Thermal Break Aluminum Window Profiles: 55 vs 70 Series
Compare MTFlying 55 and 70 series thermal break aluminum window profiles, with 1.8 mm walls, glazing details and a practical checklist for buyers.
70 Series Window Profiles
70 series window profiles take their name from the 70 mm frame depth, a common choice for residential casement windows that need more stiffness and glass space than slimmer systems. Our comparison article below explains how the 55 and 70 series differ in depth, glazing and typical use.Send your opening sizes and glass specification and our team will confirm whether 70 series window profiles suit your project, or browse all window and door profiles.
