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You’re only going to do this once, so make sure it’s installed by a Team Guardian member!

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Guardian

RJM Windows

GR28824

About

RJM are a family run business who have been trading in Cornwall for over 30 years. We have the knowledge and expertise to help guide you through all of your home improvement needs. We manufacture all upvc products from windows to beautiful bespoke conservatories and orangeries. We also manufacture all our sealed units in-house. All products previously mentioned are also available in either aluminium and wood. Finally, we are proud to offer the innovative Guardian Roof System for which we are Official Team Guardian Installers. By replacing your old conservatory roof with A Guardian Roof you can in a matter of days have the perfect living space you deserve!

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Our Services

Conservatory Replacement Roofs

The perfect all year round conservatory roof. A guardian roof can be installed on a new conservatory or be a replacement to an existing conservatory roof. A Guardian Warm Roof will quite literally transform your conservatory into the kind of room you always wanted, a relaxing, integral part of your home. By removing your old roof and replacing it with our thermally efficient solid, tiled roof you’ll have the perfect solution.
A Guardian Warm Roof is specially designed to keep your conservatory from overheating in the summer and retain heat in the winter.

Sun Rooms/Extension

Expertly constructed with insulated roof and walls, double-glazed windows and strong, steel-reinforced structures, a Guardian Sun Room/Extension is the affordable alternative to a traditional brick-built structure.

Available in a variety of styles and finishes and individually tailored, a Guardian Extension truly complements your living space, creating an elegant and understated room for all seasons.

Our modern and contemporary home extensions provide the ideal home improvement product that quickly expands your living space.

Windows and doors

We specialise in double glazing windows ( we also do triple glazing). Our upvc windows are A-rated for energy efficiency as standard.

With 100s of windows style, it is easy to find your perfect match which will transform your home’s appearance. With 100s of door designs, it is easy to find your perfect match which will transform your home’s appearance, deter burglars; as new doors are packed with security features and increase your green credentials enabling you to lower your energy bill.

Completed installations

Here are just a few of the completed
Guardian Warm Roof installations.

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Completed installations

Here are just a few of the completed
Guardian Warm Roof installations.

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Testimonials