
Architects & Specifiers · Main Contractors · Developers · Procurement Teams
Building Envelope Solutions
A single-source partner across the full commercial building envelope.
Introduction
Building Envelope Solutions
The building envelope is the external skin of a building — everything that separates the inside from the outside. For commercial buildings that means the glazing, curtain walling, windows, doors, louvres, spandrel panels and roof glazing that together form the facade and roof envelope.
BEWS is a single-source partner across that envelope. Rather than buying each system from a different supplier, project teams can specify curtain walling, windows, doors, louvres, spandrel panels, rooflights and the powder coating that finishes them from one accountable supplier — designed to work together.
What It Is
A building envelope is the physical separator between the interior and exterior of a building. In commercial construction it typically combines aluminium curtain walling, windows, entrance doors, louvre systems, spandrel panels and roof glazing — each performing a structural, thermal, fire or weatherproofing role within the facade.
Because these systems meet at the facade, their performance is interdependent. A curtain walling system's thermal performance depends on the glazing and spandrel build-up behind it; a louvre's ventilation capacity depends on the plenum design; a door's security depends on the framing it sits in. Specifying them together — from one supplier — is how the envelope performs as a system rather than a collection of parts.
Why It Matters
The envelope determines a building's thermal performance, weather tightness, fire strategy, security and appearance. Get it right and the building is efficient, durable and compliant; get the interfaces wrong and the building leaks, underperforms and costs more to operate.
It is also where most of the compliance risk sits. Document L thermal targets, PAS 24 security and CWCT facade testing all fall on the envelope. A single-source envelope partner reduces that risk by taking ownership of the interfaces between systems.
How BEWS Contributes
BEWS contributes across the envelope by designing, fabricating and supplying the systems that form it — and by finishing them in-house with our own powder coating line. We work with architects, main contractors, developers and procurement teams from specification through to delivery.
Our value is in the interfaces. Because we supply curtain walling, windows, doors, louvres, spandrel panels and roof glazing from one source, the connections between systems are our responsibility — not a coordination risk split across multiple suppliers.
Working Together
Curtain walling forms the facade frame; windows and entrance doors integrate within it; spandrel panels mask the structure between vision zones; louvres handle ventilation and plant; roof glazing brings daylight through the roof; and powder coating finishes every aluminium component in a consistent colour.
Specifying these systems together means the thermal breaks, glazing rebates, gaskets and finishes are coordinated. A window specified in isolation may not suit the curtain walling rebate; a spandrel panel specified in isolation may not match the fire strategy. From one supplier, they are specified to fit.
Who We Support
Architects & specifiers — envelope coordination, performance data and specification support.
Main contractors — single-source supply, consistent quality and delivery to programme.
Developers & clients — long-term performance, durability and aesthetic consistency.
Procurement teams — one accountable supplier across multiple envelope systems.
Applications
Where it's used
Commercial new build
Coordinated envelope packages for new commercial buildings.
Refurbishment & facade replacement
Envelope system replacement where performance and interfaces must be managed.
Mixed-use & multi-unit
Envelopes combining retail ground floors with residential or office upper floors.
Public & education
Durable, compliant envelope systems for public and educational buildings.
Benefits
Why choose it
Single-source supply
Curtain walling, windows, doors, louvres, spandrel panels, roofing and coating from one supplier.
Owned interfaces
The connections between systems are BEWS's responsibility, not a split coordination risk.
Consistent finish
In-house powder coating gives a uniform colour across every coated component.
Specification support
Technical guidance from system selection through to performance data.
Delivery to programme
Fabrication and supply managed to support the project programme.
Product Range
Systems available
Curtain Walling
CWCT-tested facade systems from ground-floor treatment to high-rise.
Windows & Doors
PAS 24 / Document L windows and commercial entrance doors.
Louvre Systems
Fixed ventilation louvres with bespoke plenum boxes.
Spandrel Panels
Bespoke panels in glass, metal and stone with fire-resistant options.
Roof Glazing
Rooflights, lanterns and roof glazing systems.
Powder Coating
In-house architectural coating to any RAL colour.
Technical Information
Performance & specifications
The BEWS envelope combines verified system capabilities from across our solution range.
| Curtain walling | CWCT tested, any RAL |
|---|---|
| Windows | PAS 24, Document L, polyamide thermal break |
| Doors | 100×45mm commercial framing, 6–28mm glazing |
| Louvres | Fixed ventilation, bespoke plenum boxes |
| Spandrel | Glass, aluminium, steel, stone; fire-resistant options |
| Coating | In-house, any RAL, exact colour match |
Specifications reflect verified information published by BEWS. Confirm project-specific performance with our technical team.
Projects
Relevant BEWS projects
Our project showcase is being prepared. In the meantime, talk to our team about projects of this type and how BEWS can support your upcoming scheme.
Discuss Your ProjectReal BEWS project case studies will appear here once supplied. We do not publish invented project data.
Related Solutions
Explore the envelope
FAQs
Common questions
Next Step
Discuss this solution with our team
Speak to BEWS about your project requirements — from specification support to fabrication, supply and delivery.







