Grefet

LINIA300

Built for Versatility, Designed to Scale

LINIA300 is a high-performance system aluminium sliding window that strikes the ideal balance between flexibility and clean architecture. It is made with 45° frame joints and 90° sash meets, ensuring structural accuracy using long-lasting 6063-T6 alloy. It has single and multi-point locking with reinforced interlocking. LINIA300 accommodates multiple track options and configurations and is ideal for aluminium windows for homes and commercial projects. An intelligent decision for architects and fabricators who demand scalable, high-performance yet cost-effective aluminium sliding window systems with this right mix of aesthetics.

  • Grefet LINIA 300 Series

  • Designed for high-rise residential and volume-based projects

  • Multiple configurations available including 2 Track, 2.5 Track, 3 Track, and 3.5 Track options

  • Engineered for smooth fabrication and efficient installation

  • Supports integrated mesh solutions within the same frame system

  • Optimized for large-scale project execution and consistent performance

  • Reinforced interlock design for enhanced strength and stability

  • Developed to deliver good wind resistance for high-rise applications

  • Sleek aluminium sightlines with modern minimal aesthetics

GLAZING

Minimum

6 mm

Maximum

21 mm glass

Possible Typology

2, 3, 4, 6 leaf (+ mesh)

Frame Width

2 track

50 | 70mm

3 track

87 | 108mm

Frame depth

42 mm

SASH

21 – 54 mm

Profile thickness

1.4 to 3 mm

Maximum weight per leaf

120 Kg

Central interlocking

25 mm

Multi-locking system with key option

Yes

Permittable dimensions per leaf (W X H)

1200 X 2440

Transmittance

Uw from 3.0 (W/m2k)*

*Please consult typology, dimensions & glass

Maximum acoustic insulation

Rw = 30 dB

Wind resistance

As per BS 1026 (Class4)

Air permeability

Test BS EN 1026:2016 (PA 600, Class 4)

Water tightness

Test BS EN 1027:2016 (PA 300, Classification 4A)

Product Brochure

Master Catalogue

Technical Sheet DWG

Sections

BIM

Key Advantages

Opening Possibilities

*Consult maximum weight and dimensions according to typologies

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