Hot rubber crack sealing in Edmonton, routed then filled
A crack is a moving joint. It opens in the cold and closes in the heat, every year, which is why the material put into it has to stretch rather than simply fill the gap and set hard.
Asphalt expands through summer and contracts through winter, and a crack is where that movement concentrates. A gap that measures five millimetres in August can be noticeably wider in January, every single year.
A rigid filler cannot follow that. It bonds, then splits at the first hard frost, and water is back in the base through a channel that now looks sealed from above. Rubberised sealant is engineered to elongate instead of fracturing.
Routing is the other half. Cutting the crack to a consistent channel gives the sealant depth to sit in and a clean face to grip, rather than a thin smear across the top. The lighter version suits narrow residential cracks, and any coat goes on afterwards rather than before. Where cracks have joined up, sealing is no longer the answer.
Routed reservoir
How it runs
How Edmonton hot rubber crack sealing is done
Decide which cracks get routed
Wide and active cracks get a channel cut. Narrow stable ones are sealed without, and some are left because the surface around them is past the point of being worth it.
Rout to a consistent channel
The crack is cut to an even width and depth so the sealant has a reservoir and two clean vertical faces to bond to rather than a dusty hairline.
Blow out and dry
Compressed air clears dust, grit and vegetation. Sealant that bonds to debris or to damp lifts out of the channel within a year.
Fill hot and squeegee flush
Melted sealant is run in and levelled flush with the surface, setting hard enough for traffic within about an hour of application.
When to book it
The season for Edmonton hot rubber sealing
Late summer into early autumn is the window. The surface is dry, cracks are at their narrowest after a season of heat, and the work is finished before the first freeze gets the chance to use anything still open.
Counter-intuitively, narrow is better for application. A crack at its widest in deep winter would take more material and then be compressed as the asphalt expands again, which pushes the sealant proud of the surface.
Deep winter is the one to avoid, because the channel cannot be dried properly and the bond fails. What a winter does to an open crack is the reason the autumn window matters, and on a lot this normally runs immediately before the coat as part of the same cycle.
Late summerBest window
Deep winterAvoid
The coatRuns before
Related work
Crack work and what sits around it in Edmonton
Sealing is the step that makes everything after it worth paying for.
It is melted and applied hot, and it stays elastic once set. A cold-poured rigid filler bonds and then splits at the first hard frost, leaving a channel that looks sealed from above but is not.
Routing gives the sealant depth to sit in and two clean faces to grip. Material smeared across an unrouted hairline has almost no contact area and peels out within a year.
No. Narrow stable ones are sealed without cutting, because routing would remove more sound asphalt than the crack justifies. The decision is made crack by crack on site.
Usually within about an hour, which is one of the practical advantages on a lot. The sealant sets as it cools rather than needing days of curing time.
Yes, as dark bands following the line of each crack. A sealcoat over the whole surface afterwards reduces the contrast considerably, though the sealed lines do not disappear completely and are not meant to.
Not properly. The channel has to be dry for the sealant to bond, and winter work either fails to stick or is a temporary measure that needs doing again in spring.
