NBS Source
I'm a manufacturer

Composite Residential Door Outer Frame - Composite Door Frame

Verified by manufacturer today

Epwin Window Systems Product certifications:
  • PAS 24

    Certificate type

A 70 mm PVC-U outer frame system designed for composite doors, offering enhanced thermal performance, security, and compatibility with multiple door styles for residential and commercial use.

Jump to:
0845 340 3968 Website

Application

The Composite Door Outer Frame is suitable for a wide range of architectural applications where secure, thermally efficient, and low-maintenance door framing is required. Its 70 mm PVC-U construction, compatibility with composite door leaves, and flexible configuration options make it ideal for both new-build and refurbishment projects.

New-Build Residential Developments

Ideal for houses, apartments, and townhouses, the frame provides a robust and thermally efficient solution for front and rear entrance doors. Its wide colour range and profile options support varied design schemes.

Social Housing and Affordable Housing Schemes

In high-volume housing projects, the frame offers a cost-effective, durable, and secure solution that meets the performance and compliance needs of local authorities and housing associations.

Refurbishment and Retrofit Projects

The frame is well-suited to replacing outdated timber or metal door frames, offering improved thermal performance, security, and aesthetics with minimal maintenance requirements.

Public Sector Buildings

For schools, healthcare facilities, and other civic buildings, the frame provides a reliable, low-maintenance solution that supports accessibility and long-term performance in high-traffic environments.

Commercial Entrances and Mixed-Use Developments

In retail, office, and mixed-use buildings, the frame supports secure and visually appealing entrances, with compatibility for side panels and top lights to suit larger openings.

High-Traffic and Multi-Residential Buildings

The frame’s robust PVC-U construction and weather resistance make it ideal for apartment blocks, student accommodation, and other multi-residential settings where durability is essential.

Description

A High-Performance PVC-U Outer Frame System for Composite Door Installations

The Composite Door Outer Frame is a robust 70 mm PVC-U framing system engineered to support the installation of composite door leaves across a wide range of residential and commercial applications. Designed for compatibility with multiple door styles and hardware options, it delivers excellent thermal insulation, structural integrity, and long-term durability.

Manufactured by Epwin Window Systems, the frame is available in a wide range of colours and finishes, and is suitable for both new-build and refurbishment projects.

Design & Aesthetic Excellence

The Composite Door Outer Frame is designed to complement a wide variety of composite door styles, offering clean sightlines and a choice of finishes to suit both traditional and contemporary schemes.

  • 70 mm frame depth for compatibility with standard composite door leaves
  • Available in bevelled and sculptured profile options
  • Wide range of colour and woodgrain-effect finishes
  • Dual-colour options for internal/external contrast
  • Compatible with sidelights and top lights
  • Low threshold options for accessibility

This flexibility ensures the frame can be used across a broad spectrum of architectural styles and property types.

Thermal Performance & Energy Efficiency

The frame is engineered to enhance the thermal performance of composite door installations, helping to reduce heat loss and improve energy efficiency.

  • Multi-chambered PVC-U profile for improved insulation
  • Supports U-values as low as 1.0 W/m²K (when used with appropriate door leaf and glazing)
  • Co-extruded gaskets for airtightness
  • Supports compliance with Approved Document L

These features contribute to improved occupant comfort and reduced energy consumption.

Security & Compliance

The Composite Door Outer Frame is designed to meet modern security standards when used with compatible composite door leaves and hardware.

  • PAS 24:2016 capable (when tested as a complete doorset)
  • Secured by Design compliant (subject to specification)
  • Internally glazed for added security
  • Compatible with multi-point locking systems
  • Compliant with Approved Documents Q (Security), L (Thermal), and M (Access)

This ensures the frame supports secure and regulation-compliant installations.

Durability & Low Maintenance

Manufactured from high-quality, lead-free PVC-U, the frame offers long-term durability with minimal maintenance. It is resistant to weathering, warping, and discolouration.

  • UV-stable and weather-resistant surface finish
  • Easy to clean and maintain
  • Long service life with minimal upkeep
  • Backed by manufacturer warranties

This makes it ideal for high-traffic residential and commercial environments.

Construction & Configuration

  • 70 mm PVC-U outer frame system
  • Available in bevelled and sculptured profiles
  • Internally glazed
  • Compatible with composite door leaves, sidelights, and top lights
  • Low threshold options available
  • Suitable for single and double door configurations

This modular design allows the frame to be tailored to a wide range of installation requirements.

Sustainability

The Composite Door Outer Frame supports sustainable construction through energy efficiency, recyclability, and responsible manufacturing.

  • Fully recyclable PVC-U profiles
  • Manufactured in the UK to ISO 14001 environmental standards
  • Supports BREEAM and other sustainability targets
  • Long lifespan reduces environmental impact

Applications

The Composite Door Outer Frame is suitable for:

  • New-build residential developments
  • Social housing and affordable housing schemes
  • Refurbishment and retrofit projects
  • Public sector buildings such as schools and healthcare facilities
  • Commercial entrances and mixed-use developments
  • High-traffic and multi-residential buildings

Digital Specification Support

To support digital workflows and specification platforms, the Composite Door Outer Frame is available with:

  • NBS Chorus-compatible specification data
  • BIM object availability (Revit, IFC, DWG)
  • COBie-compliant data
  • Full technical documentation including datasheets, test reports, and installation guides

Why Specify the Composite Door Outer Frame?

  • 70 mm PVC-U frame compatible with a wide range of composite doors
  • Supports U-values as low as 1.0 W/m²K
  • PAS 24 and Secured by Design capable
  • Available in bevelled and sculptured profiles
  • Wide range of colours and finishes
  • Durable, low-maintenance construction
  • Suitable for new-build and refurbishment projects
  • Backed by Epwin’s technical support and warranties

General information

Color

White

Cream

Brown

Grey

Manufacturer guidance

Colour swatch booklets are available upon request.

Material

Steel

Aluminium

PVC-U

Shape

Rectangle

Length

2010 mm

Warranty description

Ten year

Uniclass

Pr_30_59_24_16 Composite doorsetsPrimary

CAWS

L20/480 Doorsets

L20/55 Doorsets

Specification data - Composite doorsets

Classification data

Standard

To BS 6375-1 and BS 7412.

Configuration

Single leaf, open in.
Single leaf, open out.

Performance

-

Intruder resistance

-

Minimum requirement

PAS 24.

Frame

-

Threshold

70 mm depth outer frames.

Door leaf

-

Thickness

Insert requirement.

Guidance for specification option:

24–46 mm.

Core

Glass reinforced plastic.
PVC-Polycarbonate.
Stell skinned composite.

Glazing

-

Manifestation

Not required.
Georgian bars.
Leaded glass.
Patterned glass.

Colour

-

External

Agate grey RAL 7038.
Anteak.
Anthracite grey RAL 7016.
Anthracite grey RAL 7016.
Basalt grey RAL 7012.
Black brown.
Black Ulti-Mat.
Buckingham Grey RAL 7005.
Chartwell Green BS14C35.
Claystone.
Cream RAL 9001.
Dark Green RAL 6009.
Dark Red RAL 3011.
Flemish Gold Smooth.
Hazy Grey Finesse RAL 7001.
Honey Oak Super Matt.
Irish Oak.
Kensington Grey RAL 7037.
Pebble Grey RAL 7032.
Pyrite.
Rosewood RAL 8017.
Sage Smooth.
Silver D Smooth.
Slate Grey RAL 7015.
Slate Grey Finesse RAL 7015.
Steel Blue RAL 5011.
Swamp Oak.
White RAL 9010.
Windsor.

Manufacturer guidance

Note that the RAL colours listed are not exact matches; the manufacturer recommends that the colour match is checked prior to use to ensure suitability. Colour swatch booklets are available upon request.

Hardware

10 inch gold letter box.
10 inch silver letterbox.
12 inch chrome letterbox.
Aluminium door knocker.
Brass or chrome viewers.
Lever/ Lever handles.
Lever/ Pad handles.

Locking

High security multi-point locking system.

Guidance for specification option:

Available in white or brown.

Security level

PAS 24.

Third-party certification

Kitemark™ Certificate to BS EN 12608.

Sustainability data

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Manufacturing plant location

Material

Steel
Aluminium
PVC-U

Recyclability

-

Manufacturer guidance

Can be recycled.

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

0 %

Expected Life

35 year

Product certifications

PAS 24

PAS 24

BS 8529 / PAS24 - Enhanced Security Composite Door Certificate no.KM 594776

Literature

Composite Door Frame System

Composite Door Frame System

Door collection -  Social Sector

Door collection - Social Sector

PVC_U window and door Colour guide_Epwin Window Systems

PVC_U window and door Colour guide_Epwin Window Systems

Case studies

Profile 22’s windows and doors selected for care home and assisted living apartments

Profile 22’s windows and doors selected for care home and assisted living apartments

Profile 22’s Windows and Doors deliver thermal efficiency to tower block residents

Profile 22’s Windows and Doors deliver thermal efficiency to tower block residents