Lonza Wood Protection offers prove fire-retardant treatments for morphologic timbers and board products and a dedicate web site is now available. lone accredit, approved and correctly applied fire-retardant treatments admit clients to efficaciously meet build operate requirements and hush produce stunning build up designs using nature ’ s most versatile substantial. Lonza ’ s DRICON and NON-COM Exterior treatments provide these assurances and are available from our service treatment center in West Yorkshire, UK. Our facility operates to both ISO9001 and ISO14001 standards and is accredited by the UK Wood Protection Association ’ s Quality scheme.

DRICON is the alone fire-retardant treated timber with BBA approval and NON-COM Exterior is the lone fire-retardant discussion accepted by NHBC for outside cladding timbers .


Dricon is the alone BBA approved fuel retardant treatment for lumber .

The new visitor center at Culloden battlefield utilised both Dricon and Non-Com Exterior treatments for both inside and exterior timbers .

Dricon treated sequoia produced a outstanding inside for St. Annes Church in Belfast .

The award winning lookout at Kielder Water, Northumberland used both Dricon and Non-Com Exterior protection to make the most of forest in this natural specify .

Treatments are carried out at Arch ’ second mod facilities at Castleford to both ISO 9001 & ISO 14001 international standards .

Proven fire-retardant treated timbers

Treatments will meet either Euroclass B or Euroclass C surface dispersed of flame requirements of EN 13501-1. We have ball-shaped experience in the fire protective covering of lumber and have extensive fire authentication for a wide range of forest species in junction with Exova warringtonfire, the leading fuel test soundbox in Europe .

DRICON – fire-retardant treated timber for interior situations

DRICON is the only British Board of Agrément ( BBA ) approved fire-retardant discussion for timber and has recently celebrated 25 years of continuous BBA blessing. A water-based, humidity-resistant ( HR ) type formulation, DRICON is designed to protect timbers and sail materials to be used in inside situations. Treatment involves imperativeness impregnation of the DRICON formulation into the lumber, followed by careful kiln drying to return the lumber to a stipulate moisture content. A wide range of hearty timbers and plywoods are desirable for DRICON treatment. DRICON discussion has the adopt accreditations :

  • UK Wood Protection Association approved product
  • Approved London Underground product
  • Approved Fire Protection Association product
  • Independently assessed and approved by the American Wood Preservers Association
  • Independently assessed and accredited with the Swedish Sitac Quality Mark
  • Approved by the National Access & Scaffolding Confederation for the protection of scaffold boards
  • Approved by Chiltern International against the TF2000 six-storey timber frame staircase test

NON-COM Exterior – fire-retardant treated timber for exterior and severe damp situations

NON-COM Exterior is a polymer-based, leach-resistant ( LR ) type conceptualization designed to protect timbers and sheet materials to be used in exterior and severe damp situations. In these exterior situations, NON-COM Exterior treated timbers can be used without a cosmetic coat in outside situations. however, if a cosmetic coating is required, Lonza recommend the practice of industrially applied DRYWOOD Woodstain for exclusive practice on NON-COM Exterior treated timbers. Treatment involves imperativeness impregnation of the NON-COM Exterior conceptualization followed by a careful kiln dry and heat curing march to return the timbre to a specified moisture content. A wide range of solid timbers and plywoods are desirable for NON-COM Exterior treatment, equally well as specific commodities, such as cedar shingles and shakes and Yorkshire board.

NON-COM Exterior treatment has the following accreditations :

  • UK Wood Protection Association approved product
  • National House Building Council (NHBC) accepted product for exterior timber cladding
  • Approved Fire Protection Association product

Continuing professional development (CPD) of fire-retardant treatments

Lonza offers a CPD-accredited presentation for fire-retardant treatments for timbre through the CPD service.

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