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Window units

Find and specify window units from top manufacturers with NBS Source. Browse 392 products that are ready to use on your projects. Classification Pr_30_59_98.

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Showing 1-36 of 383

Sponsored
System 4-20Hi+ Casement Window

System 4-20Hi+ Casement Window

Verified 3 days ago

Metal Technology Ltd

Thermally enhanced polyamide casement window.
Sponsored
System 4-35 Hi+ POV Window - Enhanced Parallel Opening Vent Window

System 4-35 Hi+ POV Window - Enhanced Parallel Opening Vent Window

Verified 3 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.
Sponsored
System 5-45Hi+ Tilt And Turn Window (Passivhaus) - Aluminium window units

System 5-45Hi+ Tilt And Turn Window (Passivhaus) - Aluminium window units

Verified 3 days ago

Metal Technology Ltd

Passive House Institute certified aluminium framed, tilt and turn window system.
Sponsored
System 4-35Hi+ Casement Window

System 4-35Hi+ Casement Window

Verified 3 days ago

Metal Technology Ltd

Enhanced thermal break window system.
Sponsored
System 7-20Hi+ Pivot Window

System 7-20Hi+ Pivot Window

Verified 3 days ago

Metal Technology Ltd

Thermally enhanced pivot window system.
Sponsored
System 15 Secondary Glazing

System 15 Secondary Glazing

Verified 3 days ago

Metal Technology Ltd

Aluminium secondary glazing.
Sponsored
System 1-35Hi+ Top Swing Window

System 1-35Hi+ Top Swing Window

Verified 3 days ago

Metal Technology Ltd

Thermally enhanced polyamide fully reversible top swing window system.
Sponsored
System 5-35Hi+ Tilt And Turn Window

System 5-35Hi+ Tilt And Turn Window

Verified 3 days ago

Metal Technology Ltd

Highly efficient and thermally enhanced polyamide tilt and turn window system.
Sponsored
System 5-20Hi+ Tilt And Turn Window

System 5-20Hi+ Tilt And Turn Window

Verified 3 days ago

Metal Technology Ltd

Thermally enhanced polyamide tilt and turn window system.
Sponsored
System 24 Panel Adaptor

System 24 Panel Adaptor

Verified 3 days ago

Metal Technology Ltd

Allows seamless fitting of Metal Technology windows into 'Kingspan' type cladding systems.
Sponsored
System 17 Concealed Vent

System 17 Concealed Vent

Verified 3 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.
Sponsored
TW70 TruEnergy Commercial Window

TW70 TruEnergy Commercial Window

Verified 4 days ago

Jack Aluminium Systems Ltd

Energy efficient aluminium windows.
+3
Sponsored
SW60 TruEnergy Window - Residential Window System

SW60 TruEnergy Window - Residential Window System

Verified 4 days ago

Jack Aluminium Systems Ltd

Thermally efficient and high security aluminium windows.
+3
BOS
Sponsored
Dortek Hygienic Windows - Stainless Steel

Dortek Hygienic Windows - Stainless Steel

Verified 5 days ago

Dortek Ltd

Hygienic internal window with stainless steel frames.
BOS
Sponsored
Dortek Hygienic Fire Rated Windows - Stainless Steel - Fire rated hygienic internal window

Dortek Hygienic Fire Rated Windows - Stainless Steel - Fire rated hygienic internal window

Verified 5 days ago

Dortek Ltd

Fire rated hygienic internal window with stainless steel frames.
Sponsored
Internal GRP Cleanroom Windows - 30 Min Fire Rating

Internal GRP Cleanroom Windows - 30 Min Fire Rating

Verified 5 days ago

Dortek Ltd

A glass-reinforced polyester window and frame unit.
Sponsored
Internal GRP Cleanroom Windows - 60 Min Fire Rating

Internal GRP Cleanroom Windows - 60 Min Fire Rating

Verified 5 days ago

Dortek Ltd

A glass-reinforced polyester window and frame unit.
BOS
Sponsored
Pitchridge Roof Window - Roof Window

Pitchridge Roof Window - Roof Window

Verified 5 days ago

Glazing Vision Ltd

The Pitchridge is part of our roof window range and is a fixed product comprising two panes joined at the ridge using back-to-back angles and silicone seal.
Sponsored
Profile 22 PVC-u Chamfered Casement Window - PVC-u Window System

Profile 22 PVC-u Chamfered Casement Window - PVC-u Window System

Verified 5 days ago

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
Profile 22 PVC-u Flush Casement Window - Casement Window

Profile 22 PVC-u Flush Casement Window - Casement Window

Verified 5 days ago

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.
+10
Sponsored
PVC-u Vertical Sliding Sash Window - PVC-U Window

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

Verified 5 days ago

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
Stellar Fully Flush Aluminium Casement Window - Aluminium Casement Window

Stellar Fully Flush Aluminium Casement Window - Aluminium Casement Window

Verified 5 days ago

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.
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 5 days ago

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 5 days ago

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

Stellar Aluminium Flush Casement Window - Aluminium Casement Window

Verified 5 days ago

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
Stellar Aluminium Flush Tilt & Turn Window - Tilt and Turn Window

Stellar Aluminium Flush Tilt & Turn Window - Tilt and Turn Window

Verified 5 days ago

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

PVC-u Sculptured Casement Window - Profile 22 - PVC-u Casement Window

Verified 5 days ago

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
Spectus Casement Windows (Ovolo/ Sculptured) - PVC-U Sculptured Window

Spectus Casement Windows (Ovolo/ Sculptured) - PVC-U Sculptured Window

Verified 5 days ago

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

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

Verified 5 days ago

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
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 5 days ago

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 5 days ago

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
uPVC Sash Window - Ultimate Rose Slim Mullion Triple - heritage sash window

uPVC Sash Window - Ultimate Rose Slim Mullion Triple - heritage sash window

Verified 9 days ago

Roseview Windows

Heritage Style uPVC Sash Window
+3
Sponsored
uPVC Sash Window - Ultimate Rose - PVC-U Sash Window

uPVC Sash Window - Ultimate Rose - PVC-U Sash Window

Verified 10 days ago

Roseview Windows

Heritage Style uPVC Sash Window
+3
Sponsored
uPVC Sash Window - Charisma Rose - PVC-U Sash Window

uPVC Sash Window - Charisma Rose - PVC-U Sash Window

Verified 10 days ago

Roseview Windows

Heritage Style uPVC Sash Window
+2
Sponsored
uPVC Sash Window - Heritage Rose Slim Mullion Double - Sash Window Slim Mullion

uPVC Sash Window - Heritage Rose Slim Mullion Double - Sash Window Slim Mullion

Verified 10 days ago

Roseview Windows

Heritage Style uPVC Sash Window
+3
Sponsored
uPVC Sash Window - Heritage Rose Slim Mullion Triple - Sash Window

uPVC Sash Window - Heritage Rose Slim Mullion Triple - Sash Window

Verified 10 days ago

Roseview Windows

Heritage Style uPVC Sash Window
+3

Showing 1-36 of 383