CONSTANT QUALITY CONTROL GUTTER REQUIREMENTS Appearance Cross section dimension Channel length Hot shrinkage at 100°C Impact resistance Vicat temperature Tensile impact Tensile resistance and ultimate elongation Colour resistance daily daily daily daily daily every 3 months yearly yearly yearly GUTTERS LAB TEST FREQUENCY Appearance Heating effect Vicat temperature Shape and dimensions Colour resistance daily daily every 6 months daily yearly ACCESSORY REQUIREMENTS LAB TEST FREQUENCY ACCESSORIES Artificial ageing Water sealing every 3 years on gutter and accessory yearly LAB TEST FREQUENCY GUTTER SYSTEM QUALITY REQUIREMENTS GUTTER CHANNEL SYSTEM 8
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