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Aluminium & Plastic Extrusions / Profiles fabrication for Windows & Doors

Frame, sash and sealing profiles fabricated for repeat, reliable fit

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Profiles that fit and ready for repeat production

Consistent quality in window and door manufacturing depends on more than the profile itself. Aluminium and plastic window and door systems require accurate CNC machining, precise fabrication, dependable component preparation and reliable supply to maintain fit, function and finish across every order. Poor machining accuracy can affect alignment, sealing, drainage, hardware fit and overall product performance.

We provide CNC machining and fabrication services for aluminium and plastic window and door profiles, supporting manufacturers with precision processing for repeatable production quality. From prototype development to batch manufacturing, we help ensure components are prepared accurately for efficient assembly and dependable end performance.

To support production schedules, we also provide storage and just-in-time (JIT) delivery services for aluminium and plastic window and door components. Our stockholding and scheduled supply service helps reduce inventory costs, improve workflow and ensure the right machined and fabricated parts are available exactly when needed.

BWC PROFILES MACHINING

CNC / Fabrication

BWC Profiles - Stock and JIT Services

Stock

BWC Profiles - Release and Deliver

Release / Deliver

Aluminium & Plastic Profiles Fabrication for Windows & Doors

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Aluminium Windows & Door profiles

Typical aluminium profile components we fabricate for windows and doors include:

  • Outer frames

  • Sashes / vents

  • Meeting stiles and interlocks

  • Beads and glazing retainers

  • Cover caps and trims

  • Threshold sections

  • Couplers, mullions and transoms

  • Add-ons for head/drip details and reveals

  • Reinforcement or stiffening sections (where required by design)

Aluminium is chosen for durability, stiffness, corrosion resistance and finish quality. For system manufacture, the key is how the section behaves in fabrication: corner crimping or cleating, machining for hardware, and maintaining straightness and squareness through assembly. This is why aluminium profiles, aluminium door profiles, window frame extrusions, and other window and door profiles need to be developed around repeatable geometry, not just nominal section size.

Plastic Windows & Door profiles

Plastic extrusions commonly sit at the points that decide sealing, feel and long-term durability:

  • Glazing gaskets and wedge gaskets
  • Weather seals and perimeter seals
  • Co-extruded seals (rigid carrier with flexible lip where needed)
  • Thermal isolators / interface strips (where specified)
  • Packers, spacers and setting blocks (profiled variants)
  • Edge trims and protective inserts
  • Anti-rattle / wear strips for moving interfaces

 

We fabricate plastic window profiles and plastic door profiles where the requirement is functional: predictable compression, retention in the groove, clean corner behaviour, and durability through repeated opening/closing cycles. This includes weather seal profiles, gasket profiles for windows and doors and other plastic sealing profiles used across window and door profiles.

We know what matters in window and door Fabrication

When you’re specifying window and door extrusions, performance comes down to more than profile size. The details inside the section shape how the product assembles, seals, drains and performs over time.

At BWC Profiles, we design extrusion supply around real-world manufacture, assembly and long-term reliability.

Precision where it matters

Critical features like glazing pockets, gasket grooves, interlocks, hardware points and drainage paths must repeat accurately every time. Small variation in these areas can affect sealing, fit, closing action and overall build quality. 

Stronger corners. Better assembly.

Reliable window and door systems depend on repeatable corner builds. We help ensure sections assemble square, maintain clean sightlines and support consistent joint integrity across production. 

Sealing that performs properly

A good closing feel comes from well-designed gasket behaviour. We develop gasket and seal profiles alongside the aluminium section so compression, retention and contact pressure work together — helping reduce drag, stretching, movement and premature wear. 

Drainage designed for real use

Drainage has to keep working after machining, fabrication and installation. We design practical water paths that stay open, shed water effectively and avoid weak points or trapped debris. 

Hardware interfaces that stay stable

Locks, hinges, handles and rollers place local loads on a profile. We design stable fixing zones and accurate machining datums so hardware fits cleanly, clamps correctly and maintains alignment through repeated use.

Thermal interfaces that are manufacturable

Where thermal breaks or multi-part assemblies are involved, consistency matters. We design mating features that assemble reliably, tolerate production variation and stay stable through temperature change and service life. 

Finish quality that supports your brand

Windows and doors are highly visible products, so finish matters. We help protect appearance through better section design, careful handling and coordinated finishing support — helping maintain surface quality across repeat batches and phased call-offs. 

Why BWC Profiles

Windows and doors demand repeatability. A profile set that’s nearly right becomes expensive fast, through rework, adjustment time, inconsistent feel, sealing issues and batch variation.

At BWC Profiles, some of the services we support window and door extrusion supply with:

BWC Profiles CNC and Fabrication Services

Fabrication

Fabrication support where repeat machining/prep is required

BWC Profiles Powder Coating and all Types of Finishing

Finishing

Finishing coordination for consistent appearance

BWC Profiles Stockholding and JIT support services

Stockholding

Stockholding and call-offs to support programmes and repeat production and scheduled supply

Which helps you reduce rework, improve build consistency and keep quality under control across repeat manufacture. And that matters because window and door extrusions, window and door profiles, window frame extrusions, door frame extrusions, sash profiles, glazing bead extrusions and threshold profile extrusions are only as reliable as the consistency of the full profile set across fabrication and supply.

Talk to us about your profile requirements

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Whether you need a trusted partner for precision CNC machining and fabrication of aluminium and plastic window and door components, or a more dependable solution for stockholding and just-in-time supply, we provide a service built around quality, consistency and delivery confidence. Send us your drawings or section details and we will help you create a supply programme that supports accurate manufacture, reliable assembly and smooth production scheduling.

  • Send drawings and section details
  • Discuss CNC machining and fabrication requirements
  • Review finishing, storage and stockholding options
  • Arrange scheduled JIT supply and call-offs