Offer | Lemahieu Fire Protection

Our certified products

Thanks to the process in our autoclave, many types of timber and panels have been tested and awarded reaction to fire classification B-s1,d0, in accordance with the European standard EN13501.

Solid wood

TypesDensityMin. thicknessReaction to fire classification 1
Spruce355-53615-42 mmB-s1,d0
Pine450-60015-42 mmB-s1,d0
Western Red Cedar316-49415-42 mmB-s1,d0
Larch550-63015-42 mmB-s1,d0
Ayous330-53015-42 mmB-s1,d0
Western Red Cedar350-45012,5 mmB-s2,d0
Ash650-85015-42 mmB-s1,d0
Fraké430-73015-42 mmB-s1,d0

Conforms to classification: EN 13501-1:2007+A1:2009 and EN 13501-2:2007+A1:2009 and EN 13501-1-1:2018

Conforms to classification: EN 13823 (SBI) and EN 14135:2004

ThermoWood®

TypesDensityMin. thicknessReaction to fire classification 1
ThermoWood® Spruce314-43415-42 mmB-s1,d0
ThermoWood® Ash590-68015-42 mmB-s1,d0
ThermoWood® Pine450-50015-42 mmB-s1,d0
ThermoWood® Ayous269-37415-42 mmB-s1,d0
ThermoWood® Ayous305-47015 mmB-s2,d0 / B-s3,d0
ThermoWood® Fraké410-73015-42 mmB-s1,d0
ThermoWood® Poplar350-50015-42 mmB-s2,d0

With a ventilated or non-ventilated air gap between product and substrate or with no air gap.
According to classification: EN 13501-1:2018 and EN 13501-2:2020
According to test: EN 13823

Hardwood

TypesDensityMin. thicknessReaction to fire classification 1
Oak500-75020 mmB-s1,d0
Sapele325-69015 mmB-s1,d0

With a ventilated or non-ventilated air gap between product and substrate or with no air gap.
According to classification: EN 13501-1:2018 and EN 13501-2:2020
According to test: EN 13823

Modified wood

TypesDensityMin. thicknessReaction to fire classification 1
Accoya400-50019 mmB-s1,d0

With a ventilated or non-ventilated air gap between product and substrate or with no air gap.
According to classification: EN 13501-1:2018 and EN 13501-2:2020
According to test: EN 13823 (SBI)

Panels

TypesDensityMin. thicknessReaction  to fire class 1Resistance to fire class 2
Birch Plywood650-75012 mmB-s1,d0K1, K2,10/B-s1,d0
Pine Plywood450-60012 mmB-s1,d0K1, K2,10/B-s1,d0
LVL550-60027 mmB-s1,d0 
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With a ventilated or non-ventilated air gap between product and substrate or with no air gap

Conforms to classification: EN 13501-1:2007+A1:2009 and EN 13501-2:2007+A1:2009 and EN 13501-1-1:2018

Conforms to classification: EN 13823 (SBI) and EN 14135:2004

Reaction to fire class SP Fire 105

TypesDensityMin. thicknessReaction to fire classification 1Resistance to fire classification 2
Spruce350-50021 mmB-s1,d0SP 105

The aforementioned façade cladding has been tested in accordance with the following: SP Fire 105, issue 5, dated 1994-09 and has been evaluated as meeting the requirements for the outside of buildings in class Br1.

Indication test according to EN 13823 (SBI)

TypesDensityMin. thicknessReaction to fire classification 1
Bamboo600-70026 mmB-s1,d0
Poplar Plywood530-58045 mmB-s1,d0

Test indicates classification B-s1,d0 according to EN 13501-1

EN45545-2:2013 Fire behaviour of materials and components of rail vehicles

TypesDensityMin. thicknessResistance to fire classification
Birch plywood700-75012 mmR10; HL1/HL2/HL3 (floor coverings)
Birch plywood700-75012 mmR1; HL1/HL2 (walls)
Birch plywood700-75012 mmR7; HL1/HL2 (outer walls)

CERTIFIED FINISHES

On request, the wood can be coated for facade cladding or pre-aged. Tests conducted by an independent institute have shown that softwood and ThermoWood®, impregnated with Burnblock® and industrially painted or coated, comply with fire class B-s2,d0 as a minimum.

WOOD + BURNBLOCK® + COATING = MIN. B-s2,d0

FINITION - COLOR COATING: Sherwin Williams

TypesDensityMin. thicknessVentilated cavityReaction to fire classification
Solid wood355-53619 mm40 mmB-s1,d0
ThermoWood® 450-50019 mm40 mmB-s2,d0

Sherwin Williams SC1420 + EG1570 for wood treated with Burnblock® , certified B-s1,d0

Color coating with Remmers

Remmers for wood treated with Burnblock®, tested. Certification in progress.

WOOD PROTECTOR with SIOO:X

TypesDensityMin. thicknessReaction to fire classification
Solid wood355-53619 mmB-s1,d0
ThermoWood®450-50019 mmB-s1,d0

Sioo:X Wood Protector + Sioo:X Surface Protector on Burnblock® B,s1-d0 certified wood
Except: ThermoWood® poplar (B-s2,d0)

FINITION - PRE-AGING: Masquelack

TypesDensityMin. thicknessVentilated cavityReaction to fire classification
Solid wood355-53619 mm40 mmB-s1,d0
ThermoWood®450-50019 mm40 mmB-s2,d0

Instead of waiting for the natural patina of wood to occur, it is possible to give it a vintage look that 'grays' its surface. The vintage finish creates transparent or semi-transparent film for decoration.

Masquelack for wood treated with Burnblock® , certified B-s1,d0.

FINISHING - VARNISH for interior applications on timber and timber products

TypesDensityMin. thicknessReaction to fire classification
Pine plywood300-68412 mmB-s1,d0

Burnblock® lacquer is a finish for materials treated with Burnblock. Full certified treatment is only possible by combining LW-121/45/BB lacquer with Burnblock® treated wood.
(Does not contribute to the development of fire)

Cut from the right wood

Our wide-ranging timber and panel knowledge, innovative techniques, and sustainable materials cohere to guarantee ecologically sound applications for indoors and outdoors. Do you want more information about our products or already know exactly what you want to put in our capable hands?