Head Office
39 Paterson Rd, RR1,
Orillia, Ontario
L3V 6H2
Phone: 1.800.736.5058
Manufacturing Plant
39 Paterson Rd
Oro Medonte, Ontario
Hwy 11 and 15th line South
705 325-0492
Company History
Founded:May 2004
Founders: Adam Boyd and George Kandimiris
Affiliated Companies
G.K. Precast Designs Inc
33 Markham Rd.
Scarborough, Ontario
M1M 2Z5
Tel 416-901-4257
Fax 416-901-4258

Key Stones / Spring Blocks / Corner Coins / Address Stones / Window Sills / Trims & Arches / Pier Caps / Copings / Signs


Precast concrete keystones are placed above doors, and windows to add an interesting touch of elegance to any house. If the precast concrete keystones are combined with a window surround they actually lock the arch together. We carry 5 different styles of keystones in stock all available in 12” and 14”. We also make custom precast concrete keystones to suit all of your needs.

12" Smooth (also available in 14")
Concrete Precast Products - Key Stones - Smooth
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12” Winged (available in 14”)
Concrete Precast Products - Key Stones - Winged
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12” Rock Face (available in 14”)
Concrete Precast Products - Key Stones - Rock Face
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12” One-Step (available in 14”)
Concrete Precast Products - Key Stones - One Step
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12” Beveled (available in 14”)
Concrete Precast Products - Key Stones - Beveled
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12” Three-Step (available in 14”)
Concrete Precast Products - Key Stones - Three Step
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