; beauty, strength and all-weather performance are important. Accoya®’s long life wood will not warp, split, swell or be affected by fungi, water uptake or rot. Combined with durable anti slip inserts, Gripsure decking made with Accoya® benefits from long-life and high performing slip resistance for safe use all year round. No additional treatment or maintenance is required, we recommend cleaning once a year for aesthetics.

Accoya® wood has a 50 year desired in service life above ground and 25 years in-ground of fresh water.  

10-year non-slip performance warranty

Nominal size of profile: ex. 150mm x 32mm

Finished size of profile: 142mm x 22mm

Lengths: 2m - 4.8m

Finish: Two non slip aggregate strips

Uses: Commercial decks, access ramps, pedestrian areas, marine applications, hotels, restaurants

Lead time: Please call a member of the sales team for a lead time

NBS link -

Technical specification

Timber board:
Gripsure decking made with Accoya® wood uses sustainably grown pine modified by acetylation. This increases the amount of naturally-occurring acetyl molecules and reduces the amount of hydroxyls. Improving the timber’s durability, stability and service life. Accoya wood has exceptional durability and is warranted for 50 years above ground and 25 years in-ground or fresh water.
10-year non-slip performance warranty:
Gripsure decking made with Accoya® comes with a 10-year non-slip guarantee, so when it comes to eliminating the risk of accidents, you can rely on Gripsure to out perform other products – guaranteed. Initial slip resistance PTV of 85 guaranteed slip resistance after 10 years PTV 55. As measured under BS7976 using the pendulum test (recommended by the HSE) and the guidelines from the UK Slip Resistance Group. 
Accoya® wood’s durability (rot resistance) is Class 1 (BS EN350-2), matching and even exceeding the performance of nature’s most durable woods such as Oak, Teak, Iroko and Sapele. Every batch of Accoya® wood is tested after production to ensure that its durability can be guaranteed.
By significantly enhancing the durability and dimensional stability of fast growing, abundantly available certified wood species, Accoya® wood provides compelling environmental advantages over scarce slow growing hardwoods, woods treated with toxic chemicals, and non-renewable carbon-intensive materials such as plastics, steel and concrete.
Joist centres are recommended to be between 350-400mm, providing the uniform distributed load is 4.0kN/m2 and the joists are graded at C16. When using bearers impregnated with a pigment, isolate the Accoya® deck boards from the bearers. 
A natural timber finish that will weather to a natural grey colour.
6.7 linear metres per m2
Gripsure’s decking made with Accoya® is supplied with tolerances of up to +/- 1mm over the width and depth, 
you should allow for at least 0.4% longitudinal movement. Precision cross-cutting of lengths is available on request. Tolerances for the non slip inserts are +/-2mm for width and height. 
Stainless steel decking screws (A2 or A4) must be used for fixing Gripsure decking made from Accoya®.

Case studies

The Rising Path

The Rising Path at Cambridge University's Botanic Garden

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