65 Series 1.8 mm Thermal Break Casement Window

Name: 65 Series 1.8 mm Thermal Break Casement Window
Brand: Forge Windows

65 Series 1.8 mm Thermal Break Casement Window is a Forge Windows thermal break casement window. The current product record lists Profile thickness: 1.8mm; Hardware: KinLong; Frame width: 65mm wall side, 55mm visible face.

Confirm final dimensions, configuration, glass or panel options, hardware, finish samples, performance documents, and installation requirements for the quoted product before ordering.

Profile thickness:: 1.8mm

Hardware:: KinLong

Frame width:: 65mm wall side, 55mm visible face

Available styles:: Top-hung windows / Casement windows/Fixed windows

Glass configuration:: 5mm+12A+5mm double-glazed tempered glass

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Our 65 series thermal break casement window (1.8mm) adopts a 65mm deep aluminum alloy frame paired with a 1.8mm thick main profile, an upgraded version for higher structural strength and overall stability. Equipped with standard PA66 nylon thermal break strips and multi-channel sealing system, this window delivers outstanding thermal insulation, sound insulation, water & air tightness, ideal for residential buildings, villas, apartments and commercial exterior wall projects.

Data Comparison: 1.8mm VS 1.4mm Profile Version

Item	65 Series (1.8mm Profile)	65 Series (1.4mm Profile)	Advantage of 1.8mm Version
Main profile wall thickness	1.8 mm	1.4 mm	28.57% thicker profile
Wind resistance grade	Up to Grade 9	Up to Grade 7	Stronger wind load resistance, fits coastal & high-rise buildings
Static bearing capacity	1.286 times higher	Standard level	Less deformation under long-term use
Frame rigidity & anti-distortion	Excellent	Good	Not easy to sag or deform after long opening & closing
Applicable window sash size	Larger customized sash	Conventional small & medium sash	Supports bigger glass pane design

Core Performance Parameters

Thermal Insulation: U-value ≤ 2.8 W/(㎡·K), effectively block heat transfer, reduce air conditioning and heating consumption.
Sound Insulation: Overall sound insulation ≥ 32dB, greatly isolate outdoor traffic and ambient noise.
Water & Air Tightness: Reach national top grade, fully prevent rain leakage and air penetration in extreme weather.
Durability: Anti-rust & anti-oxidation aluminum material; matched with high-quality hardware, opening & closing cycles exceed 50,000 times.

This 1.8mm thick profile series is a cost-effective upgrade for projects pursuing higher safety, stability and longer service life, especially recommended for high-rise buildings, windy areas and large-size window openings.