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Overview

Webglas GC (GC = gel coated surface) is proving its worth in buildings where steel and other roofing or wall cladding materials deteriorate or corrode at an unacceptable rate.   The sheet weight is 3660 grams per square metre and is reinforced with a heavy gauge woven glass mat which provides continuous strength and protection in every direction.  The overall strength is such that wire safety mesh is not required.   This is a particularly important benefit in chemically aggressive and corrosive environments where safety mesh is eroded and traditional steel cladding quickly deteriorates.

Webglas GC also features the Ampelite’s Gel Coat technology.

For more information on Ampelite’s Gel Coat technology, click here.

"Webglas GC"

Polyester resin base sheet with Isopthalic NPG Gel Coated surface.  Continuous woven mat reinforcement.

"Webglas GC+"

Vinylester resin base sheet with Isopthalic NPG Gel Coated surface.  Continuous woven mat reinforcement.

All resins are UV stabilised and acrylic modified to provide excellent weather resistance.  If cleaned regularly the sheeting retains its original bright appearance over many years.

Both products withstand environments that corrode or destroy metal and many plastics in a short period of time.  Webglas GC+ provides additional protection where there are high concentrations of alkalines or acids.  

Available Profiles

All current profiles (shown on separate publication) such as Corrugated, Trimdek, Speed-dek, etc. plus most superseded profiles are available.

Quality

Ampelite "Webglas GC" is manufactured in strict accordance with AS/NZS 4256 parts 1 & 3: 1994. Standards License No.986.

Fire Retardant Properties

Webglas GC and GC+ fully comply with Building code specification C1.10 in particular AS1530.3: 1989.

Applications

Fertilizer and Agricultural Chemical Plants
Corrosive Chemical processing
Petrochemical environments
Wastewater Treatment
Marine Environments
Mining Industry
Paper and pulp manufacturing
Salt extraction and desalination plants
Power Stations
Skylighting where safety mesh is not desirable

Sheeting Grades

Series Weight (Kg/m2)
3660 3.66

Important: Heavier grades give the specifier the option to use Ampelite sheeting in cyclonic zones, or match the span of the nominated steel roofing material (see 'Spanning Capacity').

Light and Heat Transmission

Grade 3660g
  Light % Heat %
Ice Clear 60 66
Opal (white) 56 60
Coloured Opaque 0  

Other colours can be produced to order for viable quantities, please contact your local Ampelite office

Expansion Data

Materials Expansion Comparison.  0° to 40° Temperature Variation.  Sheet Length 12 metres

  Webglas GC Fibreglass Polycarbonate Steel Aluminium
Thermal Expansion 9.1mm 14.4mm 32.4mm 5.8mm 11.5mm
Thermal Co-efficient 1.9 x 10-5 cm/cm°C 3.0 x 10-5 cm/cm°C 6.75 x 10-5 cm/cm°C 1.2 x 10-5 cm/cm°C 2.4 x 10-5 cm/cm°C

Physical Properties

Tensile Strength  111 Mpa
Impact Strength   10 Joules
Shear Strength  90 Mpa
Modulus of Elasticity 5300 Mpa
Compressive Strength 151 Mpa
Flexural Strength 181 Mpa
Specific Gravity 1.6
Thermal Expansion 1.9 x 10-5 cm/°C
Thermal Conductivity 0.096 watt/m°C
Water Absoption .2% in 24hrs./26°C
Curved Roof Radius 2660g/m2 "Custom Orb" and "Trimdek" 
Minimum Radius 7.5 Metres
Recommended Service Temperature Range -20° to +95°C

Installation

Fixing Details

In corrosive environments we recommend that:

  1. All fixings be Stainless Steel.
  2. All fixings be Cyclonic Assemblies.

Flashing and Capping

We recommend that all be Stainless Steel.

Technical Support

Projects involving corrosive environments often require supportive evidence regarding product suitability or manufacturers recommendations regarding the use of a particular material.  Ampelite can provide extensive technical support to the extent of product development if necessary.  Contact your local Ampelite Office if you require this service.

Warranty

Webglas GC  features a limited 20 year warranty. For full warranty details, please contact your nearest Ampelite office.

Downloads

Project Photos

Brochures

Webglas GC Fibreglass  





 

ISO 9001 2000        
AS/NZS 4256.3        
QEC 4787

 

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