Super Seal - a Fenland company with a reputation for quality products

SUPER Seal has been manufacturing and installing windows, doors and conservatories for more than 26 years and has established a reputation for quality products, sold and installed by honest and professional people.

We pride ourselves on delivering the best for our customers.

Unlike most of our competitors, we manufacture all our windows, doors and conservatories, choosing this over the purchase of budget frames from a trade fabricator. This way we can control the quality of our product and be sure there have been no short cuts in its manufacture.

In fact we are the only company locally which can offer a conservatory with a fully matched and interlocking roof/window configuration. The roof is fixed using integral ringbeam locks in preference to a screw or bolt fixing.

Indeed, added to this exclusive combination, all our conservatory windows are manufactured using reinforced wider outer frames for added strength and security.


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We have chosen Synseal Shield profile for the manufacture of our frames as we believe that this enshrines our belief that quality should be at the heart of everything we do.

Many people are told that a window is just a window and only the cheapest price matters. This however is a misnomer and buying the cheapest can often turn out more expensive in the long run.

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We believe that as a customer you deserve the very best quality available locally, fitted to the highest standards with exceptional after sales support. We also believe that by choosing Super Seal you will not only benefit from this but from our extensive product knowledge, used to good effect, to help you choose the most efficient solution.

By visiting our showroom you will see for yourself the difference between our products and those of our competitors.

Our mechanically jointed frames replicate traditional mortise and tenon joints and look much better on the eye than the fully welded ‘V’ joints available elsewhere.

You will be able to inspect the full range of windows, doors, conservatories, roofline and garage doors we have on permanent display and feel the quality at first hand before you buy.

Super Seal is a FENSA registered company and all our frames and installations comply with Document L.

We offer a 10-year insurance backed guarantee in addition to our own promise to provide warrantee support for our products, so not only do you get an exceptional product, you have complete peace of mind should the untoward happen.

More than 4500 customers can’t be wrong!

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