Product Description

ALSYNITE ULTRA is a premium quality Fibre Reinforced Polyester (FRP) sheet with excellent long term weathering properties. The exposed surface features a new improved ultra violet surface protection film. Together with a unique polyester resin formulation, our advanced system is proudly backed by a 25 years performance warranty. Available in a wide range of profiles, weights and colours, ALSYNITE ULTRA is the premium choice for roofing and wall cladding applications.

Key Features

  • Excellent long term weathering characteristics
  • Superior 25 Years warranty *conditions apply
  • Non delaminating surface technology
  • Non-aged and cracked surface technology
  • Outstanding surface erosion resistance
  • Resistant to commonplace chemicals
  • Superior long term clarity properties

Typical Applications

  • Industrial and commercial skylights
  • Building skylight sidings
  • Nursery & retail areas
  • Car porch & pergola covers
  • Light diffusers

Product Specifications

Profiles Due to Alsynite's global presence, we have an extensive range of profiles within our portfolio that matches most metal sheeting profiles.
Sheet Length Standard sheet lengths up to 11.9 meters. Other non-standard lengths are available subject to special order and shipping parameters.
  • 1800 gsm
  • 2400 gsm
  • 3050 gsm
  • 4880 gsm

The standard weight for industrial applications is 2400 gsm. For sheet weights not listed, please contact your nearest Alsynite distributor for further details.

Nominal Thickness 1.2mm, 1.5mm, 2.0mm   ± 15%
Surface Coating World renowned improved UV protection film. 20 micron nominal thickness.

Standard colors of Clear and Opal.

Customized colors are available, subject to minimum order quantities and pigment availability.

The combination of color and weight will affect the amount of light transmitted through the sheet.

Resin System

Advanced general purpose grade orthophthalic polyester.

Reinforcement "E" Class Fibre optic glass, at least 22%
Light Transmission Clear 74%, Opal 58% (Using 2400 gsm 1.5mm sheet)
Thermal Conductivity Clear 72%, Opal 62% (Using 2400 gsm 1.5mm sheet)
Heat Distortion Temperature +180 to 200
Thermal Expansion 2.5 x 10-5 cm/cm/C
UV Resistance Clear 99.9%, Opal 100%

Mechanical Properties

Properties Flexural Strength Tensile Strength Shear Strength
Test Value 177MPa 94MPa 90MPa
Properties Specific Gravity Compressive Strength Barcol Hardness
Test Value 1.41g/cm3 135MPa > 50


Physical Properties

Properties Specific Gravity
Thermal Expansion
Water Absorption
Test Value 1.41 2.2 0.52 to 0.60
Properties Thermal Conductivity
Heat Distortion Temperature (°C) Operating Temperatures (°C)
Test Value 0.158 +180 to 200 -20 to +95


Solar Optical Properties

Properties Solar Transmittance Luminous Transmittance Diffused Light Transmission (%)
Clear 0.68 0.67 74
Opal 0.58 0.53 58
Properties Shading Coefficient U-Value (W/m2K) Solar Heat Gain (W/m2)
Clear 0.82 5.7 560
Opal 0.71 5.7 486
Properties Solar Heat Gain Coefficient Transmittance 380-320nm (UV – A) Transmittance 320-280nm (UV – B)
Clear 0.72 0.04 0.006
Opal 0.62 - -


Results of tests are based on a 2400 gsm sheet.