Treatments Information - tel 01977 714000

Fire Retardant Treatments

Lonza fire retardant treatments allow timber to be used to create stunning designs within public buildings. To find out about the key considerations in specifying fire retardant treated timber, click here.

Click here to view a range of case studies where both DRICON and NON-COM EXTERIOR protective treatments have been used.

DRICON fire retardant treated timber and sheet material is suitable for interior and weather protected exterior situations. High pressure impregnated with a Type HR (humidity resistant) formulation and kiln dried to a specific moisture content, it is the only industrial fire retardant treatment for timber with BBA (British Board of Agrément) approval.

Treatments are to Euroclass C in accordance with BS EN 13501-1: 2002 or Class 1 Surface Spread of Flame in accordance with BS 476: Part 7 for timbers used in walls or ceiling linings or alternatively to Euroclass B in accordance with BS EN 13501-1: 2002 or Class 0 BS 476: Parts 6 & 7 for timbers used in escape routes and staircases.

NON-COM EXTERIOR treated timber and sheet material is suitable for exterior or severe damp situations. The timber is high pressure impregnated with a Type LR (leach resistant) formulation and then kiln dried and heat cured to a specific moisture content.

Treatments are to Euroclass C in accordance with BS EN 13501-1: 2002 or Class 1 Surface Spread of Flame in accordance with BS 476: Part 7 or alternatively to Euroclass B in accordance with BS EN 13501-1: 2002 or Class 0 BS 476: Parts 6 & 7 for exterior cladding and external structures.
For cedar shingles/shakes and Yorkshire boarding material treatment is to BS 476: Part 3 AA/P60 Roof Penetration Test.

PLEASE NOTE: When required we can also supply timber and
plywood ready for fire retardant treatment.

Lonza Wood Protection is a BS EN ISO 9001 registered company and our continual assessment against this quality standard includes the Castleford Service Treatment Centre. This treatment facility is also now accredited to BS EN ISO 14001 in terms of environmental aspects of our business.

CLICK TO DOWNLOAD PDF FILES FOR FURTHER INFORMATION ON DRICON AND NON-COM EXTERIOR FIRE RETARDANT TREATED TIMBER
Non-Com Exterior Specification Clause

Decorative Finishes
RESTOL translucent wood oils can provide a high performance decorative finish for fire retardant treated timbers, when required. RESTOL allows timber's natural grain to show through, whilst offering maximum weather protection. A low build, coat-on-coat product, it provides a complete finish from a single can, eliminating the need for a separate primer or undercoat. Based on a natural material, Linseed Oil, RESTOL is suitable for use on decking, cladding, high quality fencing and garden furniture and has been used successfully in Europe for over 30 years.

CLICK TO DOWNLOAD PDF FILE FOR FURTHER INFORMATION ON RESTOL HIGH PERFORMANCE FINISHES FOR WOOD
Restol Specifier's Guide

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