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Envirograf Intumescent Fire & Sound Gaskets
Envirograf Intumescent Fire & Sound Gaskets Price range: £4.46 through £5.00 ex VAT

Envirograf Flexible Fire Bag

SKU: GRP-envirograf-flexible-fire-bag

Price range: £58.61 through £91.45 ex VAT

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Additional information
Envirograf product code

FLEX1, FLEX2, FLEX3, FLEX3/A, FLEX4V, FLEX5V (Product 52)
Tested to

BS 476 Part 22 (1987)
Sizes

FLEX1 and FLEX2 335 x 335 x 130 x 420mm; FLEX3 and FLEX3/A 260 x 260 x 95 x 400mm; FLEX4V 560 x 560 x 130 x 360mm; FLEX5V 530 x 530 x 100 x 300mm
Aperture sizes

315 x 70mm, 330 x 55mm and 290 x 55mm depending on reference
Colour

White, black or brown as standard; custom colours at extra cost
Application

Internal face of letter plate apertures in timber and UPVC doors and in walls
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Description

Envirograf Product 52 is an internal intumescent flexible fire bag fitted behind a mail aperture in a door or wall, aimed at properties vulnerable to arson or vandalism. Material pushed through the letter plate is contained and the intumescent expands under heat to smother and self-extinguish the fire; it does not hold liquids or gases.

  • Horizontal opening references FLEX1, FLEX2, FLEX3 and FLEX3/A, including versions for UPVC doors
  • Vertical opening references FLEX4V and FLEX5V
  • The intumescent material can be renewed after an incident rather than replacing the whole unit

Technical documents

Envirograf publish the technical data sheet and safety data sheet for this product on their own site, where the current revision is always shown. Envirograf technical documents

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