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Environmental Policy

Arden Windows has a full environmental policy which can be downloaded here for further information.  In addition to our policy we have taken a number of steps to improve our environmental credentials including the implementation of an Environmental Management System ISO 14001 and investments in machinery and working practices to reduce our carbon footprint described below.

Boron Timber Preservation

Over £500k investment has been made by Arden Windows Ltd in a new windows and doors paintline incorporating Boron preservative. Arden Windows continues to focus and develop its environmental position.  Arden Windows Ltd is the first ‘large scale' timber window manufacturer in the UK to use Wykabor for timber preservation for its factory finishing process.

In partnership with a high quality paint system, Arden Windows can now offer customers a superior range of windows and doors which have significant environmental and durability advantages over traditional vacuum impregnated joinery products.


In a traditional semi-detached house, 10 litres of VOC solvent preservative treatment are used (using traditional preservation methods that are harmful to the environment). So we decided to SAY NO to VOCs. If you want to find out more about why we switched to water based preservative click here for more information


Image of Say No to VOCs document

Wykabor Wood Preservative - Some Key Facts

Boron is an element ubiquitous in the environment. One of the most important functions Boron serves is to keep the world green. All plants depend on trace amounts of Boron to thrive, and trees need it to grow. We ingest trace amounts of Boron every day through our food and nutritional studies confirm Boron forms an essential part of a healthy human diet.

How does Boron preservation work?
Borates (salts of Boron) work to control insects and fungi that attack wood by inhibiting their metabolism. The Borates effectively impede the ability of organisms to process their food causing them to starve and eventually die. Borate preservative comes in an almost clear, water based solution which is flow coated onto the surface of the wood and allowed to dry prior to further factory finishing.

What are the advantages to our customers?
Compared to double vacuum impregnation, Borate preservation delivers significant environmental advantages including:

  • Significant reduction of VOCs - linked to the increased production of low level Ozone causing conditions such as asthma
  • Effective preservative absorption and retention - Firstly the flow coating process allow Borates to penetrate the wood via the woods' moisture content. A very low level of moisture content is required to achieve effective penetration; Secondly, if moisture levels increase in service, the Borates migrate deeply where-ever there is risk of decay
  • Boron based preservative run-off in the flow coating process is recyclable
  • Boron is not classified as an environmental hazard as it is naturally occurring and does not bio-accumulate
  • Boron has low acute mammalian toxicity (similar to table salt)
  • Low to zero emissions to air, land or water - Borates do not evaporate (unlike VOC based traditional preservatives) delivering high levels of protection throughout the life of the product

Above all else, Borates have a significant track record in protecting timber for very long periods of time, and have been used successfully for over 50 years as a method of timber preservation, both abroad and in the UK. When maintained in service, Arden Windows factory finished products come with a 35 year guarantee against insect and fungal attack, meeting and exceeding the requirements of Hazard Class 3 Protection for Joinery products.





Press Release 16th October 2020
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October 2020 Newsletter
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30 May 2020


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Ecobuild 2016
28 Jan 2016

Arden Windows at Ecobuild 2015 Stand E2150 - -

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Arden Windows exhibiting at Timber Expo
06 Oct 2015

Arden Windows exhibiting at Timber Expo, NEC

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Wood Window Specification Guide
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High Performance Wood Window Specification Guide P

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Videos from the Wood Window Alliance
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Arden Windows at VISION LONDON at Olympia
14 May 2015

Arden Windows exhibiting at VISION LONDON, Olympia

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Wood Window Alliance Maintenance Guidelines
13 May 2015

Guidelines ensure performance of wooden windows

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Homebuilding and Renovating show 2105
16 Mar 2015

Arden Windows at National Homebuilding and Renovat

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Ecobuild Success for Arden
16 Mar 2015

Ecobuild 2015 - showcasing our products

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Arden Newsletter Spring 2015
16 Mar 2015

Arden’s latest newsletter available for download

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Wood Window Alliance Guidelines
24 Feb 2015

Guidelines help ensure quality of wooden windows

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On the THRESHOLD of performance – Part M compliance
11 Feb 2015

Durable, sustainable, cost effective thresholds

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Ecobuild 2015
10 Dec 2014

Arden Windows at Ecobuild 2015 Stand S2060 - -

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Innovative window design chosen for exclusive development
15 Aug 2014

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Arden Casement Windows Brochure available to download
11 Aug 2014

Casement windows range brochure for download

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Arden Stratford Doors brochure available to download
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Stratford doors range brochure to download

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Arden Kinward range brochure available to download
11 Aug 2014

Sliding Sash range brochure available to download

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Arden flies the flag
10 Aug 2014

Arden featured in respected trade Journal TTJ

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Arden Newsletter Winter 2014
07 Aug 2014

Latest issue of the Arden Newsletter

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Ecobuild 2012
01 Mar 2012

We are at Ecobuild 2012 Stand S1050 20 - 22 March

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NHBR 2012 Birmingham
01 Mar 2012

We are exhibiting at the National Homebuilding and

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ISO 14001
16 Jun 2010

We have gained ISO 14001 Accreditation!

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Burning Issue
31 Jul 2009

Arden Windows has reduced the environmental impact

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Grand Designs Live
25 Apr 2009

Arden Windows Ltd exhibited at Grand Designs Live

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Homebuilding Show
19 Mar 2009

Arden Windows exhibits at the National Homebuildin

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Ecobuild 2009
03 Mar 2009

Ecobuild 2009

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Lean Manufacturing
08 Feb 2008

Arden Windows invests in new Weinig machinery

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22 Jan 2008

Start NOW

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What a view!
11 Dec 2007

What a view!

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Boron Preservation
19 Sep 2007

Boron Preservation

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