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Timber Treatment Centre

Lisbellaw timber treatment centre

In recent years we have introduced a state of the art computer-controlled timber treatment plant which is located at the Company’s headquarters in Lisbellaw, Co Fermanagh. This modern plant incorporates the latest technology including hydraulic tilting to aid final drying, and target treatment to ensure that timber is treated correctly.

At RTD Crawford we use Koppers MicroPro, incorporating the revolutionary micronized wood preservative technology with low VOCs and micronized copper. Koppers MicroPro is setting new environmental benchmarks for wood preservation and has been awarded the GREENGUARD Children & Schools Certification for products with low volatile organic chemical (VOC) emissions that are suitable for use in schools, offices and other sensitive environments.

RTD Crawford also provide low pressure Protim Prevac treatment for construction and out of ground contact timbers. The Protim preservatives offers protection for construction timbers from fungal and insect attack and is ideal for all building projects where dimensional stability of timbers is required. The process is designed to have lower preservatives uptake, whilst giving the required protection for timbers in Use Class 1 & 2 with a 60-year desired service life. Protim wood protection is suitable for roofing timbers and framing timbers.

MicroPro® – koppers preserved timber

Revolutionary new technology

Koppers MicroPro based on revolutionary micronized wood preservative technology has distinctive product features, when compared to other current copper based systems.

  • Low VOCs, setting new environmental benchmarks
  • Lighter, Consistent, Lighter “Natural” colour to the treated wood
  • Improved painting and staining characteristics.
  • Improved corrosion protection for exterior fasteners and hardware.

MicroPro sets environmental benchmarks for wood preservatives

The MicroPro wood preservative technology is being used to create a new generation of wood preservatives across the world. European versions of Micronized copper preservatives are manufactured, using the proprietary Koppers MicroPro technology, under the control systems of ISO 14001, the recognised standard in Europe for environmental management.

GREENGUARD certified

The MicroPro technology has been awarded the GREENGUARD Children & Schools Certification. The GREENGUARD Children & Schools Certification SM programme approves products with low volatile organic chemical (VOC) emissions that are suitable for use in schools, offices and other sensitive environments. More information available at

Modern lighter appearance

Micronized Timber is lighter in colour compared to current copper based treated products. The unique appearance differentiates the product in the marketplace, permitting contractors to build with treated timber that appears more natural in appearance.

Protim® – koppers preserved timber

Protim® protects

The Protim® pressure treatment system is a tried and trusted method of preserving timber against fungal decay and insect attack for internal and external timbers in above ground applications.

Professional building contractors and specifiers look to the Protim® brand to ensure a premium quality wood preservative that gives durability to pre-treated timber and peace of mind.

Unprotected wood can also be a source of food for fungi and certain species of insects such as Hylotrupes bajulus, otherwise known as the house longhorn beetle. Therefore, it is essential that wood is pre-treated with Protim® preservatives to ensure protection against wood boring insects and fungal decay throughout the service life of the project. 

The Protim® range

Protim® is an organic based preservation system for wood, pressure treated for use in construction projects that require protection to Use Class UC1, UC2, UC3 such as roof timbers, timber framing, internal and external joinery and other internal and external timber projects that are above ground level. When using Protim® in external applications it will need to be coated with a suitable external coating which will be maintained in service.

Timber treatment process

For more information on our Timber Treatment Centre call +44 (0)28 6638 7315