OverviewWebglas GC is proving its worth in buildings where steel and other roofing or wall cladding materials deteriorate or corrode at an unacceptable rate. The sheet thickness is 2.2mm or 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 of particularly importance in chemically aggressive and corrosive environments where safety mesh can eroded and traditional steel cladding can quickly deteriorate. Where corrosion resistance is vital, complete buildings can be clad and roofed with "Webglas GC" which can be either 100% opaque, or translucent to transmit natural light. For extreme environments, where high levels of acids or alkalines may occur, "Webglas GC+" which incorporates vinyl ester resins, will provide additional protection. What really sets Webglas GC apart is its combination of strength, high resistance to a wide range of chemicals and very low surface erosion. The warranty covers surface erosion for 20 years. special resin technology used in the highly UV resistant surface coating and sheet is the same as that used for Ampelite's premium grade "Webglas GC", now very widely used in major projects around New Zealand and Australia. "Webglas GC" therefore provides a maintenance free roofing and cladding guaranteed for a specific lifetime. Webglas GC now uses Ampelite’s Proprietary SL Group 3 “Bromine Free” Fire Retardant Resin SystemWebglas GC manufactured in New Zealand after the 15 October 2020 will now use Ampelite’s proprietary Group 3 Bromine Free’ fire retardant resin system that is currently used to manufacture our SL sheeting products. Surface Finish Properties have been tested to ISO 5660 and achieved a group number 3 performance in accordance with NZBC Verification Method C/VM2 Appendix The physical properties highlight the benefits of "Webglas GC"
Applications
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Webglas GC features a 20 year warrantyFor full warranty details, please download a copy of the Webglas GC brochure or contact your nearest Ampelite office. Available ColoursWebglas GC in available in clear, opal and grey or as a solid colour in 3 standard colours titania, gull grey and desert sand. Wonderclad and Webglas can be colour matched to any colour. For information on other colours, please contact your local Ampelite office. QualityAmpelite (NZ) limited is the only fiberglass roof sheeting manufacturer in NZ to be ISO accredited as well holding the internationally recognized 5 Tick standards certification mark. |
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Light and Heat Transmission
Available Profiles & Spanning CapacityAll current profiles such as Corrugated, 5 rib, LT7, BB900, etc. plus most superseded profiles are available.
Concentrated loads as per AS1170.2. For information regarding recommended spans in high wind and cyclonic regions please contact your local Ampelite office. Expansion Data
Physical Properties
Technical SupportProjects 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. |
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AccessoriesAmpelite have a large range of accessories available to help make the installation of Webglas GC quick and professional. These accessories include a range of self-drilling that oversize the fastener holes as they pass through the sheet and self-adhesive tapes and profiled form filler strips for vermin protection. |
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Correct installation is important |
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Ampelite sheeting shall be installed in accordance with Ampelite fixing instructions and with AS/NZS 1562.3:1996, Design and installation of sheet roof and wall cladding, Part 3: Plastic. The requirements of the NZ building code and the NZ Metal Roofing Manufactures Association Code of Practice. In corrosive environments we recommend that
Flashing and CappingWe recommend that all be Stainless Steel. Please note these additional important requirements
Clip Fixed DeckingAmpelite sheeting matching clip-fixed deck profiles shall be installed in conjunction with the main cladding and should be side lapped with overlaps on both sides (Ampelite sheets have 2 female laps). Fixing of sheets should be carried out in the same manner and practice as those stated for positive fixed profile roofing. Wall CladdingPan fixing is required at each girt, and use of the correct Ampelite washer and seal ensures a weather tight seal. Over tightening must be avoided. Fixing shall occur in every pan at both ends of the sheeting, and every other pan at intermediate grits. Installation in cyclone prone areas follows the recommendations and code for normal fixing, but further specific requirements must be met. Please contact your local Ampelite office for the latest information. StorageThe sheeting should always be stored in a dry and fire safe area. Do not store heavy materials on top of sheets as they may fracture. Recycling and disposalFibreglass sheeting is not recyclable and should be disposed of in a land fill. Do not incinerate fibreglass off-cuts as burning produces acrid smoke and noxious, toxic fumes. TrafficableWebglas sheeting is a trafficable material. Sheets should be handled with care to avoid damage. Guarantees will not apply to sheeting that has been damaged in handling, or mechanical damage. Safety DataThere are no ill effects from handling 'Ampelite' Fibreglass sheets as a finished product. Effects of Exposure to Dust Particles
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