Aluminum Systems ALUPROF MB-86N Uw .11 (Btu/h·ft²·F) Frame + Sash 86mm Aluprof's flagship window and door system. 77mm frame depth with three insulation tiers and glazing capacity to 70.5mm — built for triple-glazed, high-performance residential projects at altitude. ALUPROF MB-SLIMLINE Uw .14 (Btu/h·ft²·F) Sightline 32.5mm / 1.3" Ultra-narrow 32.5mm sightlines in both fixed and operable frames. Steel profile aesthetic with a hidden sash. ALURON AS 178 - Lift & Slide Uw from .13 (Btu/h·ft²·F) Max Panel Height 10'-10" Aluron's lift-and-slide family in three tiers — from a 50mm standard interlock down to a 25mm. Threshold-free option, panels up to 600kg.
