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Frequently Asked Questions

Klosen / Frequently Asked Questions
What are your current lead times

Currently our lead times are 5-6 weeks for most products supplied and installed. Some of our range is higher.

What colours are available

The full RAL colour range is available on all products, with metallics and textured finishes also available. Samples of all are available on request.

Are your doors top or bottom hung

All our sliding and folding doors are bottom running meaning there is no weight in the head of the doors. This makes sure that there is no deflection to anything above the doors.

When does a survey need to take place

Before we carry out a survey we would ideally need your openings to have steel/RSJ in place and your finished floor level needs to be clearly marked. This will allow us to comprehensively carry out your site survey as we will know exactly what to measure to. It is possible to carry out a survey without the opening being ready however the manufacturing sizes will need to be agreed and signed off before manufacture takes place.

Still Need Help?

If you can't find the answer to your question, feel free to get in touch with us!

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Our Customer Reviews

Great Price & Quick Delivery

This company have been amazing and came to our rescue when another company let us down repeatedly over a period of 4 months during our building work. We got a great price, a quick delivery time and the same product but this time with lovely fitters who knew exactly what they were doing. Now we will will have a warm house for christmas HOORAY !! We went for 3 large sliding doors and the quality of the product is excellent . Many thanks to Audrey Cieran and the team I would recommend highly
- Esther Young


Delighted with the product and the service provided by Klosen. The installation team were excellent and very helpful.
- Sara Hyem

Very Happy

We’ve been very happy with the work Klosen recently completed for us. They installed a variety of windows and sliding doors for us on our new build project. All of the information we requested early on was provided promptly and they were great with our architect. Very happy with the end result and the colour they helped us chose.
- Sarah Munton