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GRP Enclosures & GRP Housings


The Purewater range of GRP enclosures are suitable for the protection of a number of items of industrial equipment, including our own water storage tanks, pump sets, valves in fact there is a housing to suit virtually any industrial product.

Used by Gas, Water and Electricity providers & local authorities along with the Mechanical services industry and many others.

General Construction

The Purewater range of GRP housings are manufactured from the highest quality GRP materials to withstand the rigours of the harshest weather conditions.
All enclosures have a tough weather resistant polyester gel coat outer, reinforced with a
GRP laminate incorporating an encapsulated polyurethane foam core to provide insulation. External colour options are RAL6005 Green or BS 00A05 Industrial Grey. Other colours are available on request.
Insulation is 25mm thick as standard. This can be increased to a maximum of 100mm for extreme temperature applications.
Internal finish is a durable polyester gel coat finish in white.
Configurations start as small as 800 x 200 x 800mm high, up to infinite size.
Available as one-piece units for smaller applications or in sections in 500mm increments in length and width up to a height of 3 metres.
Door furniture includes stainless steel hinges and fixings, Yale type nightlatch lock assemblies, External door handles, internal door check straps and stays.

Product range

Smaller GRP enclosures are available as a single piece unit which are normally delivered to site palletised and only require fixing down to a structural slab or raised kerbing.
Larger enclosures are constructed in a metric modular format and can be assembled at our works for delivery as a single unit or where access restrictions apply, be supplied in sections to allow assembly on site.
On site assembly is carried out by our own, directly employed engineers. Purewater do not use sub-contract labour for enclosure assembly.


Encapsulated ply backing boards for electrical components and switchgear.
Tubular heaters and thermostats for frost protection.
Bulkhead lighting c/w switch.
Screened spill over screens to the housing walls ( to comply with water regulations, back flow prevention).
Factory prepared pad areas to allow for pipework to pass through housing walls.
Single or double door assemblies.
Access manways to housing roof for applications where space restrictions apply.


Please contact us and let us know the size of the GRP housing or enclosure required along with any site specific details, such as access restrictions which may apply and we will be happy to provide a detailed quotation

For more information please download our information documents below:

Our Modular Range

Enclosures Foundation Requirements