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Stormproof Casement Windows

Our timber casement windows are manufactured to the highest standard, making them suited to conservation projects – including the renovation of grade 2 listed buildings.
  • Security guarantee on products fitted with MACO locks
  • Range of cill, frame thickness, finish and ironmongery options
  • Choice of timber sashes and wood species
  • Endurance and salt spray tested
  • Full dry gasket glazing system

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Bespoke timber conservatory
White uPVC tilt and turn
Internal of timber casement

A winning combination to pass on to the consumer

Our timber stormproof windows have a range of innovative design features, resulting in a combination of traditional aesthetics and high performance modern technology. Perfect for homes that are more exposed with moisture resistant finishes, you can be assured that these windows will fully protect homes from inclement weather.

Stormproof casement windows give homeowners total peace of mind by offering an authentic appearance that is resistant to the elements. These timber windows boast a stunning traditional wooden appearance and will stay looking their best for many years to come.

To recreate the appearance of traditional timber windows, we can fit astragal bars and leaded glass. We can match the leaded design to an existing pattern or provide a range of classic options such as the diamond style.

Fine-tuned details for enhanced performance

  • Espagnolette locking systems featuring mushroom bolts and shootbolts
  • Locking systems achieve more than 7.4Kn (double requirements of BS7950)
  • Locking mechanism tested to 40,000 operations & salt spray tested for 500 hours
  • Achieves an “A” window energy rating with the use of the Accoya timber species
  • Approved by the police initiative Secured by Design
  • High performance hinges including heavy duty option for heavier side hung sashes
  • Full dry gasket glazing system eliminates standing water reducing warping and rot
  • Open out casement style, suited to all properties
  • Choose from traditional or contemporary Fab & Fix hardware, Croft hardware or ‘From the Anvil’ ironmongery

Timber Species

Entice end users with options for timber species

Whichever species of timber you and your clients prefer for your timber casement supply, we use only the most innovative materials – and those that offer style and function.

casement timber windows

Accoya

Accoya is a high performance, modified timber made from sustainably sourced softwood. Its durability is labelled as ‘Class 1’, the highest level of durability for timber. This species is suitable for both windows and doors.
Read more about Accoya

stormproof casement windows

Sapele

Suitable for both windows and doors, Sapele is a common hardwood sourced from West Africa and the Cameroon, Sapele achieves a ‘Class 3’ durability classification, making it ‘moderately durable’.

stormproof timber casement windows

European Oak

European Oak features an attractive grain and we source this through an FSC (Forest Stewardship Council) This species has a ‘Class 2’ durability classification and is suitable for both windows and doors.

stormproof casement windows

European Redwood

Sourced as engineered laminated stock to improve durability, this species is a cost-effective option for stylish new timber windows.

Sash Styles

Meet conservation requirements with four sash options

Not only do we offer one of the broadest timber product ranges in the industry, we also provide aesthetic choices in terms of sash design. With four unique and innovative sash options, clients are able to meet specifications and choose a design that also meets their personal needs.

They all are based around the traditional timber design of ‘putty-line’ external and ‘ovolo’ internal mouldings. This ensures that you can pass on flexibility with our timber casement supply.

stormproof windows

Mayfield: 24mm IGU

Mayfield’s modern design is available with or without astragal bars, and in conjunction with the astragal bar option an interbar creates the appearance of single glazing.

wooden casement windows

Amberley: 20mm IGU

The moulding on Amberley is based on traditional timber putty-line external and internal moulding details. This style is available with or without astragal bars.

wooden stormproof casement windows

Petworth: 16mm IGU

As energy efficient as a 24mm unit, Petworth is a double glazed sash which gives the appearance of single glazing.

wood casement windows

Ebernoe: 4-10mm Single Glazed

Ebernoe is ideal for conservation areas where maintaining original aesthetics is extremely important as it uses traditional putty glazing techniques.

Colour

Coloured stormproof casement windows Chartwell green timber stormproof windowsPreserve and protect with colour

Our timber products are available in a range of translucent and opaque finishes. We offer most colour options but we have our own standard colour range. Colours may appear slightly different on the various species of wood so we would recommend requesting a sample.

Translucent finishes preserve the natural beauty of your timber windows while opaque resembles the traditional colouring of the past.

With opaque finishes, all RAL colours are available, giving an almost unlimited choice when it comes to personalising or matching to existing windows.

Our paint system also protects the wood from harmful ultra-violet rays and from water ingress thanks to its microporous structure, which allows excess moisture to escape. Our paint is also flexible meaning it can expand and contract naturally with the timber.

Glazing

Thermal performance diagramEfficient and Effective Glazing

With a range of efficient glazing options, an existing pattern can be matched. They can also be an attractive way to maintain privacy. With varying degrees of obscurity, natural light can still enter the room.

Hardware

Traditional hardware

Our wide choice of hardware from the Anvil traditional ironmongery and Fab & Fix range allows you and the end user to achieve a completely custom look. From PAS24 espagnolettes to shootbolts, all our locks offer security as well as style.

Design by Durability

timber stormproof casement window manufacture wooden timber casement windowsProfessional design and finishing process

To ensure you’re getting the best products, our timber range of windows and doors are designed with sustainability and durability in mind. We have full control from start to finish to create beautiful timber products every time. Our timber has exceptional performance due to a minimum 7” slope which ensures water runs off easily. Any moisture easily drains out due to the ventilation and drainage beads present in all bottom glazing rebates.

We only source timber with a low moisture content which prevents movement and micro porous paint ensures a high-quality finish while still letting the timber breathe; ensuring the longevity of our timber products. All the critical joints have a v-joint sealant which ensures further protection from moisture.

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Download Centre

If you want to know more about our products, processes and accreditations, fortunately we offer a range of downloads. Download a range of literature free of charge, to refer to in your own time.

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Suppliers

Installers and other businesses can only work effectively if they have a reliable trade supply service – offering the highest performing products. Luckily, here at Dempsey Dyer we only supply the latest options from market leaders. This guarantees quality, performance and durability – regardless of the product choice.

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