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Suppliers of High Performance Coated Glass.
We pride ourselves on our friendly service and workmanship, market leaders in the supply of high performance glass.
Our large production unit means we hold stock of most types of glazing products, coupled with our vast experience (est. 1988) of time served knowledge means we can offer sound advice and help if required
Manufacturers of Double glazed Sealed units using Low-emissivity glass - first and second generation soft coating.
PLANITHERM Total
SGG PLANITHERM Total is a glass for double glazing which is very effective in keeping the warmth from heating inside buildings, while allowing maximum external light and solar heat to enter.

Hourglass Seal Ltd, one of the first Double Glazed Unit manafacturers in the UK to achieve the european standard EN 1279 and acredited by BSI Michael Mattson.
SGG COOL-LITE
“BRAND NEW PRODUCT TO THE MARKETPLACE”
HOURGLASS SOLAR CONTROL GLASS
Advanced solar control glass
Definition
SGG COOL-LITE is a solar control glass offering numerous aesthetical choices for the conception of facades. ST COOL-LITE is available NOW and when combined with a HIGH performance low e glass, such as Planitherm, you have one of the most advanced solutions in the glass market for all types of applications including conservatory roofs.
Product Description
SGG COOL-LITE is a solar control glass, manufactured by depositing a coating of metal oxides by magnetically enhanced cathodic sputtering under vacuum conditions onto float glass, SGG COOL-LITE is available now.
Careful selection of the most appropriate type of SGG COOL-LITE for each application makes it possible to satisfy several design criterion simultaneously:
-solar control and a more economical use of air-conditioning
-aesthetic appearance (in terms of colour and reflection)
-light transmittance
The overall result depends on the orientation, environment and geographical location of the building.