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WINDOWS

KW90

KW90 is KAROLA’s highest-spec window and door system, engineered for exceptional thermal insulation, airtightness, and minimalist architectural detail. With a 90 mm deep thermally broken frame and XPET-insulated core, KW90 delivers best-in-class energy performance while supporting large, modern sash designs. Built for Passive House, cold-climate builds, and discerning residential or commercial clients.


Built for performance. Designed for life.


55 mm thermal break + XPET insulation core
Achieves Uf from 0.57 W/m²·K — among the best aluminium systems available
 

Glazing range up to 83 mm
Supports quad-glazed, acoustic, security, and high-spec IGUs
 

Minimalist glazing beads (15 mm)
Available in rectangular and curved options for modern, low-profile design
 

Full façade system compatibility
Designed for integration into commercial curtain walls and structural glass assemblies
 

Supports high-capacity sashes
Panels up to 3,000 mm tall and 180 kg with no compromise on weather ratings
 

Hardware flexibility
Compatible with Euro groove and PVC groove fittings, including concealed hinges
 

Dual drainage options
Choose visible or hidden channels for clean exterior detailing
 

Optional profile bending
Radius bending available for custom shapes (specs on request)
 

Extreme weather performance
Air Class 4 · Wind Class C3/B3 · Water Class E1200 (EN 12207/10/08)
 

Expanded finish palette
RAL, anodized, textured, bi-colour, Wood Colour Effect, and Loft View stone-inspired coatings
 

KW90 — Premium by default

Frame depth: 90 mm

Sash depth: 99 mm

Glazing range: 20 – 83 mm

Uf (frame): from 0.57 W/m²·K

Max sash size: Up to 3,000 mm height, 180 kg weight

Performance: Air Class 4 · Wind C3/B3 · Water E1200

Applications: Passive House, high-end residential, commercial curtain wall inserts  


Can be designed with or without a nailing fin, depending on installation requirements.


KW90 isn’t just compliant — it leads.
Designed to outperform every conventional window system on the market, KW90 is your architectural edge when aesthetics and energy efficiency must both be flawless.

KW65

KW65 is KAROLA’s flagship window and door system, engineered for maximum thermal performance in Canada’s harshest climates. With a 65 mm thermally broken frame, deep insulation zones, and a clean, minimalist aesthetic, KW65 is built for architects, builders, and homeowners who refuse to compromise.


Built for performance. Designed for life.


Advanced thermal breaks

high-density polyamide barriers + perimeter insulation inserts


Uf as low as 1.28 W/m²·K

Passive-ready


Glazing capacity up to 51 mm 

Supports triple, quad, acoustic, security, and high-spec IGUs


Modern, versatile profiles 

Rectangular or curved glazing beads; integrates with façade systems


Compatible with premium hardware 

Accepts concealed hinges, PVC gear, multi-point locks


Dual drainage options 

Choose from visible weep holes or hidden drainage channels


Formable for curves and angles 

Select profiles can be radius-bent (technical specs available)


Acoustic insulation 

Reduces noise by up to 43 dB (Rw -2/-4)


Severe weather certified 

Air: Class 4 · Wind: C4 · Water: E1350 (EN 12207/10/08)


Finish options 

Full RAL palette, textured, anodized, bi-colour, woodgrain (Wood Colour Effect), and Loft View stone-effect coatings  


KW65 — Premium by default

Frame depth: 65 mm

Sash depth: 74 mm

Glazing range: 14 – 51 mm

Uf (frame): from 1.28 W/m²·K

Acoustic rating: Up to 43 dB

Applications: High-end residential, commercial, Passive-ready buildings


Can be designed with or without a nailing fin, depending on installation requirements.

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Karola Windows

18 Government Street, Round Hill, AB, Canada

403 992 9688

office@karola.ca

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