Accoya sash windows

Accoya® is the world’s leading long-life wood created from sustainably grown, softwood timber via an environmentally friendly process. We’ve been using Accoya for all of our new sash windows, doors and casement window joinery for years.

Accoya sash windows in Brighton

Why we install Accoya sash windows, casement windows and doors

We’re happy to use Accoya in any of our joinery work, especially as it helps protect our planet and its precious hardwood resources. And because Accoya is so robust, it also comes with a 50 year guarantee for exterior use and 25 years in the ground – making it a great long-term investment for you and your home.

Accoya wood is the perfect material for wooden sash window and casement window frames, external wood doors and exterior window shutters as it offers improved thermal insulation properties in comparison with commonly used hardwood and softwood wood species and it is more durable and dimensionally stable than the best tropical hardwoods. Accoya wood has an enhanced coatings performance and can last twice as long, saving time, money and hassle. An Accoya wooden window or door is developed to excel in external applications, even in challenging conditions like by the sea or on a north facing wall.

Top reasons for choosing Accoya for your window scheme:

  • made from sustainable, FSC approved sources
  • guaranteed against timber rot for 50 years above ground and 25 years in ground/fresh water
  • environmentally friendly and fully recyclable
  • UV (sunlight) resistant
  • indigestible to a wide range of insects
  • better insulator than similar timbers
  • harder wearing and stronger than similar timbers
  • swelling and shrinkage is reduced by 75% or more
  • finishes and coatings such as paints, varnishes etc last up to 3 or 4 times longer.

The science behind Accoya windows and doors

Accoya wood is the result of more than 80 years’ research and development that has brought together a long-established and extensively proven wood modification technique. As part of them process, Accoya undergoes a leading-edge proprietary technology, which is known as non-toxic acetylation. The end result is a high performance material that permanently modifies the wood to the core. This environmentally friendly solid wood has durability, dimensional stability and beauty that matches or exceeds even the best tropic hardwoods.

Sourcing accoya for sash windows and French doors

Accoya wood is sourced from sustainable sources, including FSC and has class leading environmental credentials such as Cradle to Cradle™ Gold certification by the highly prestigious McDonough Braungart Design Chemistry (MBDC) organization.

Discover more about Accoya

® and the Trimarque Device are registered trademarks owned by Titan Wood Limited and may not be used or reproduced without written permission.

Call us
Brighton – 01273 258 226
Worthing – 01903 444 737
Mobile – 07787 518 229

Emails us
hello@topnotchsash.co.uk

Opening times
Monday to Friday
08:30 – 18:00