Solution > Fire retardant treatment

Durability through time

No coating is required to counteract leaching

The timber/panels treated with fire retardant, Burnblock®, don't require a coating in order to counteract leaching. The durability of the treatment over time is guaranteed without coating for external applications.

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Durability according to 
BS EN16755:2017 standard

For this purpose, tests are being carried out in accordance with EN927-6, one of the three test options within the new BS EN16755:2017 standard. The test comprises an accelerated weathering process with UV and the equivalent of over 120 years of rain in Belgium.

The tests are carried out on ThermoWood® pine and Western Red Cedar and both retained reaction to fire class B, both before and after accelerated ageing, in accordance with test method ISO 5560-1: 2015.

 

Testproces

Reaction to fire class B remains

The following applies to the durability of timber products treated with Burnblock® fire retardant using a vacuum/pressure:

The effect of the fire retardant characteristics decreases at a speed equal to the degradation/ageing of the timber itself.

This means that the effective level of fire retardant per unit of timber remains unchanged, thus allowing Burnblock® to retain the reaction to fire class B

The fire retardant treatment by Lemahieu Fire Protection® is unique thanks to the combination of:

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Guaranteed durability
Tested in accordance with BS EN 16755: 2017 standard.

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Fire retardant
Burnblock® is 100% biodegradable
and Cradle-to-Cradle Gold-certifiedTM

For your information

If another type of fire retardant treatment is chosen where a protective coating is necessary against leaching, then one is obliged to reapply this coating regularly (every 5 to 10 years). It goes without saying that the necessary budget must be provided for this during the life of the building.

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Technical questions?

Get in touch with our fire retardant expert.

Geoffrey Moerman

Geoffrey Moerman

g.moerman@lemahieu.be

+32 (0)471 98 22 79

Technical sales advisor Lemahieu Fire Protection® with Burnblock® Ostend

LDC Bird
LDCWOOD White icon

Protected by nature

+32 (0)59 50 55 14
protectedbynature@ldcwood.com
Vergunningenstraat 7, 8400 Ostend, Belgium

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