Exterior, Flat RoofLine, Metal Siding Material, and House Building Type When the Casali family gave Michael Krus and Prishram Jain of TACT Architecture free rein to work with unconventional materials, the architects responded by creating a geometric 4,300-square-foot smart home encased in aluminum panels by Agway Metals.  Photo 1 of 10 in On a Peaceful Wooded Lot, a Futuristic Toronto Home is Buzzing with Smart Tech