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PVC-u Flush Tilt & Turn Window - PVC-U Tilt And Turn Window

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Single opening

Epwin Window Systems Variant:
Product certifications:
  • PAS 24

    Certificate type

  • BSI Kitemark

    BSI Kitemark

    Certificate type

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.

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Application

The Flush Tilt & Turn Window is suitable for a wide range of architectural applications where modern aesthetics, secure ventilation, and high performance are essential. Its flush sash design, slim sightlines, and robust engineering make it particularly well-suited to medium and high-rise buildings, as well as refurbishment and commercial projects.

High-Rise Residential Developments

Ideal for apartments, student accommodation, and multi-storey housing schemes, the Flush Tilt & Turn Window offers safe ventilation and easy cleaning from inside the building. Its flush design enhances the external appearance of façades, while its thermal and acoustic performance supports compliance with Building Regulations.

Urban and Mixed-Use Buildings

In city-centre and regeneration projects, this window system provides a sleek, contemporary solution that complements modern architectural styles. Its dual-function operation and wide colour range make it adaptable to a variety of design requirements, from residential units to ground-floor commercial spaces.

Commercial and Public Sector Buildings

The Flush Tilt & Turn Window is also suitable for offices, schools, healthcare facilities, and other public buildings. Its secure tilt-before-turn operation ensures safe ventilation in high-traffic environments, while its durable PVC-U construction offers long-term performance with minimal maintenance.

Refurbishment and Retrofit Projects

Thanks to its clean lines, flush finish, and flexible sizing, this window system is an excellent choice for upgrading existing buildings. It can replace older systems while significantly improving thermal efficiency, security, and aesthetics. It is also suitable for use in conservation areas (subject to planning approval), where a traditional appearance must be maintained alongside modern performance.

Description

A Flush PVC-U Tilt & Turn Window for Modern, High-Rise Living

The Flush Tilt & Turn Window is a high-performance PVC-U window system designed for medium to high-rise residential, commercial, and public sector applications. With a sash that sits flush within the outer frame, this system delivers a clean, contemporary aesthetic while offering secure ventilation, excellent thermal performance, and ease of maintenance.

Manufactured by Epwin Window Systems, the Flush Tilt & Turn Window is engineered to meet the latest UK Building Regulations and provides a practical, low-maintenance solution for modern developments and refurbishment projects.

Design & Aesthetic Excellence

The Flush Tilt & Turn Window features a true flush sash design that creates a sleek, flat appearance, enhancing the visual appeal of any elevation. Its slim sightlines and wide range of colour options make it a versatile choice for both contemporary and traditional façades.

  • Flush sash sits level with the outer frame for a clean, modern look
  • Slim sightlines maximise natural light and external views
  • Available in over 30 colour options including White, Anthracite Grey, Agate Grey, and Irish Oak
  • Dual-colour options for internal/external contrast
  • Smooth and woodgrain-effect finishes available
  • Compatible with curtain walling and other commercial systems

This design flexibility allows the window to complement a wide range of architectural styles, from urban apartments to mixed-use developments.

Thermal Performance & Energy Efficiency

The Flush Tilt & Turn Window is designed to deliver outstanding thermal insulation, helping to reduce heat loss and improve energy efficiency. Its multi-chambered profile and advanced glazing options support compliance with Approved Document L.

  • U-values as low as 0.8 W/m²K with triple glazing
  • Glazing options: 28 mm, 40 mm, or 44 mm (double or triple glazing)
  • Multi-chambered PVC-U profiles for enhanced thermal performance
  • Co-extruded gaskets and secure sealing for improved airtightness
  • Supports compliance with Part L of the Building Regulations

These features contribute to lower energy bills, improved occupant comfort, and long-term sustainability.

Security & Compliance

The system is designed to meet the highest standards of security and regulatory compliance. It is PAS 24 approved and suitable for Secured by Design specifications, making it ideal for residential and commercial developments where safety is a priority.

  • PAS 24:2016 certified
  • Secured by Design compliant
  • Tilt-before-turn operation for safe ventilation
  • Anti-slam and concealed gearing for added safety
  • Restrictors available for controlled opening
  • Multi-point locking with Safeware hardware
  • Compliant with Approved Documents Q (Security), L (Thermal), and M (Access)

This makes the Flush Tilt & Turn Window a secure and future-ready solution for a wide range of applications.

Durability & Low Maintenance

Manufactured from high-quality PVC-U, the Flush Tilt & Turn Window is built to withstand the demands of daily use while requiring minimal upkeep. Its surface finish resists fading, warping, and weathering, making it ideal for long-term performance in exposed locations.

  • Weather-resistant and UV-stable
  • Easy to clean and maintain
  • Long service life with minimal maintenance
  • Internally glazed for added security and ease of installation
  • Backed by manufacturer warranties

This makes it particularly suitable for high-rise buildings, social housing, and other settings where durability and ease of care are essential.

Construction & Configuration

  • PVC-U profile system with flush sash design
  • 70 mm sash and 86 mm outer frame
  • Internally glazed as standard
  • Tilt-before-turn operation for ventilation and cleaning
  • Compatible with curtain walling and fully reversible systems
  • Large ancillary range for design flexibility
  • Maximum sash size: 2300 mm x 1450 mm

This modular approach allows the system to be configured to suit a wide range of project requirements.

Sustainability

The Flush Tilt & Turn Window is manufactured using responsibly sourced materials and offers options with recycled content. It is designed for long-term performance and recyclability at end of life.

  • Fully recyclable PVC-U profiles
  • Manufactured in the UK to ISO 14001 environmental standards
  • Supports sustainable construction and BREEAM targets
  • Low-maintenance design reduces lifecycle impact

Applications

The Flush Tilt & Turn Window is suitable for:

  • High-rise residential developments
  • Urban apartments and mixed-use buildings
  • Commercial offices and retail units
  • Public sector buildings such as schools and hospitals
  • Refurbishment and retrofit projects
  • Conservation areas (subject to planning approval)

Its combination of flush aesthetics, thermal efficiency, and secure ventilation makes it a reliable choice for a wide range of architectural applications.

Digital Specification Support

To support digital workflows and specification platforms, the Flush Tilt & Turn Window 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 Flush Tilt & Turn Window?

  • U-values as low as 0.8 W/m²K
  • PAS 24 and Secured by Design compliant
  • Flush sash design for modern aesthetics
  • Slim sightlines and wide colour range
  • Durable, low-maintenance PVC-U construction
  • Tilt-before-turn operation for safe ventilation and easy cleaning
  • Compatible with curtain walling and commercial systems
  • Designed for efficient fabrication and installation
  • Backed by Epwin’s technical support and warranties

General information

Color

White

Beige

Black

Blue

Brown

Show more

Manufacturer guidance

Colour swatch booklets are available upon request.

Finish

Smooth

Material

PVC-U

Shape

Rectangle

Length

2300 mm

Width

1450 mm

Warranty description

Ten year

Uniclass

Pr_30_59_98_92 Unplasticized polyvinyl chloride (PVC-U) window unitsPrimary

CAWS

L10/3 PVC-U windows

L10/350 PVC-U windows

Product range

Profile 22
Spectus

Specification data - Unplasticized polyvinyl chloride (PVC-U) window units

Classification data

Standard

To BS 6375-1 and BS 7412.

Third-party certification

Kitemark™ Certificate to BS EN 12608.

Dimensions and configurations

Single opening.

Manufacturer guidance

Fully integrated 70 mm frames incorporating 86 mm sashes. Opening up to 2300 x 1450 mm maximum.

Product performance

-

Weather performance

-

UK exposure category

To BS 6375-1, 2400 Pa.

Air permeability

To BS 6375-1, Class 4, 600 Pa.

Watertightness

To BS 6375-1, Class 9A, 600 Pa.

Resistance to wind load

To BS 6375-1, Class BE, 2400 Pa.

Safety

-

Security level

To PAS 24.

Environmental

-

Acoustic performance rating

36 to 44 dB.

Thermal

-

Whole window U-value

0.8 W/m²K.

Guidance for specification option:

Triple glazing.

1.2 W/m²K.

Guidance for specification option:

Double glazing.

British Fenestration Rating Council Window Energy Rating

A++.

Frame

-

Reinforcement

RCM (recycled composite material) reinforcements.
Aluminium.
Steel and aluminium.

Colour and texture

Cream RAL 9001.

Guidance for specification option:

Cream base.

Claystone.

Guidance for specification option:

Cream base.

Pebble Grey RAL 7032.

Guidance for specification option:

Cream base.

Windsor.

Guidance for specification option:

Cream base.

Sage Smooth.

Guidance for specification option:

Cream base.

Agate Grey RAL 7038.

Guidance for specification option:

Cream base.

Chartwell Green BS14C35.

Guidance for specification option:

Cream base.

Irish Oak.

Guidance for specification option:

Tan base.

Light Oak RAL 8001.

Guidance for specification option:

Tan base.

Honey Oak Super Matt.

Guidance for specification option:

Tan base.

Pyrite.

Guidance for specification option:

Tan base.

AnTeak.

Guidance for specification option:

Brown base.

Swamp Oak ST-F.

Guidance for specification option:

Brown base.

Rosewood RAL 8017.

Guidance for specification option:

Brown base.

Black Brown RAL 8022.

Guidance for specification option:

Brown base.

Flemish Gold Smooth.

Guidance for specification option:

Brown base.

White RAL 9010.

Guidance for specification option:

White base.

Dark Red RAL 3011.

Guidance for specification option:

White base.

Steel Blue RAL 5011.

Guidance for specification option:

White base.

Dark Green RAL 6009.

Guidance for specification option:

White base.

Black Ulti-Matt.

Guidance for specification option:

Grey base.

Silver D Smooth.

Guidance for specification option:

Grey base.

Hazy Grey Finesse RAL 7001.

Guidance for specification option:

Grey base.

Kensington Grey RAL 7037.

Guidance for specification option:

Grey base.

Buckingham Grey RAL 7005.

Guidance for specification option:

Grey base.

Basalt Grey (Smooth) RAL 7012.

Guidance for specification option:

Grey base.

Slate Grey (Finesse) RAL 7015.

Guidance for specification option:

Grey base.

Slate Grey RAL 7015.

Guidance for specification option:

Grey base.

Anthracite Grey RAL 7016.

Guidance for specification option:

Grey base.

Anthracite Grey (Smooth) RAL 7016.

Guidance for specification option:

Grey base.

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.

Ventilator

Controllable.
Permanent.

Glazing or infill

-

Requirements

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

Hardware

Anti-switch barrier.
Controllable ventilators.
Locking handles.
Multi-point espagnolette locking.
Night vent.
Permanent ventilators.
Sash lifter.
Scissor hinge.
Security restrictor.
Slot vent.
TBT bottom hinge, standard.
TBT bottom hinge, concealed.
TBT restrictor.
TBT top hinge.

Fixing features

Triple seal for improved weather resistance.

Sustainability data

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Manufacturing plant location

Material

PVC-U

Recyclability

95%

Manufacturer guidance

The Building Research Establishment (BRE) reports PVC-U offers a service life of 35 years expanding the life span of 350 years which makes PVC-U a sustainable building material.

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

45 %

Manufacturer guidance

The lifecycle is extended with the launch of Epwin Recycle offering a true cradle-to-cradle solution. The post-consumer PVC-U is collected, broken into small pieces, processed and reintegrated in the manufacturing process,

turning old windows to a new, with minimal harm to the planet.

Expected Life

35 year

Manufacturer guidance

The lifecycle is extended with the launch of Epwin Recycle offering a true cradle-to-cradle solution. The post-consumer PVC-U is collected, broken into small pieces, processed and reintegrated in the manufacturing process,

turning old windows to a new, with minimal harm to the planet.

The Building Research Establishment (BRE) reports PVC-U offers a service life of 35 years expanding the life span of 350 years which makes PVC-U a sustainable building material.

BIM objects

Platform Compatible Version
Revit
-

1

Product certifications

PAS 24

PAS 24

BS EN 12608-1 / PAS24 - PVCU Profile Enhanced Secured Window Systems Suppliers Certificate no. KM 33523

BSI Kitemark

BSI Kitemark

BS EN 12608-1 - PVC-U Profiles for the fabrication of windows and doors Certificate no. KM 12895

Literature

Epwin Window Systems Flush Tilt & Turn Brochure

Epwin Window Systems Flush Tilt & Turn Brochure

PVC_U window and door Colour guide_Epwin Window Systems

PVC_U window and door Colour guide_Epwin Window Systems

PVC U Flush Tilt and Turn data sheet

PVC U Flush Tilt and Turn data sheet

Case studies

Keele University - reviving a landmark building with our flush tilt and turn windows

Keele University - reviving a landmark building with our flush tilt and turn windows

Profile 22 Flush Tilt and Turn windows have been used in the construction of flats for University of Derby students.

Profile 22 Flush Tilt and Turn windows have been used in the construction of flats for University of Derby students.

Profile 22 Flush Tilt & Turn windows helps create a tenure-blind new build

Profile 22 Flush Tilt & Turn windows helps create a tenure-blind new build

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