MB-79N SI+ Entrance Doors — Mid-Tier Aluminium
ALUMINIUM — SI MID-TIER
MB-79N SI+ Entrance Doors — Mid-Tier Aluminium
MB-79N SI+ Entrance Doors use the 79 mm Aluprof profile with super-insulated thermal break. The thermal-performance sweet spot of the Aluprof entrance door range.
Specifications
Engineering Details
Thermal break design
Internal polyamide thermal break separates outer and inner aluminium chambers — eliminates cold-bridge effect of single-piece aluminium frames.
Maintenance-free aluminium
Powder-coated or anodized aluminium does not rot, warp, or require periodic refinishing. 25-year frame warranty.
Custom RAL colors
Any RAL color available in matte, satin, or gloss. Contrasting interior/exterior colors possible.
Multi-point security
RC1 standard, RC2/RC3 upgrades. Multi-point locking, anti-lift hinges, drill-resistant cylinders.
Larger panel sizes
Aluminium’s structural rigidity supports door panels up to 3+ meters tall and 1.5+ meters wide without intermediate mullions.
Architectural-grade hardware
Concealed hinges available, premium handles from manufacturers like FSB, Olivari, Reguitti. Choose finish to match windows.
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Why undefined?
MB-79N SI+ is the most-specified aluminium entrance door in the Aluprof range — strong thermal performance for residential energy codes, slim sightlines, and prices below the 86N SI premium. Specify on contemporary residential builds and light-commercial entries.
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