They have enhanced appearance, improved security, transformed thermal performance and safeguarded more of the Earth’s precious resources. Stellar is a prime example of our commitment to innovation. Stellar is: The only system with the reverse butt joint solution Quicker to glaze thanks to its patent-pending knock in bead 30% Slimmer than all other aluminium systems Clean lines, adaptable style with both-sides-flush capability 20% faster and simpler to install Highly insulated without the high price tag Efficient use of materials and responsibly produced Practically maintenance free. Stellar’s designers accepted the challenge of developing an extraordinary system. Years of experience were combined with an open mind and high ideals. Every aspect was evaluated, discussed, prototyped and tested. The results speak for themselves.