What are the lead times for Glassworx products?

Lead times vary by brand. Internorm is typically 8–10 weeks, Dako is usually 6–8 weeks, and QFort (Cortizo) is generally 10–12 weeks. Lead times can change depending on factory workload, so for an accurate timescale it’s best to make an enquiry via our contact form.

Is triple glazing more expensive than double glazing?

Triple glazing is usually more expensive than double glazing, but many of our systems are designed for triple glazing, which helps keep the price difference relatively small. From time to time there are promotions such as triple glazing for the price of double. For current options, please contact Glassworx.

Can your windows and doors be used in a Passivhaus?

Yes. Glassworx offers several systems that are suitable for Passivhaus-standard projects. If you need detailed performance data and technical datasheets, the team can provide these on request – just get in touch via the contact page or email info@glassworxltd.co.uk.

Where is the Glassworx showroom located?

Our showroom is at The Cow Shed, Unit 4, Block 4, Manor Farm Business Park, Stirling, FK9 5QD. Visits are by appointment only, so please contact us in advance to arrange a time.

How much do Glassworx windows and doors cost?

All Glassworx products are bespoke, so pricing depends on sizes, specifications, glazing options and installation requirements. For an accurate quote, please complete our online enquiry form and the team will prepare a tailored estimate.

Do Glassworx work across the whole of the UK?

Yes, Glassworx supplies and installs across the UK. Delivery and installation costs may vary depending on the project location relative to our depot in Grangemouth, Scotland.

What are Glassworx payment terms?

For full installation (Gold Service), the usual payment terms are 50% deposit on order confirmation, 45% on confirmation of the installation date, and 5% seven days after installation. For supply only (Bronze) or installation support (Silver), the usual terms are 50% deposit on order and 50% on confirmation of the installation date. Full details are available in the Glassworx Terms and Conditions.

Internorm Lift & Slide Doors Scotland | Seamless Indoor-Outdoor Living

Internorm’s Lift and Slide Doors

Energy efficient triple glazing

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Internorm’s Lift and Slide Doors

Modern living is all about open spaces, natural light, and seamless indoor-outdoor connections—and nothing achieves this better than Internorm’s premium sliding doors. Designed with exceptional energy efficiency, minimal framing, and maximum glass surface, our sliding doors create a light-filled, panoramic living experience while providing the highest levels of security, insulation, and performance.

Discover the beauty of open living with Internorm’s industry-leading sliding door solutions.

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Why Choose Internorm Lift and Slide Doors

In addition to their sleek aesthetic, Internorm Lift and Slide doors provide outstanding thermal insulation, superior sound reduction, and enhanced security, making them a smart investment for energy efficiency and peace of mind. With customizable options to suit any design preference, these doors are the ideal solution for those looking to enhance both the beauty and practicality of their living spaces.

Internorm’s Lift and Slide Doors

Energy efficient triple glazing

Internorm’s Lift and Slide Doors

Why Choose Internorm Lift and Slide Doors

HS330

KS430