Spray foam roofing in Spruce Grove is largely retail roofing. The low-slope roofs over the shopping areas here are young, large and simple in shape, and what has happened to them since they were built is more interesting than how they were built.
Every tenant change puts more holes in the roof
A retail unit gets re-tenanted, and each new business brings its own requirements: a different kitchen exhaust, a make-up air unit, refrigeration, a different vent for a different trade. Each one is a new penetration through a roof that was continuous when it was new. Nobody removes the old ones properly either, so a twenty-year-old retail roof accumulates a history of openings, patched to varying standards by whoever was cheapest at the time.
Patches are where these roofs actually leak
It is very rarely the field of the roof. It is the flashing around something that was cut in later, sealed by a trade whose main job was installing the unit rather than roofing, and never looked at again. On a membrane roof every one of those is a separate detail to maintain. A sprayed roof passes over and around all of them as one continuous surface, which is the strongest argument for it on a building with this history.
Working over a business that is open
Retail cannot close for a re-roof, so the work is sequenced in defined sections with the interior protected and the building weathertight at the end of each day rather than at the end of the job. On a multi-tenant Spruce Grove building it also means coordinating with several businesses rather than one, each with different quiet periods, and that coordination is a real part of the programme rather than an afterthought.
Nothing gets a price until somebody has been up there
Nothing is quoted from the ground. Somebody goes up, opens the assembly, and establishes what the existing layers are, whether they are wet, whether the deck is sound and whether a recover is viable. Wet insulation left under a new surface stays wet and the new roof fails early, so core samples are not a formality. On these buildings the survey also counts the penetrations, because that count is a real part of the cost, and on a retail roof that has been re-tenanted several times it is frequently higher than anybody expects.
Spray Foam Roofing Spruce Grove: Common Questions
Why do roof leaks keep appearing around the rooftop units? Those are the later penetrations. Each is a separate detail on a membrane roof, and a sprayed roof covers them as one surface.
We have several tenants. Can this be phased? Yes, in defined sections, coordinated around each business rather than around one schedule.
Can you price it from the drawings? Not honestly. The existing layers and the penetration count decide between a recover and a tear-off.
Size the assembly with the R-value calculator, then get a free Spruce Grove quote. More on Spray Foam Roofing Alberta.