15.8.11

Project Update: Eramosa Limestone

Our modern bungalow north of city is moving along beautifully. This week our masons at Ontario Fox Corporation began laying the stone. This may sound simple; however, it was no small feat to arrive at this milestone.

The stone and coursing work on this project is a custom designed and custom fabricated stone coursing pattern. It required months of consultation and coordination between Capoferro, the stone supplier, the stone mason and the client. And it was worth every minute!

The stone is a gorgeous Eramosa natural limestone, hand selected by Capoferro and the client at Ledgerock’s stone quarry in Owen Sound. We opted to source the stone locally as the intricacy of the design required a close collaboration.  It also had the added benefit of reducing the carbon footprint of the project because it reduced energy consumed during the transportation of material.  This is significant when considering the quantity of material required to clad the house.  

The process began one year ago when we developed the design for the stone coursing pattern. The stone pattern has an amazing amount of detail from various stone sizes, finishes, coursing patterns, lengths, cuts and motor joints. This amount of detail required us to develop a stone coursing map. The map identifies each piece, numbers it and places it in the pattern so that the mason knows exactly where to place it. It’s like a giant jig saw puzzle.


Highlights
  • 27 stone types (variations of stone size and finish). Each facing stone comes at random lengths to create a complex, varied pattern. 
  • The coursing pattern is unique up to 56 courses high and repeats after that point. There are a total of 81 courses in the home. 
  • The pieces are very long and linear to accentuate the horizontal form of the home and the expansive landscape.
  • The stone is cut on two grains, fleury and vein, to produce different patterns.
  • Two stone finishes, honed and sandblast for variation on stone texture.
  • Reveal courses are set back and use contrasting stone type to highlight the course.
  • Two types of mortar joints to create a clean, crisp look and make the horizontal courses appear continuous and uninterrupted.



We also took great care to ensure that the stone coursing pattern is consistent throughout the interior of the home and landscape features. The pattern is present on some of the interior details as well as the exterior elements such as the planters and driveway.




Be sure to check back soon for our time-lapsed video of the stone installation!

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