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How to Choose uPVC Casement Door Profiles?

Apr. 21, 2025

Guide to Casement Upvc Windows & Doors

Casement Upvc Windows & Doors also known as Openable Upvc Windows and doors. These type of windows and doors cost a little more than Sliding Upvc Windows and doors. This might be the reason Casement Upvc Windows and doors sell less than Upvc Sliding Windows and doors.

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The only important reason for customers to go for Casement or Openable Upvc Windows and doors is that they get almost 100% open area compared to Sliding Upvc Windows or Doors, where the maximum possible opening possible is 66%.

The front elevation and cross section of both Casement windows and doors are shown in the drawings below.

The only difference between a Casement Window Sash and a casement door sash is the width of the profile. A Casement window sash profile is less in width than a casement door sash profile, while the frame for both types of windows remain constant.

The most general series of Upvc profile that is used to make Casement Windows and doors in 60 series profile. Although this is the most commonly used series of upvc profile used to make upvc casement windows and doors, but apart from 60 series upvc profile 65 series, 70 series as well as many other series of uncommon series are also manufactured by different profile companies.

The above given dimensions of 60 series Upvc profiles may vary as per company to company.

Glass thickness starting from 3.5 mm (single glass) upto 32 mm (double or triple glazed glass) can be used in casement upvc windows and doors.

The basic hardwares used in making of a Upvc Casement Window is as follows:

  1. Single point or multi-point lock
  2. Rubber gaskets
  3. Friction Stay

The basic hardwares used in making of a Upvc Casement Door is as follows:

  1. Mortise lock or Multi-point lock
  2. 3D or 2D Hinges
  3. Rubber Gaskets

Rubber Gaskets:

The rubber gaskets used in the Upvc Casement Windows and doors should be of EPDM quality. There are basically two types of rubber gaskets that are used in the making of a casement window or door.

  1. K type: Used in the Upvc Glazing bead profile
  2. O type: Used in Upvc Window & Door sash profile

The colour of the gasket used may vary as per availability or as per the fabricator’s choice. But the colour black is most commonly used.

Friction Stay:

The friction stay used should be of SS304 grade steel and preferably SS316 grade steel near sea side areas where corrosion is very high, to prevent them from rusting over time.

Single Point Locks:

It is a type of lock which can lock your Upvc Windows or doors in only one single point. The types of single point locks used in Upvc Casement Windows are cockspur handle, T-Lock, etc.

The type of single point lock used in doors is Mortise lock

Multi-point lock:

Multi-point locks are used in both Upvc casement windows and upvc casement doors. They are also known as espags. These are called multi-point locks as they get locks at more than one point, unlike single point locks.

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If you are looking for more details, kindly visit uPVC Casement Door Profiles.

Different combinations of handle can be used in espags for making Casement windows and doors.

3D and 2D Hinges:

3D and 2D hinges are generally used in casement doors to mount the door sash on the casement door frame. It can also be used in upvc casement windows, but friction stay is a more preferred option for Upvc casement windows.

During installation, it is recommended to use nylon capped galvanized fasteners for the fixing of the frames of the Upvc Windows and Doors.

Any gaps that remain around the wall and the Upvc Frame should be sealed using a Weather Silicone of Neutral Cure preferably matching the colour of the Upvc Window Frame or of white colour.

To learn more about Upvc Window & Door making process or to setup your very own Upvc Window workshop, contact us today.

How to choose the best uPVC Profiles for Windows - Okotech

Okotech understands that it’s important for your customers to have windows that complement their home or building architectural features and their personal sense of style.

Depending on their needs, Okotech uPVC window profiles come in a wide range of combinations, sizes and colours. They can choose clean-cut beading or a more decorative sculpted bevel finish, with internal or external steel bars if that suits your customer’s style and preference.

All Okotech uPVC window profiles are built to perform, even in the most severe climates. All are designed, tested and engineered for optimal thermal performance, structural integrity and protection against the elements.

uPVC profiles for Casement Windows
The simplest of all window designs, and perhaps the most popular in terms of sales and installations, the casement window consists of a fixed, glazed frame and a second side hinged frame, or ‘casement’, with a simple opening mechanism to let fresh air into your home.

Quick and easy to fabricate and install, it’s one of the best uPVC profile to bring A+ double glazing efficiency to your customers’ home.

uPVC profiles for Sliding Sash Windows
Okotech uPVC vertical slider windows are the perfect way to stop leaks, rattles and reduce noise levels.

Perfect for Indian architecture and building structures, these uPVC window profiles are designed to have two moveable casements that can slide up and down independently. And unlike fixed sash windows, they can be unlatched from their rails and tilted inwards to make cleaning easier and safer.

uPVC profiles for Tilt & Turn Windows
The beauty of Tilt & Turn windows is the ingenious engineering that allows them to be opened fully like a side hinged casement window – ideal for cleaning the outer glass. These windows can also be tilted inwards on a bottom set of hinges for safe, secure night-time ventilation.

With no glazing bars or mullions to block the view, Okotech uPVC profiles for Tilt and Turn windows areideal for customers looking for an expansive view and for bringing in the maximum amount of light.

And because every one of Okotech Tilt and Turn window is made to order, we can match your windows to your exact specifications. Not just for size, but for any colour and finish you choose from the dozens of options.

uPVC profiles for Combination Windows
These windows are an integration of casement, fixed and sliding windows or two windows of the same type or two windows of different types. A major benefit of this style is the greater freedom it presents in terms of shape, style or size. Okotech combination windows bring unmatched design flexibility to your customers who can customize their spaces based on their individual requirements.

uPVC profiles for Arch Windows
When your customers wish to move away from the standard rectangular windows, you can delight them with Okotech’s uniquely configured uPVC Arch windows that come with customized reinforcement. Be it narrow rounded arch windows or longer arched windows, Okotech uPVC profiles help enhance the visual appeal of a space and lend it a distinctive look.

Contact us to discuss your requirements of uPVC Doors System. Our experienced sales team can help you identify the options that best suit your needs.

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