![A modern home with a curved roof, an L-shaped design, and a A-frame accent.](https://www.contemporist.com/wp-content/uploads/2021/04/modern-house-curved-roof-design-160421-1122-01.jpg)
Canadian architecture firm BORTOLOTTO has designed a new house in Toronto, for custom-home builder Farhad Kazmian, owner of Abond Homes.
The house replaces the original family home, and also serves as a showpiece for his business.
The eye-catching design of the L-shaped house is accentuated by a softly curved roof that extends outward from the straight edge of the A-frame and cradles the courtyard and front door in three dimensions.
![A modern home with a curved roof, an L-shaped design, and a A-frame accent.](https://www.contemporist.com/wp-content/uploads/2021/04/modern-house-curved-roof-design-160421-1122-02.jpg)
Using Grasshopper architectural modeling software, the architects created a Bézier curve, giving the roof an organic feeling that softens the overall form of the building.
The bird’s-eye view illustrates how the house hugs the front courtyard, which is hidden from view at street level by a line of mature cedar trees.
![The bird’s-eye-view shows the curved roof of this modern home.](https://www.contemporist.com/wp-content/uploads/2021/04/modern-house-curved-roof-design-160421-1122-05.jpg)
A closeup look at the roof reveals that it’s clad with hand-laid, diamond-shaped zinc shingles that both recall a shimmering reptilian while also drawing connections with neighboring slate roofs. The handcrafted twisted zinc snow guards prevent falling snow.
![A modern curved roof is clad with hand-laid, diamond-shaped zinc shingles that both recalls a shimmering reptilian while also drawing connections with neighboring slate roofs. The handcrafted twisted zinc snow guards prevent falling snow.](https://www.contemporist.com/wp-content/uploads/2021/04/modern-house-curved-roof-design-160421-1122-06.jpg)
The facade of the home features Ipe and brick, which help to establish a contemporary palette that compliments the neighboring stone, brick, and wood homes.
![The facade of this modern home with a curved roof features Ipe and brick, that establish a contemporary palette that compliments the neighboring stone, brick and wood homes.](https://www.contemporist.com/wp-content/uploads/2021/04/modern-house-curved-roof-design-160421-1122-03.jpg)
The front courtyard has a small deck and a swimming pool.
![A modern home with a curved roof has a small front courtyard with a swimming pool and sun deck.](https://www.contemporist.com/wp-content/uploads/2021/04/modern-house-curved-roof-design-160421-1122-04.jpg)
Inside, there’s the living room that has large sliding glass doors that connect to the outdoor space and pool at the front of the home.
![Large sliding glass doors connect the interior to the outdoor space and pool at the front of the home.](https://www.contemporist.com/wp-content/uploads/2021/04/living-room-sliding-glass-door-160421-1123-07.jpg)
Further into the house and the exposed rafters clad with red oak veneer continue the roof’s dynamic shape. The structure’s swirling design is matched by a curvilinear staircase.
![A modern home interior with exposed rafters clad with red oak veneer continue the roof’s dynamic shape.](https://www.contemporist.com/wp-content/uploads/2021/04/modern-house-curved-ceiling-160421-1124-09.jpg)
The open-plan dining room and kitchen include two different dining options, as well as a bar area, while porcelain tile flooring has been installed to sit flush with the rear patio pavers.
![This open plan dining room and kitchen includes two different dining options, as well as a bar area, while porcelain tile flooring has been installed to sit flush with the rear patio pavers.](https://www.contemporist.com/wp-content/uploads/2021/04/open-plan-interior-160421-1123-08.jpg)
Here’s a look at the design of the roof, showcasing the various curves, as well as a glimpse of how it was built on-site using steel ridge beams, tipping to an outrigged A-frame steel structure, and infilled with conventional timber joists that fan out to form a curve.
![The computer generated design of a curved roof for a modern home.](https://www.contemporist.com/wp-content/uploads/2021/04/modern-house-design-curved-roof-160421-1124-10.jpg)
![The building of a curved roof.](https://www.contemporist.com/wp-content/uploads/2021/04/curved-roof-architecture-framing-160421-1124-11.jpg)
![The building of a curved roof.](https://www.contemporist.com/wp-content/uploads/2021/04/curved-roof-architecture-framing-160421-1124-12.jpg)
![The building of a curved roof.](https://www.contemporist.com/wp-content/uploads/2021/04/curved-roof-architecture-framing-160421-1124-13.jpg)
![A modern roof with tiles that look like dragon scales.](https://www.contemporist.com/wp-content/uploads/2021/04/curved-roof-architecture-160421-1124-14.jpg)