For a plot of land on Ile Bizard, Quebec with sweeping views of Lake of Two Mountains, Blouin Beauchamp Architectes let nature be their guide. Aptly named the Slate Residence, an inventory of natural materials, primarily slate and cedar, dictate the narrative of this project that keeps both timeless architecture and an accessibility-friendly layout top of mind.
Implementing strategies to reduce the environmental impact of such a single-family residence, while creating spectacular spaces that highlight the natural attributes of the site, the result is a clean-lined, airy home that welcomes the outdoors in.
The square-shaped volume of the house unfolds around a central atrium. This space punctuates the interior journey and organizes the spatial distribution of functions; living spaces, bedrooms, and the primary suite. This pivotal space is accompanied by a small interior garden facing south, allowing light to penetrate during midday.
From the initial sketches, the approach was to divide the programming into two distinct volumes: the living area and the garage housing the client’s prized car collection. The living area takes on a square shape and occupies the western part of the land, allowing for an opening towards the water. The garage volume is more linear in shape, embedded in the ground and acting as a screen with the neighboring property. The resulting ‘L’ shape layout is completed by a landscaped plaza, the forecourt, marking the entrance and integrating the car maneuvering spaces required by the program.
The house is also designed to age along with the users. Wanting to inhabit the space for as long as possible, accessibility quickly became central in the architectural considerations and circulation management. Hence, all living and intimate spaces are on the same level and will be easily adaptable to the occupants’ future needs.
On the atrium floor, a water feature on large slate slabs creates a shimmering effect under the zenithal light. The waterfront facade consists of large sliding glass panels, offering a panoramic view of the bay. The living spaces of the residence extend outside through a veranda, a series of terraces, and an infinity pool. The large roof of the building, like a wooden veil, extends outward to shade the facade from the sun and protect it from the lake’s elements.
The project’s materiality was intended to embody simplicity, authenticity, and durability. Cedar and slate are prioritized for the exterior envelope. The slate masonry, a material sourced from the Eastern Townships, also finds its echo in the landscaped treatment; slate gravel and pavers of the same stone are chosen for the drivable surfaces, further connecting the building to its site. Wood, which adorns some of the facades less exposed to the elements, also finds its way into the interior environments; most of the ceilings are composed of cedar paneling, providing warmth to the spaces.
The concern to reduce the environmental impact of this construction is reflected in an efficient envelope and high-performance mechanical systems. The dialogue established during the design process with experts in energy simulations allowed for optimizing the envelope design; sizing and orientation of fenestration, triple glazing, and thermal insulation exceeding current standards. Moreover, the forced air heating system, radiant floors, and air conditioning are coupled with a geothermal loop.
The new residence on the shores of Lake of Two Mountains is nestled in a green setting. Here, each interior and exterior element is designed with a route highlighting the natural elements of the site. The simplicity of the whole creates a comfortable, bright, and warm environment.
Photography by Raphaël Thibodeau.
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