Burnblock is now emission free!

Our product has just passed EN16516 VOC emission test, and fulfill emission requirements for German AgBB, French VOC, Italian CAM and Belgian VOC. We are very pleased to now also being able to extent our documentation for BURNBLOCK® treated wood for interior use. In short, the VOC emission from Burnblock was not detectable after 28[…]

Wood + Burnblock® + Paint = min. B-s2,d0 Certified

A big percentage of wood for exterior use is painted. That layer on top of fire retardant treated wood challenges its fireproof properties. Tests performed by an independent institute has proven, that Softwood and Thermowood impregnated with Burnblock® and industrially painted, as minimum lives up to fire class B-s2,d0. This also means that it is[…]

Hygroscopic test according to EN 16755

Burnblock is continuously working on documenting the performance characteristics of Burnblock and products impregnated with Burnblock.  “fit for outside use without use of a coating“ We can now provide you with reports stating that Cedar and Thermo Pine impregnated with Burnblock have passed the hygroscopic test according to EN 16755:2017 for DRF classes INT2 and EXT .The passed[…]

New Partnership with WJ Timber Group, UK

We are pleased to announce the partnership with WJ Timber Group, UK – a partner who is sharing our values and vision for the future of fire-retardant timber.WJ has invested in the latest treatment technology, installing a new high-pressure facility that will be able to provide the impregnation of fire retardant in sawn timber, as[…]


WE ARE VERY PLEASED TO PRESENT OUR NEW COOPERATION PARTNER IN SWITZERLAND! Holzimprägnierwerk AG, Waldkirch was founded in January 1947 under the name Imprägnieranstalt Gossau. Holzimprägnierwerk AG, Waldkirch is specialized in wood impregnation for over 70 years. Furthermore, the company is a manufacturer of poles, playground and garden equipment. Paul Scheiwiller – CEO: “We are[…]


In collaboration with Valabre (École d’Application deSécurité Civilede Valabre) Burnblock has performed test method TEXAID II. The right part of the wood shavings (with red dye) is sprayed with Burnblock. It´s just a great result and it is 100% natural, harmless, extremely effective and lowers water consumption. TEXAID II (Tunnel d’Expertises et d’Analyses Informatiques de[…]

JAF Frischeis – Plywood Day

Many thanks to Teemu Korhonen and his team for a great day in Poland! We are happy for the big interest and all questions have received. We are looking forward to meet you again! Many thanks as well to the team of Oldenwood for the perfect production of the plywood and the fire test.  […]