Shades of Grey: Restoring Stonework at Toronto’s One King West

SOURCE: Daily Commercial News
BY: Peter Kenter
DATE: March
See the original article at Daily Commercial News (expired link)

Shades of Grey: Restoring Stonework at Toronto’s One King West

One Kings West_02
Photo: Limen Group Const. Ltd.

Limen Group Const. Ltd. is leading the year-long restoration of the facade, on the busy site along Yonge Street. The site incorporates the original 12-storey Dominion Bank Building constructed in 1914 and the 51-storey condominium and hotel tower added in 2006.

One King West’s grey terra cotta features a speckled appearance created by the addition of a specific grade and colour of sand. Colour- and texture-matched material is being supplied by Boston Valley Terra Cotta located near Buffalo, N.Y.

“The bottom four floors are granite, but it’s terra cotta from there up to the 12th floor,” says Arran Brannigan, vice president of operations with Limen Group. “Granite was likely used on the base because it’s harder, more durable and less porous, so it could stand up to the activity at that level. Terra cotta is more fragile and porous and a lot less forgiving to environmental damage.”

Because the material is porous, much of the damage is the result of water infiltration, including the effect of freeze-thaw cycles…Continue Reading full article on Daily Commercial News website. (expired link)