Product Information

Intumescent Paint for Wood (HW System)

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A range of clear and white intumescent fire-resistant paint for wood. Giving protection to various wood and wood-derived materials. It is ideal for painting or upgrading existing wood or timber surfaces to either 30 or 60 minutes of fire protection. This paint is especially suitable for use on insulation board, MDF board, plasterboard, wood, and some wood-derived products. There is no need to strip off the existing paint or varnish as Envirograf adhesion primer is also available. See our references tab for full details of products in this range. Paint application using a brush, roller, or spray. Additionally, this range provides UV protection for external timber surfaces.

All types of new and old doors, some over 200 years old have undergone testing. All tested in accordance with BS476 part 22 (1987) and their fire resistance was upgraded to an integrity of over 60 minutes. The HW range can also upgrade wood panelling to 30 minutes or 60 minutes fire rating, according to the type of wood and its thickness. Open joists and floorboards have achieved 60 minutes of fire protection on a loaded floor to BS476 Part 20 (1987). Timber mouldings and carcasses have achieved 90 minutes of fire rating to BS476 Part 20 (1987). A range of timber types, including MDF and plywood underwent testing and complied with BS476 parts 6 and 7 (1987) Classes 0 and 1.

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About us

ENVIROGRAF® is a leadng force in Passive Fire Products.

Since 1983, ENVIROGRAF® has become a leading brand in passive fire products. It has a well-deserved reputation as an innovator and developer of passive fire products, and its commitment to product development is unparalleled.

Our Products Include:

Fire Barriers
Electrical & Plumbing
Fireproof Coatings
Fire Doors
Ventilation
Glazing
Adhesives, Fillers & Sealants
Acoustic, Draught & Weather Seals

The Hallmark of Excellence

The ENVIROGRAF® passive fire products carry the hallmark of excellence, reflecting the high standards that prevail in its laboratory, test rig, and manufacturing facility. Throughout the manufacturing process, ENVIROGRAF® passive fire products undergo rigorous quality control to ensure they remain at the forefront of fire containment technology. A high reputation has been earned by the company and its passive fire products, with its operating system accredited to ISO9001.

Considering Every Risk

To prevent loss of life and property from passive fire protection, every risk must be taken into account. Despite being aware of the importance of fire barriers in preventing or delaying the spread of fire, many people do not consider the effects of breaching the fire barrier, possibly to allow electrical wires or other services to pass through. In order to maintain the integrity of fire barriers, whether they are ceilings, floors, roofs, or walls, ENVIROGRAF® intumescent products have been developed.

Choosing Appropriate Passive Fire Products

IN addition to passive fire products, ENVIROGRAF® offers passive fire protection products, such as load-bearing steelwork and fire doors, that protect structures from fire damage and preserve structural integrity. It is crucial to choose the right passive fire products. A seal's fire protection must match that of the barrier it seals. A ceiling rated for 60 minutes of fire protection requires a passive seal rated for 60 minutes to maintain its integrity. Building structural items must be protected by knowing their protection ratings and ensuring they retain their load-bearing capacity in a fire.