P&P Plastics pty Ltd^

Envirotuff 201FR

Envirotuff 201 FR is a light super strong roof underlay specially formulated for roof insulation, waterproofing and dust proofing of buildings. It is a single-sided reflective foil, with super strong woven polyethylene reinforcing.

  • Finished mass: +- 6.8kg
  • Roll dimension: 1250mm x 36m
  • R-Value: 1.49

Storage

Envirotuff 201FR is a light super strong roof underlay specially formulated for roof insulation, waterproofing and dust proofing of buildings. It is a single-sided reflective foil, with super strong woven polyethylene reinforcing.

Installation

FR Envirotuff 201 should be layed across the rafter or purlins with a 150mm overlap and fixed down with the battens. Under no circumstances should the roof cladding be fixed in direct contact with Envirotuff. To ensure optimum performance, Envirotuff should be installed with a minimum adjacent airspace of 25mm. For best results, it is recommended that Envirotuff is pulled hand-taut across rafters but not overly so. In high wind areas, the use of wind flap panels is recommended.

NB: Due to its pliable nature, some stretching of Envirotuff may occur during installation. This may cause micro-cracking of foil surface allowing light through the product. This will not affect the serviceability or durability of the product. Envirotuff is not designed to withstand prolonged direct exposure to the elements. Upon application of this product, the outer roof or wall should be installed without delay

Due to its high reflectivity (0.96 - 0.97) and low emissivity (0.04 - 0.031), it is an ideal insulation membrane when used in conjunction with an air space.

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