Trident Triple Glazed Window

– Triple Glazed Window System For Your Home

– The First Fully Sculptured Step Over Sash

Buyers Guide



First fully sculptured step over sash, specifically designed to take the industry maximum 44mm Triple Glazed sealed unit whilst maintaining aesthetics with a full ovolo shaped bead.


Innovative step over sash provides a flush internal appearance fitted into standard 70mm window frame.

Weather Resistance

Twin rebate gaskets ensure that Trident conforms to British Standard weather resistance requirements.


The combination of multi-chambered, thermally efficient window frame and 44mm Triple Glazed sealed unit can achieve a maximum energy rating A++ which is considered the current gold standard.


For your peace of mind Trident has been tested and meets the stringent requirements of PAS23 for weather performance as well as PAS24 security testing.


10 Point Lock – 2 x 8mm full length solid shoot-bolts, 2 x stainless steel hinge locks, 4 x Interlocking anti-jemmy claws, Twin-cam lock providing 2 centre locking points.

Key Locking Handles – Handles lock automatically on closing, and are opened by depressing the button. Key operated to deadlock. Available in white, gold, chrome and black

Anti-jemmy Claws – Anodised aluminium claws that are fitted to the opening sash of the window, interlock with corresponding claws fitted to the outer frame providing an anti-jemmy defence against the sash being prised open.

Bidirectional Centre Lock – To enhance security further and increase compression, all opening windows include a bidirectional twin-cam centre lock

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Invest in any products from Wombourne Windows, and you are investing in peace of mind for years to come.

That’s because we have been successfully designing, manufacturing and installing windows, doors, conservatories and roofline products for tens of thousands of customers for more than 30 years.

We are fully compliant with relevant industry bodies including the Fenestration Self-Assessment Scheme, better known as FENSA.