Technical Specifications
Frame Depth
3.03" (77 mm)
U-Factor (triple-glazed)
0.17 (Uw 0.96)
Uf (frame)
1.70 W/m2K
Max Glazing
2.20" (56 mm)
Max Sash Weight
882 lbs (400 kg)
Max Sash Size
3,236 x 2,700 mm
Threshold
Flush (barrier-free) or raised
Configurations
2-rail, 3-rail, corner solutions
Overview
What makes the MB-77HS
stand out.
Aluprof MB-77HS is a lift & slide system designed for expansive glazed openings with effortless operation. The 77 mm frame delivers an excellent balance of slim profiles and thermal insulation. Panels up to 400 kg are handled with smooth one-finger operation, and a flush threshold option enables barrier-free living. Available in 2-rail and 3-rail configurations, corner solutions, and a bottom-guided MB-77HSB variant for specific architectural applications.
Learn more about thermally broken aluminum technology or compare European aluminum system providers.
Key Highlights
- 77 mm frame for slim profiles with solid thermal performance
- Handles panels up to 400 kg with smooth one-finger lift & slide
- Flush threshold for ADA-compliant, barrier-free transitions
- Corner solutions and multi-rail configurations available
- MB-77HSB: bottom-guided variant for specific architectural applications
Ideal For
Luxury patio and terrace openings, living rooms with indoor-outdoor flow, waterfront and scenic properties, and energy-efficient homes requiring large sliding doors.
Consider an Alternative When
For ultra-minimal aesthetics, the Aluprof Skyline offers thinner frames. For the premium Reynaers equivalent, the MasterPatio matches thermal performance with Belgian engineering. The Aliplast Ultraglide is the value option.
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