MB-86N SI — Premium Thermal-Break Aluminium Window
ALUMINIUM — PREMIUM SI
MB-86N SI — Premium Thermal-Break Aluminium Window
MB-86N SI is the Aluprof flagship — 86 mm thermally-broken aluminium profile with super-insulated thermal break (the SI designation). Uw 0.5 W/m²K matches the best PVC windows on the market, while delivering aluminium’s structural rigidity for large sashes and contemporary architectural sightlines.
Specifications
Engineering Details
Thermal break design
Internal polyamide thermal break separates outer and inner aluminium profiles — eliminates the cold-bridge effect of single-piece aluminium frames.
Maintenance-free aluminium
Powder-coated or anodized aluminium does not rot, warp, or require periodic refinishing. Coatings backed by 25-year warranty.
Custom RAL colors
Any RAL color available in matte, satin, or gloss finishes. Same color inside and outside, or contrasting interior/exterior.
Larger sashes possible
Aluminium’s structural rigidity supports larger panes than PVC — patio doors and floor-to-ceiling glazing without intermediate mullions.
Architectural-grade hardware
Concealed hinges, multi-point locking, anti-lift hardware as standard. RC1/RC2/RC3 security upgrades available.
25-year frame warranty
Frame integrity warranted for 25 years. Surface finish warranty 15 years. our premium European supplier/Aluprof manufacturing standards.
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Why undefined?
MB-86N SI is the right choice when the brief is “contemporary aluminium aesthetic with passive-house thermal performance.” The SI thermal break + triple glazing combination achieves Uw values that aluminium frames historically could not match. Specify it on flagship custom homes, retail facades, or any project where the design demands aluminium’s slim sightlines and large sash capability.
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Tell us your sizes, glazing preferences, color/finish, and quantities — we will come back with a full quote including delivery across Atlantic Canada.
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