Window units
Find and specify window units from top manufacturers with NBS Source. Browse 393 products that are ready to use on your projects. Classification Pr_30_59_98.
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Profile 22 PVC-u Chamfered Casement Window - PVC-u Window System
Verified today
Epwin Window Systems
Profile 22 Chamfered Casement Windows offer high thermal efficiency, structural strength & security, with double/triple glazing, wide design options & PAS 24 compliance for versatile installations.
PVC-u Vertical Sliding Sash Window - PVC-U Window
Verified today
Epwin Window Systems
A traditional-style PVC-U vertical sliding sash window system offering authentic detailing, modern thermal performance, and secure, low-maintenance operation for heritage and new-build projects.
Spectus Casement Windows (Ovolo/ Sculptured) - PVC-U Sculptured Window
Verified today
Epwin Window Systems
A sculptured PVC-U casement window system with classic ovolo detailing, offering excellent thermal performance, security, and design flexibility for traditional and modern applications.
PVC-u Flush Tilt & Turn Window - PVC-U Tilt And Turn Window
Verified today
Epwin Window Systems
Flush PVC-U tilt & turn window offering modern aesthetics, secure ventilation, and easy cleaning. Ideal for high-rise, residential, and commercial applications with excellent thermal performance.
Profile 22 PVC-u Tilt and Turn Window - Tilt And Turn Window
Verified today
Epwin Window Systems
A versatile PVC-U tilt & turn window offering secure ventilation, safe internal cleaning, and excellent thermal performance—ideal for high-rise, commercial, and residential applications.
Spectus PVC-u Tilt & Turn Window - PVC-U Tilt and Turn Window
Verified today
Epwin Window Systems
A high-performance PVC-U tilt and turn window system offering contemporary styling, dual inward-opening functionality, and outstanding thermal, acoustic, and security performance for modern buildings.
Stellar Aluminium Flush Casement Window - Aluminium Casement Window
Verified today
Epwin Window Systems
A flush aluminium casement window offering minimalist aesthetics, enhanced thermal performance, and up to 12% more glass—ideal for modern residential and commercial applications.
Fully Reversible PVC-u Window - Easy Clean Windows - PVC-u Reversible Window System
Verified today
Epwin Window Systems
A high-performance PVC-U fully reversible window offering safe cleaning, secure ventilation, and excellent thermal efficiency—ideal for high-rise and hard-to-access residential applications.
Profile 22 PVC-u Flush Casement Window - Casement Window
Verified today
Epwin Window Systems
Flush casement window system with slim sightlines, PAS 24 security, and U-values as low as 1.2 W/m²K. Ideal for traditional aesthetics with modern thermal and acoustic performance.
PVC-u Sculptured Casement Window - Profile 22 - PVC-u Casement Window
Verified today
Epwin Window Systems
A versatile PVC-U casement window system with sculptured styling, excellent thermal performance, and secure design—ideal for residential, commercial, and refurbishment applications.
Spectus PVC-u Casement Windows (Bevelled/ Chamfered) - PVC-u Chamfered Window
Verified today
Epwin Window Systems
A high-performance PVC-U casement window with bevelled or chamfered styling, offering excellent thermal efficiency, security, and design flexibility for residential and commercial use.
Stellar Aluminium Flush Tilt & Turn Window - Tilt and Turn Window
Verified today
Epwin Window Systems
A flush aluminium tilt & turn window offering dual-function operation, slim sightlines, top-tier thermal performance, and secure ventilation—ideal for high-rise and modern architectural projects.
Stellar Fully Flush Aluminium Casement Window - Aluminium Casement Window
Verified today
Epwin Window Systems
A fully flush aluminium casement window with slim sightlines, top thermal performance, and modern styling—ideal for residential, commercial, and refurbishment applications.
SPW+ Tilt/Turn Window
Verified 1 day ago
Senior Architectural Systems Ltd
Aluminium open-in window system with a high performance foam filled thermal break, available in a range of different colours on request.
Alitherm Heritage - Casement Window
Verified 1 day ago
Smart Architectural Aluminium
A modern aluminium thermally broken replacement to steel windows.
Alitherm 800 Flush Casement - Thermally Broken Flush Casement Window
Verified 1 day ago
Smart Architectural Aluminium
Thermally broken aluminium, ‘French mullion’ casement window system.
Horizontal Slide 2000 - Sliding Window And Patio Door
Verified 1 day ago
Smart Architectural Aluminium
Thermally broken aluminium, horizontal sliding window.
Visotherm Casement Windows - Thermally Broken Casement Window
Verified 1 day ago
Smart Architectural Aluminium
Aluminium casement windows.
Eco Futural Windows - Thermally Broken Casement Window
Verified 1 day ago
Smart Architectural Aluminium
Thermally broken aluminium, side-hung, top-hung, fixed, pivot or tilt and turn casement window system.
Alitherm 800 - Thermally Broken Casement Window
Verified 1 day ago
Smart Architectural Aluminium
Thermally broken aluminium, side-hung, top-hung or fixed casement window system.
Alitherm 700 - Thermally Broken Casement Windows
Verified 1 day ago
Smart Architectural Aluminium
Thermally broken aluminium, side-hung, top-hung or fixed casement window system.
Alitherm 600 - Thermally Broken Casement Window
Verified 1 day ago
Smart Architectural Aluminium
Thermally broken aluminium, side-hung, top-hung or fixed casement window system.
Heritage Flush Casement Window - The Richmond - Timber Heritage Window
Verified 1 day ago
Gowercroft Joinery Limited
Timber Heritage Flush Casement Window with U-value of 1.06 W/m²K. Wooden heritage windows for listed buildings and those in conservation areas.
System 4-35 Hi+ POV Window - Enhanced Parallel Opening Vent Window
Verified 6 days ago
Metal Technology Ltd
System 4-35 Hi+ POV offers the designer a wide and diverse range of profiles that will provide structural integrity, weather performance, thermal enhancement and security.
System 5-45Hi+ Tilt And Turn Window (Passivhaus) - Aluminium window units
Verified 6 days ago
Metal Technology Ltd
Passive House Institute certified aluminium framed, tilt and turn window system.
System 4-35Hi+ Casement Window
Verified 6 days ago
Metal Technology Ltd
Enhanced thermal break window system.
System 15 Secondary Glazing
Verified 6 days ago
Metal Technology Ltd
Aluminium secondary glazing.
System 4-20Hi+ Casement Window
Verified 6 days ago
Metal Technology Ltd
Thermally enhanced polyamide casement window.
System 24 Panel Adaptor
Verified 6 days ago
Metal Technology Ltd
Allows seamless fitting of Metal Technology windows into 'Kingspan' type cladding systems.
System 17 Concealed Vent
Verified 6 days ago
Metal Technology Ltd
A concealed top hung casement opening vent, designed to be fixed within Metal Technology curtain walling systems, to appear frameless externally.
System 1-35Hi+ Top Swing Window
Verified 6 days ago
Metal Technology Ltd
Thermally enhanced polyamide fully reversible top swing window system.
System 5-35Hi+ Tilt And Turn Window
Verified 6 days ago
Metal Technology Ltd
Highly efficient and thermally enhanced polyamide tilt and turn window system.
System 5-20Hi+ Tilt And Turn Window
Verified 6 days ago
Metal Technology Ltd
Thermally enhanced polyamide tilt and turn window system.
System 7-20Hi+ Pivot Window
Verified 6 days ago
Metal Technology Ltd
Thermally enhanced pivot window system.
TW70 TruEnergy Commercial Window
Verified 7 days ago
Jack Aluminium Systems Ltd
Energy efficient aluminium windows.
SW60 TruEnergy Window - Residential Window System
Verified 7 days ago
Jack Aluminium Systems Ltd
Thermally efficient and high security aluminium windows.
Showing 1-36 of 384