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Petra Design Materials

Petra design has supplied architectural precast concrete, cast stone, GFRC, GRG, and fiberglass products to residental and comercial projects. Petra design is located in Greater Toronto, serving Mississauga, Hamilton, and Oakville. Petra design provides shipping anywhere in Canada and USA. Our products include columns, cornices, Door Surrounds, Sills, Porticos, Balustrade and many more. Petra Design uses the latest in Glass Fiber technologies, and it's for this reason we can produce products that are extremely durable, lightweight, non-combustible, non-toxic and exhibit extreme amounts of strength. Petra Design takes pride in strictly managing each process to ensure maximum quality of our products.


A mixture of lime or gypsum, sand, and water, with fiber added, that hardens to a smooth solid and is used for coating walls and ceilings. We excel in creating custom mouldings and designs based on just your imagination or detailed architectural drawings. We hope you see the advantages to using the finest handcrafted plaster mouldings available.

Glass Fiber Reinforced Gypsum (GRG)

Glassfiber Reinforced Gypsum or GRG is intended for interior use only, Glass Fiber Reinforced Gypsum is a mixture of gypsum, Portland cement and sand. It consists mainly of ultra-fine alpha plaster and glass fiber reinforcement. The GRG can then be cast into virtually any shape, and any size. ....Read more

Precast Concrete

Petra Design manufactures a variety of standard masonry furnishings that include sills, lintles, coping and caps. Superior Concrete Products' Modular Building Systems are designed and manufactured with the same proven technology and methods that have made our products so successful throughout the years. From modular screening walls and perimeter fencing to enclosures and buildings, the owner is assured the highest quality and most cost-effective products the world over....Read more

Cast Stone

Cast Stone has been used as a decorative product for hundreds of years, first seen in Carcassonne, France. This product simulates natural cut stone and comes with a variety of finishes from Petra Design. Cast Stone is an exterior product and can be molded into virtually any shape, such as; cornice mouldings, columns, keystones, domes, balustrades, and much more....Read more

Glass Fiber Reinforced Concrete (GRC) /(GFRC)

Petra Design GRC is prefabricated with fast cast cement reinforced with chopped strand glass fibers and cast from specialty molds. Relatively lightweight at 21/2 - 4 Ibs/square.ft. This product has a 3/8'' minimum shell thickness. Shapes can be made to almost any form and are easily installed by carpentry tradespeople using traditional tools and commonly available materials. GRC requires site finishing by priming and painting with breathable paints. ....Read more

Fiberglass Reinforced Plastic (FRP)

FRP is a composite material consisting of glass fibres embedded in a resin matrix. FRP is easy to install by site trades people and installation require normal job site tools and materials. Petra Design FRP is available in a Matte, gloss or textured finish and shipped pre-colored and finished or paint ready for site finishing. Also available in a faux stone finish. Fiberglass Reinforced Plastic or FRP is a product that is pound for pound stronger than steel, that can be moulded into any shape and is impervious to rot, mold, mildew and rodents. This product is extremely durable and is lighter and easier to handle than steel. Designed for exterior use FRP can also be used in interior projects where added compression strength and durability is required. The FRP products are supplied ready for priming and painting, or with a pre-finished Gelcoat in the colour of your choice, or with a refinished faux-stone appearance (such as Limestone)....Read more