Toronto
Humid summers and snowy winters: SKYLINE ceiling blind in summer, double-glazed THERMA sides in winter.
Canadian summers are short and precious, so people look for more than shade: a four-season sunroom that starts spring early and stretches autumn. A glass roof and double-glazed sides turn the deck into a room you use for most of the year.

Across most of the country winters are long, snowy and freezing, so roofs must be sized for snow load. The West Coast (British Columbia) is mild but very wet. The Prairies bring dry cold, hail and strong winds. Ontario and Québec have warm, humid summers.
Humid summers and snowy winters: SKYLINE ceiling blind in summer, double-glazed THERMA sides in winter.
Rain lasts all year; under a fixed glass roof the patio is usable every day.
Heavy snowfall: snow-load sizing and a sloped glass roof are essential.
Sudden weather swings and hail: closable sides and strong profile sections matter.
In Canada, sunrooms and enclosed porches usually need a municipal building permit and must suit local snow loads. For insulation we recommend THERMA 4+12+4 double-glazed sliding with the LUMEN glass roof.
Glass type, profiles and intermediate posts are chosen for the local snow load.
Yes, with double-glazed sides and roof-mounted infrared heaters.
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