The harsh weather conditions found in Canada can destroy roof systems with ease if not installed properly. Sprayed on polyurethane foam creates a closed cell monolithic roof surface that creeps into any cracks and crevices, ensuring that your roof is fully covered from the weather.
The foam is first sprayed onto the substrates where it finds all the cracks and crevices, then expands to approximately 30 times its liquid form and dries within seconds. This new layer is strong enough to withstand the harsh winters and hot summers of Canada and will not allow any liquid to penetrate its surface. This roofing system can have a history of more than 35 years as a maintainable roofing medium.
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Polyurethane Roofing by Magnus Insulation and Fireproofing.