Casement
Bespoke uPVC casement windows (aluminium available) built with Eurocell profiles, double or triple glazing and premium glass from Martin Dales and Glasscraft.
Explore the full specification
Our brochures are completely free to download, and are the best way to explore the full colour range, review glazing options and browse the specifications in full.
- Details and features
- Specifications
- Glazing and security
- Colours
- Downloads
| Specification | Detail |
|---|---|
| Profile system | Eurocell Logik (70mm) or Modus (75mm) |
| Glazing | 28mm double / 36mm / 44mm triple |
| U-values | From 1.2 W/m²K (double) to 0.7 W/m²K (triple) |
| Energy rating | Up to A++ |
| Glass supplier | Martin Dales and Glasscraft |
| Frame styles | Bevelled (Chamfered) or Sculptured (Ovolo) |
| Compliance | PAS24, Secured by Design, BBA, BSI |
| Guarantee | 10 years |
High-security glazing and hardware as standard
All units are PAS24 and Secured by Design compliant. We fit Lockmaster 2 or MACO Multi-Matic multi-point locking systems with anti-jemmy technology and shoot-bolts. Glass is supplied by Martin Dales in Blackburn and Glasscraft in Leeds, with Planitherm One or Total+ Low-E as standard.
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Over 30 foil finishes
Choose from more than 30 Eurocell foil finishes, from classic white to Anthracite Grey, Slate Grey and Agate Grey. Grey-base substrates are available so dark foils remain seamless when the sash turns inwards.
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Download the trade brochure
Download our tilt and turn brochure for full U-value tables, hardware schedules, security accreditations and high-resolution imagery. Everything you need to quote and specify, free and with no obligation.
Contact UsA popular choice for high-rises and family homes
We’ve supplied tilt and turn windows to plenty of hotels and high-rise developments where safe ventilation and inward cleaning are essential on upper floors. The tilt function gives fresh air without compromising security.
The same features that suit commercial schemes also work well in family homes. Tilt-before-turn handles and integrated restrictors lower the risk of children opening the sash fully, making them a sensible choice for residential trade projects too.
A trade supplier you can rely on
Working with us means working with a family-run business. Between Peter and Richard, we have approaching 80 years of combined industry experience. That depth shapes how we run things, from technical advice on the phone through to scheduling.
Expect quotes back within 24 hours and delivery typically inside two weeks. We’re based in Morley and work throughout Leeds, West Yorkshire and beyond, including Selby. We take orders nationwide.
Tilt and turn window FAQs
Common questions from window companies and builders specifying our tilt and turn range. If you need anything more detailed, give the trade office a call.
Contact UsOur Eurocell Modus tilt and turn windows can reach U-values as low as 0.7 W/m²K with triple glazing. Double-glazed units typically achieve 1.2 W/m²K, comfortably exceeding current Part L Building Regulations.
Yes. The turn function lets the sash swing inwards 180 degrees so both sides of the glass can be cleaned from inside. That makes them an excellent choice for flats, hotels and high-rise developments.
The beauty of working with us is that our glazing is completely bespoke. Whatever your client’s needs, be it just one bathroom window, or a complete hotel glazing renovation, we can accommodate projects of all sizes.
These tilt and turn windows are fully customisable, allowing you to pick from finishes including Anthracite Grey, Agate Grey and classic whites. You can also choose between double/triple glazing and specify acoustic laminates, as well as toughened safety glass, accommodating any priorities.
Yes. The tight seals, a staple of our manufacturing, and double glazing (comes as standard) help keep heat in and draughts out, making them a practical option for modern homes looking to improve insulation.
A single handle controls both opening options. Tilt mode lets fresh air in safely from the top of the window without fully opening it, while the sash can also open fully inwards when required for cleaning or emergency exit access.
How we work with the trade
Our Process
Initial quote
Send us your sizes online or over the phone. We turn most trade quotes around within 24 hours, and there is no obligation to proceed.
Conversation
We talk through the priorities for you or your client, be it design, thermal performance, security, colour finish, glazing, or locking.
Manufacturing
We manufacture in-house at our Morley facility using Eurocell uPVC profiles, DoorCo composite slabs and Alunet aluminium systems. Typical lead time is two weeks.
Bespoke build, testing and supply
Every frame is made to your exact sizes and quality-checked before despatch. Supply only as standard, full installation available on request.
What fellow trade professionals say about us
Honest feedback from the installers, builders and double glazing companies we supply day in, day out.
Had both front and back stable doors fitted recently, and I have to say the men that came to fit them were really good, pleasant, efficient and did a great job! I am really pleased with my doors and the way the men conducted themselves; they are a credit to Alpine – thanks again.
Carol Marshall
I can’t thank the team at Alpine enough for all of the hard work on your build. They were great from the start, being really helpful through the quote process and in advising. The fitting team worked so hard to make sure everything was perfect, and nothing was too much trouble. We are so happy with Alpine. The results really speak for themselves, and we would not hesitate to recommend them to anyone!
Kate Oakes
We recently renovated a small cottage and needed to consider the traditional look and feel of the property, Alpine Windows and Doors were brilliant, listening to our requirements, we ended up with 6 sash windows and a new composite door all in a non standard colour, which was no problem. from placing the order to the completion of the installation nice and smooth, 5 weeks time frame, fitted perfectly with our project, would highly recommend
Tom Crowe
Excellent service from start to finish. They made the process from colours to design easy, nothing was too much trouble. Lovely polite staff and fitters. Fitters turned up on time and finished to an exceptional standard (I am a perfectionist!) left my home clean and tidy and removed all old frames and doors. Couldn’t fault them at any stage and would highly recommend them. I would give more than 5* if I could.
Sarah Wood
Peter at Alpine has done the windows and doors at both our offices and my home. The service was very professional, fast and competitive price wise. I had a combination of Aluminium bi folds and French doors with UPVC windows. I cannot fault the quality. Very happy to recommend for both domestic and commercial projects.
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