Grenville Mutual Insurance

The Grenville Mutual Insurance headquarters was constructed using insulated Thermomass tilt-up panels and was framed with a sloping structural steel roof. The architect's vision was to create soft, natural elevations that featured an embossed "forest" pattern, accented with natural hand-set stone. The interior open air courtyard carries the forest pattern inward, and allows the user a view of the unique form liner pattern from within the space.

The form liner was produced by Dayton Superior from a simple still image provided by the architect. Two interlocking patterns were generated to provide height and character to the form liner pattern. To add depth and shading, the panels were eventually painted with three soft tones.

Panel forming was challenged by thermal movement of the form liner, due to the changing Canadian spring temperatures and the welding of the plastic form liner sheets. Glues, heat guns, soldering irons, and various silicons were used to fuse the sheets together. Each had benefits and setbacks. In the end, a simple barbecue charcoal electric burner was the ideal tool to melt the sheets together.

 
Main banner image for Grenville Mutual Insurance

Project Location

Kemptville, ON K0G 1J0
Canada

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Project Team

General Contractor:
SiteCast Construction Corp
Concrete Contractor:
SiteCast Construction Corp
Architect:
 
Engineer:
Dayton Superior Corporation
Meadow Burke
LJB Inc.
Suppliers:
Dayton Superior Corporation
Meadow Burke
Photographer(s):

Project Specifics

Project Category:
Office
Building Types:
Finishes:
Features:
Insulation:
Environmental:
Number of Floors:
0
Tilt-Up Wall Area:
9,479 sq ft (881 sq m)
Total Floor Area:
18,000 sq ft (1,672 sq m)
Project Footprint:
22,000 sq ft (2,044 sq m)
Tallest Panel:
33 ft 3 in (10.15 m)
Widest Panel:
28 ft 11 in (8.83 m)
Largest Panel:
584 sq ft (54.3 sq m)
Heaviest Panel:
54,000 lbs (24,494 kg)