MasterLine 8

Flagship thermal performance for demanding projects.

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Technical Specifications

Frame Depth

3.03" (77 mm)

U-Factor (best)

0.16 (Uw 0.88, HI+)

Max Glazing

2.83" (72 mm) - Functional

Air Infiltration

Class 4 (EN 12207)

Water Resistance

E900 / E1200 (Hidden Vent)

Wind Load

Class C5 (2,000 Pa)

Max Sash Height

9' 2" (2,800 mm)

Max Sash Weight

441 lbs (200 kg) window / 551 lbs (250 kg) door

Acoustics

Up to 49 dB (Hidden Vent)

Variants

Standard, HI, HI+, Functional, Deco, Renaissance, Hidden Vent

Overview

What makes the MasterLine 8
stand out.

Reynaers MasterLine 8 is one of the most complete aluminum window and door platforms on the market. Four insulation tiers (Standard, HI, HI+, Functional), three design lines (Functional, Deco, Renaissance), plus specialized variants for hidden vents, noise reduction (SoftTone), pivots, fire resistance, and security. The 77 mm frame supports glazing up to 72 mm and sash weights to 200 kg - with entrance doors handling up to 250 kg and pivot doors up to 500 kg at 4 meters tall.

Key Highlights

Four insulation tiers: Standard (Uf 2.0), HI (1.7), HI+ (1.3), Functional (1.3)
Hidden Vent variant: operable looks fixed from outside, 80 mm sightline
Pivot window and pivot door variants up to 500 kg and 4,000 mm
Passive House certified panel door variant (Ud 0.8)
Fireproof (EI 30) and burglarproof (RC2, RC3) variants
Deco and Renaissance design lines for traditional aesthetics

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Ideal For

Custom homes with aggressive energy targets, Passive House and near-zero-energy builds, and architect-specified residential projects where thermal performance and slim aluminum aesthetics both matter.

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Consider an Alternative When

If your budget is tight and you don't need passive-house-level performance, look at the Aluprof MB-79N - similar frame depth, strong thermal values, and significantly lower cost. If you want the absolute best insulation Reynaers offers, step up to the MasterLine 10.

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