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Envirograf HW Clear Intumescent Coating for 30/60 Minutes Fire Protection

Envirograf HW Clear Intumescent Coating for 30/60 Minutes Fire Protection

Brand:
Envirograf
Reference:
E042 HW

Envirograf Clear Intumescent Coating for Interior and Exterior Wood

  • Achieves 30 or 60 minutes fire protection
  • For timber and timber composite panels
  • Upgrades doors to fire door rating (subject to door construction)
  • Expands in heat to create a char barrier
  • Complies with UK and European Building Regulations
  • Supplied in a clear finish

Tested and complies with classifications EN13051 parts EN13823 (2002) single burn test (SBI) and EN11925-2 (2002) Ignitability

Also BS476 Part 20 achieving 60 minutes protection.

Envirograf Product 42

£34.20 (tax excl.)
£34.20 (excl VAT)
£41.04 (incl VAT)
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questions  2 question about the product
Description

About Envirograf HW Intumescent Clear Coating for 30/60 Minutes Fire Protection

Fire protection doesn't have to compromise your building's appearance.

Envirograf Intumescent Waterborne Clear Lacquer dries to a smooth, durable finish. 

HW Intumescent products are designed to offer 30/60 minutes fire penetration protection and Class 1 & 0 Spread of Flame protection.

When exposed to fire, the intumescent paint swells and chars preventing the fire from penetrating the timber structure.

The duration of protection is dependent on the type and thickness of the timber, for an exact specification call the HSP Fire Protection team on 01793 525241.

HW Intumescent Clear Lacquer is easy to apply by brush, roller or spray.

To achieve Class 1 & Class 0 Spread of Flame Protection, apply 1 coat at 8m2 per litre.

For 30/60 minutes Fire Penetration Protection, apply 2 coats at 8m2 per litre leaving 45 minutes drying time between each coat.

Envirograf Intumescent Lacquer can be used on new and previously coated, interior and exterior wood.

When painting previously coated wood, HW Clear Adhesion Primer must be applied first.

To guarantee fire protection, HW products must be over-coated using either an Interior or Exterior Protective Topcoat.

Fire Testing and Performance

Tested on wooden doors, achieving 60 minutes integrity and 30 or 60-minute fire protection and insulation according to BS476 Part22.

Up to 60 minutes fire protection achieved on open joists and floorboards according to BS476 Part 20. 90-minute fire rating achieved on timber mouldings and carcasses according to BS476 Part 20.

Tested on a range of timber types, including plywood and MDF, complying with BS476 Parts 6 & 7, Classes 0 & 1 (Spread of Flame).

Tested to European Standard EN1364-1, achieving 66 minutes integrity.

Complies with Classification B/S1/d0 of European Standard EN13823, single burn test (SBI) and EN11925-2 (ignitability).

Class A Flame Spread Classification to UL723 Standard  with Flame Spread 25 and Smoke development 300.

Canada Approval:

BMQX7.R27872 – Coatings, Fire Retardant Certified for Canada

USA Approval:

BMQX.R27872 – Coatings, Fire Retardant for USA

 

 

Product Features
E042 HW
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questions Mark
Question: 

Hi does this product conform to C-s3 d2 for B3 internal fire spread ?????
Answer: 

HW Intumescent would be above and beyond this rating.

 ES/VFR and Q/VFR flame retardant coatings would be more appropriate.

These would achieve B-S1-D0, which is a higher grade than C-s3 d2.

 All of this is dependent on the substrate that it is being applied to.
questions Stewart
Question: 

I have white plastic cladding on my flat in a 3 story block. It's about 3 foot high by 12 foot long There is a walkway which gives protection from the elements. Is there a paint that would offer 30 minutes protection. There is no recommendation to remove the cladding. Stewart 0781 7766 724
Answer: 

For external and internally applicated pvc, upvc, fibreglass or GRP cladding For walls, boat housings, window frames you will require as follows for 30 minutes fire protection and B-S1-D0 spread protection to a white application.

1 coat of EP/GC primer at 10 to 12m2 per litre

3 coats of EP/GC/White coating at 6m2 per litre, per coat

2 coats of HW Excel White Topcoat at 10m2 per litre, per coat

Available in Matt, Satin or Gloss finish

All coats to be applied on the same day and do not apply a coat until the coat before is dry, takes about 55 minutes to dry each coat.

This application will allow the substrate to be lightly cleaned if necessary at a later date.
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