Concrete Topping
We Have poured Thousands Of square feet of flooring underlayment All Across Ontario.
We help architects, engineers and general contractors across the country navigate the complex world of acoustical sound control systems. Our teammates offer more than 30 years of experience in installing underlayments and sound control products. That means you achieve a level playing field for your floor assemblies and the best result for sound control.
Mack Contracting installs a single source warranty system for the multi-family and high-density building projects.
- All sound mats and Gypsum floors are manufactured by one company per spec.
- No generic sound mats.
- All of our systems are UL-approved.
Gypsum Underlayments
We offer a full line of gypsum-based underlayments in strengths ranging from 1,500 psi to more than 5,500 psi.

Sound Control
We offer high-performance sound control mats to mitigate airborne and impact sounds in nearly every floor assembly.

Self-Leveling Underlayments
We install Portland-based and Gypsum-based self-leveling and products in strengths ranging from 3,000 psi to 7,200 psi.

Radiant Heat Topping
We work in partnership with residential homebuilders, mechanical contractors, plumbers and general contractors to pour radiant floor underlayment for radiant heating systems.

Moisture Mitigation
We’re able to install quick drying moisture barriers to concrete substrates providing superior protection and bond.

Lightweight Concrete
Our team offers waterproofing and lightweight concrete for balconies and breezeways in some locations.

Grouting
We install flowable, pumpable grout in equipment bases, precast and footing connections, and tilt up and footing connections.

Floor Leveling
Our team pours gypsum-based and Portland-based floor overlays on top of old, uneven or out-of-spec floors to produce a new floor look.

Pumping and Finishing
We help finished floor contractors maximize project schedule and productivity by pouring floor for finished floor goods. Our team provides product pumping and finishing services for most pumpable self-leveling products.
