Profile guaranteeAll Stellar’s aluminium profiles have an optical and mechanical performance guarantee for a period of 10 years. This guarantee does not cover window fittings, glass or components not manufactured by Epwin Window Systems and does not affect the statutory rights of the consumer. Paint Finish guaranteeA 25-year guarantee covers the coated aluminium against the following:Peeling, powdering and blisteringCorrosion except due to bending or folding after the application of the paintChalking, fading and loss of sheen out of the Qualicoat* regulationFiliform corrosion.*Qualicoat is an organisation committed to maintaining and promoting the quality of coating on aluminium and its alloys used in architectural applications. It gives purchasers the assurance of a premium grade product.Lifetime Security Guarantee Yale is one of the most trusted names in security. Their hardware is a perfect fit with the Stellar system and comes complete with Yale’s very reassuring Lifetime Security Guarantee.Download the Yale Leaflet here Up to £1000 towards home insurance excess in the unlikely event of a break-in.Up to £1000 towards repairs or replacements of any failed Yale components.£1000 compensation if a break-in is caused by the failure of a Yale component.Up to £250 refund on call-out fees if a home needs to be secured after a break-in resulting from a failed Yale component. Tested and ProvenOur product development, manufacturing and fabrication are designed to ensure you get windows and doors of the very highest quality. We design, model, prototype, test and refine constantly until we’re completely satisfied.Every component is subjected to rigorous testing. Moving parts are operated through tens of thousands of cycles, windows and doors are put into test rigs and battered by ‘wind’ and water to ensure they can withstand nature’s forces. In-house laboratories control and monitor our production. Independent agencies have verified our results.