Envirograf Intumescent Wraps

Product Performance

Sizes stated are Pipe Size Internal diameter x Internal Wrap Diameter x External Wrap Diameter x Depth

Can be cut to size and wrapped around any type of pipe or cable, providing an effective fire stopping barrier. Can also fit in brick or block walls. The intumescent expands, thus sealing off heat and fire. Available in a wide range of sizes, or in a 10m continuous roll which can be cut to any size. Alternative acoustic wraps available.

APPLICATION INSTRUCTIONS

Standard Wrap:

Wrap around the pipe or cable at the point where it passes through the wall, floor or ceiling
The attached adhesive strip is then used to fix both ends of the wrap together
Push the wrap into the hole around the service, leaving 10mm protruding from the wall face which can be pointed around as required

Continuous Wrap:

Wrap comes in a 10m roll and must be cut to size and applied in layers.
The 30mm wrap is for pipes from 15mm-200mm in diameter and should be applied as follows:
i. For pipes 15mm-65mm in diameter, adhere one layer to the pipe
ii. For pipes 75mm-127mm in diameter, adhere two layers to the pipe
iii. For pipes 160mm-200mm in diameter, adhere three layers to the pipe
The 50mm wrap is for pipes from 40mm-400mm in diameter and should be applied as follows:
i. For pipes 40mm-115mm in diameter, adhere one layer to the pipe
ii. For pipes 127mm-215mm in diameter, adhere two layers to the pipe
iii. For pipes 250mm-400mm in diameter, adhere three layers to the pipe
The wrap has an adhesive strip on one side, which is easily adhered to the pipe once cut to size

Envirograf Tested to BS476 Parts 20/21/22 (1987) on sealing penetrations of various pipes passing through different types of floors and walls, achieving integrity results of up to 249 minutes.

Tested at VNE to European Standard EN1363-1 (2000).