A-Triple-M Contracting is the expert polyjacking company in Central Alberta. We’re sure you have questions about what we do and what it means to you. We do our best to answer some of the more common questions here, but if you still have more, please don’t hesitate to contact us and ask.
A: Polyjacking is the procedure of raising misaligned concrete by drilling strategically placed injection holes through the top surface of the concrete slab and pumping polyurethane liquid, under hydraulic pressure, into the sub-slab voids.
A: Most sunken concrete flatwork can be realigned to its original profile. This includes residential concrete driveways, sidewalks, garage floors, patios, and steps, additional services include: commercial and industrial office floors, manufacturing floors, as well as municipal gutters, drains, sidewalks, and aprons.
A: Polyurethane levelling requires much smaller and far fewer injection holes than the more traditional mud and grout jacking system. It is a permanent product that will not erode or break down.
A: Voids have many primary causes: poor drainage, soil erosion, improper soil compaction, and settlement.
A: Polyjacking performed outdoors is dependent on the ground beneath the concrete being thawed. For Central Alberta, the optimal time occurs between the spring and fall when the frost outside the ground is back in the ground. For projects located indoors in a heated environment, work can be scheduled year-round.
A: The injection holes are generally 5/8” in diameter, slightly smaller than the diameter of a Canadian dime.
A: The injection holes are patched with a mixture of cement and sand.
A: No, the polyurethane will set up in water and will not move or wash away like the sand/cement mixture.
A: Yes! If the concrete slab is over 10 years old and sink(s) more than 1/4 " within one year of performing the work, A-Triple-M Contracting Ltd. will re-adjust the settled slabs. The estimate provides complete warranty details.
A: No. Just cash or checks.
A: No deposit is necessary.
A: Yes by pumping the two-part polyurethane mixture under the cement along a crack it will seal as the mixture will expand into a 1/32 " gap. The mixture is injected beneath the floor or behind the wall. The 2-part mixture will travel approximately 8 feet. It will work in situations where water is present.
A: There are several benefits that polyurethane has over mud, such as: