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Cross-vault ceiling features moulded in GRG

Posted on 3rd January 2024

These images showcase a recent project for a drylining client that required us to manufacture and install six cross-vault ceiling features moulded in Glassfibre Reinforced Gypsum (GRG). The purpose of the designs being to form the approach to an arched doorway in a new London office building.

Three sizes of coved ceiling mouldings were required, and each was produced using the same method. First, we created a mould in each size specified by the client; 1780mm x 1500mm, 1850mm x 1500mm, 2250mm x 1500mm; an example of these can be seen below, clearly demonstrating the size, variations in curvature and how they gather at the summit.

image of cross vaulted ceiling mould showing the top  image of cross vaulted ceiling mould from the rear  image of cross vaulted ceiling mould from the side

From the moulds, we manufactured the cross-vault ceiling features by laying down plaster reinforced with glass fibre strands, with a metal framework backing to provide strength. Once dried, the casts are removed from the mould and transported to the clients London site for installation.

image of cross vaulted ceiling moulding cast in GRG  image of rear of cross vaulted ceiling mouldings in GRG  image of several cross vaulted ceiling mouldings in GRG

Glass reinforced gypsum is the perfect building material for coved ceiling features, GRG Ceilings, Soffits and Light Troughs as it allows an architect the freedom of design and the builder the ease of finishing and decorating to the client’s desires. GRG is an adaptable material which is light, strong and flame retardant (Class 0 fire rated). Installation of pre-formed pieces is usually fast and not labour intensive.

For more information on designing and specifying architectural mouldings please download our brochure.

To explore the opportunities of specifying GRG in your next project or for any technical advice, please contact us.

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