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Window units

Find and specify window units from top manufacturers with NBS Source. Browse products for Window units below. Classification Pr_30_59_98.

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Showing 1-36 of 379

Sponsored
PVC-u Vertical Sliding Sash Window - PVC-U Window

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.
Sponsored
Fully Reversible PVC-u Window - Easy Clean Windows - PVC-u Reversible Window System

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.
+6
Sponsored
Profile 22 PVC-u Tilt and Turn Window - Tilt And Turn Window

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.
+2
Sponsored
Stellar Aluminium Flush Casement Window - Aluminium Casement Window

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.
Sponsored
Profile 22 PVC-u Flush Casement Window - Casement Window

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 0.8 W/m²K. Ideal for traditional aesthetics with modern thermal and acoustic performance.
+10
Sponsored
PVC-u Flush Tilt & Turn Window - PVC-U Tilt And Turn Window

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.
+8
Sponsored
Spectus PVC-u Tilt & Turn Window - PVC-U Tilt and Turn Window

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.
Sponsored
Spectus PVC-u Casement Windows (Bevelled/ Chamfered) - PVC-u Chamfered Window

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.
+16
Sponsored
Spectus Casement Windows (Ovolo/ Sculptured) - PVC-U Sculptured Window

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.
+17
Sponsored
Profile 22 PVC-u Chamfered Casement Window - PVC-u Window System

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.
+15
Sponsored
PVC-u Sculptured Casement Window - Profile 22  - PVC-u Casement Window

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.
+15
Sponsored
Fully Flush Aluminium Casement Window - Aluminium Casement Window

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.
BOS
Sponsored
Series 55 Security Demountable Fixed Light

Series 55 Security Demountable Fixed Light

Verified today

Selectaglaze Ltd

High-security demountable fixed light (DFL) secondary glazing.
BOS
Sponsored
Series 50 High Security Double Hinged Casement

Series 50 High Security Double Hinged Casement

Verified today

Selectaglaze Ltd

Security, side hung, double hinged casement (HC) secondary glazing.
BOS
Sponsored
Series 95 Security Vertical Sliding

Series 95 Security Vertical Sliding

Verified today

Selectaglaze Ltd

High-security vertical sliding (VS) secondary glazing.
Sponsored
Modus Tilt and Turn Windows

Modus Tilt and Turn Windows

Verified 18 hours ago

Eurocell plc

75 mm profile tilt and turn windows.
+2
Sponsored
Comar 10 Passivhaus Certified Aluminium Window - Aluminium casement window

Comar 10 Passivhaus Certified Aluminium Window - Aluminium casement window

Verified 5 days ago

Bailey

Thermally efficicient Passivhaus certified aluminium tilt turn open in window
Sponsored

Comar 9Pi High Performance Aluminium Casement Window

Verified 5 days ago

Bailey

High performance aluminium casement windows.
Sponsored

Comar 5Pi Advanced - High thermal performance window system

Verified 5 days ago

Bailey

Thermally broken aluminium window systems. Outward opening, internally beaded.
+7
Sponsored
Comar 5Pi VSW - Vertical Sliding Window

Comar 5Pi VSW - Vertical Sliding Window

Verified 5 days ago

Bailey

Thermally broken aluminium vertical sliding window system.
+2
Sponsored

Comar 9Pi High Performance Aluminium Parallel Opening Window

Verified 5 days ago

Bailey

High performance aluminium parallel opening window.
Sponsored

Comar 5Pi ECO+ - Casement Window System

Verified 5 days ago

Bailey

Thermally efficient polyamide insulation (P.i) casement window system, designed for aesthetics, security and performance.
Sponsored

Comar 9Pi High Performance Aluminium Tilt / Turn Window

Verified 5 days ago

Bailey

High performance aluminium tilt/ turn windows.
Sponsored
Comar 5Pi Therm-L+ - High Performance Thermal Window System

Comar 5Pi Therm-L+ - High Performance Thermal Window System

Verified 5 days ago

Bailey

The Comar 5Pi Therm-L+ thermal window system has been designed to provide a high thermal performance solution for residential and commercial buildings.
+2
BOS
Sponsored
Series 50 High Security Bottom Hung Hinged Casement

Series 50 High Security Bottom Hung Hinged Casement

Verified 5 days ago

Selectaglaze Ltd

Security bottom-hung, hinged casement (HC) secondary glazing.
BOS
Sponsored
Series 50 High Security Single Hinged Casement

Series 50 High Security Single Hinged Casement

Verified 5 days ago

Selectaglaze Ltd

Security, side hung, single hinged casement (HC) secondary glazing.
BOS
Sponsored
Series 50 High Security Top Hung Hinged Casement

Series 50 High Security Top Hung Hinged Casement

Verified 5 days ago

Selectaglaze Ltd

Security, top-hung, hinged casement (HC) secondary glazing.
BOS
Sponsored
Series 41 Heavy Duty Hinged Casement Double

Series 41 Heavy Duty Hinged Casement Double

Verified 6 days ago

Selectaglaze Ltd

Heavy-duty side-hung double hinged casement (HC) secondary glazing.
BOS
Sponsored
Series 90 Heavy Duty Vertical Sliding

Series 90 Heavy Duty Vertical Sliding

Verified 6 days ago

Selectaglaze Ltd

Heavy-duty vertical sliding (VS) secondary glazing.
Sponsored
Series 91 Heavy Duty Vertical Sliding - Secondary Glazing

Series 91 Heavy Duty Vertical Sliding - Secondary Glazing

Verified 6 days ago

Selectaglaze Ltd

Heavy-duty vertical sliding (VS) secondary glazing.
BOS
Sponsored
Series 25 Mid-Range Vertical Sliding

Series 25 Mid-Range Vertical Sliding

Verified 6 days ago

Selectaglaze Ltd

Mid-range vertical sliding (VS) secondary glazing.
BOS
Sponsored
Series 46 Slimline Fixed Light

Series 46 Slimline Fixed Light

Verified 6 days ago

Selectaglaze Ltd

Slimline fixed light (FL) secondary glazing.
BOS
Sponsored
Series 31 Slimline Lift Out

Series 31 Slimline Lift Out

Verified 6 days ago

Selectaglaze Ltd

Slimline lift-out (LO) secondary glazing.
BOS
Sponsored
Series 41 Heavy Duty Bottom Hung Hinged Casement

Series 41 Heavy Duty Bottom Hung Hinged Casement

Verified 6 days ago

Selectaglaze Ltd

Heavy-duty, bottom-hung, hinged casement (HC) secondary glazing.
BOS
Sponsored
Series 45 Slimline Single Hinged Casement

Series 45 Slimline Single Hinged Casement

Verified 6 days ago

Selectaglaze Ltd

Slimline, side hung, single hinged casement (HC) secondary glazing.
BOS
Sponsored
Series 41 Heavy Duty Hinged Casement Stable Door

Series 41 Heavy Duty Hinged Casement Stable Door

Verified 6 days ago

Selectaglaze Ltd

Heavy-duty hinged casement (HC) stable door secondary glazing.

Showing 1-36 of 379