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The most up-to-date brand of uPVC profile on the market. With a focus on research, development and design, the Liniar range continues to push the boundaries when it comes to product innovation.
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70mm Casement
Standard or EnergyPlus

70mm Casement Window

With a classic uPVC window design, casement windows are a timeless and popular home improvement solution. Liniar has created a market-leading, energy-efficient profile with slim sightlines, bringing the casement window into the 21st century.

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Liniar casement windows

Versatile

Liniar 70mm

windows are a timeless choice for homeowners, perfect for creating both contemporary and classic aesthetics across many different settings. 

Functional & energy efficient

Made in Derbyshire at the Liniar extrusion plant, the 70mm profiles are

and utilise the latest in profile technology, while slim sightlines allow maximum natural light.

Liniar casement windows
Liniar casement windows

Fully customisable

Available in a range of colours, we're sure there will be an option that matches your home and all 70mm casement windows can have the addition of mock sash horns, astragal, Georgian bars and patterned or etched glass - allowing you to personalise to suit your style. 

Secure

Fitted with high security, multi-point locking as standard, plus PAS24 and Secured by Design options available.

Liniar casement windows
Customise your Casement Window
Available Colours
9162D7A1-7B47-4581-9B0A-4AE2C604D808Exterior
9162D7A1-7B47-4581-9B0A-4AE2C604D808Interior
White
RAL 9003
Available in
C
CHAMFERED
chamfered
S
SCULPTURED
chamfered
White
White
Cream
7016 Grey
Rosewood
Irish Oak
Golden Oak
Black Brown
Chartwell Green
Gale Grey Finesse
Agate Grey
Zoom in
086893B1-1E55-41C0-BD9C-46BA6CDD2C43
70mm Casement Catalogue White Exterior

This product is available in more colours for bespoke orders. See the full colour range here.

Technical information

Compare products

Use our comparison tool to compare up to three product types. You can compare products by clicking this button to add them to your comparison basket. When you are ready to compare, click the ‘Compare’ button in the toolbar and you will be shown your selected products one screen.
619E3D06-F09C-40F6-B917-F7383D1418E5
Material
PVCu
FAAF43B3-FC81-4494-8199-2F2067DB25FC
Styling
Sculptured or Chamfered
259BC305-9CAC-4A82-B307-5DEBB1470364
Frame Depth
70mm
Profile
Profile
Standard or EnergyPlus
7A92A4EA-2AC1-46E5-A6FC-2D05048B5E4E
Glazing
28mm, 36mm or 40mm IGU
894B6FFF-425C-4A6B-8FD7-7B708DC6921B
Lowest U-Value
0.85 W/m²K (Whole window)
EAB63F1A-8E5C-4736-907B-69FB8B586F7C
Best Acoustic Rating
37 (-2;-5)
E2A03DE8-F5CC-4E82-8886-34B2E1D7B78B
Highest Energy Rating
A++
2A2D6E87-4676-4E05-AC96-8E42947F4F73
Patented Bubble Gasket
Yes
Recycled material
Contains Recycled Material
No
ED81E880-F76F-4CFA-AB10-4FC758ED9229
Fully Recyclable
Yes

Easy installation

Not all

windows are created equal. Liniar's ground-breaking, energy-efficient windows are specifically designed and engineered for easy installation.

This instructional video aims to assist window installers in properly fitting a Liniar window, adhering to industry standards and ensuring the installation process is carried out with maximum efficiency.

70mm Casement Window FAQS

What happens next?

Decided casement windows are the ones for you? You'll need to find a Liniar supplier! Simply search using your postcode to display suppliers nearest to you (or those who deliver nationwide).

Find a supplier

Product information

Accreditations
SBD

Secured By Design

BSI EN 6375

BS EN 6375

BS EN 12608

BS EN 12608

BSI ISO14001 Logo

ISO 14001

BSI PAS24 kite mark

PAS24 Security