GJ MacRae Foundation Repair

The Original Wetbasements Experts – Since 1975

Outside Basement Waterproofing with Window Well and Sump Install (Mississauga)

Remove all debris and obstructions in way of repair areas. Lay down tarps and dig down to footing by hand in specified repair areas.

Repair all cracks and masonry voids in foundation wall below grade. Prime wall and apply hydroshield rubberized membrane to repair area. Add a layer of mastic mesh, another layer of hydroshield rubberized membrane, a layer of 12m plastic and fasten drainage board to grade with termination straps and concrete anchors.

Replace weeping tile system within repair areas and cover with 6″ of 3/4″ clear gravel. Install fresh vertical drains in window wells and fasten new window wells to foundation walls. Backfill and power tamp dirt. Cover new drains in window wells with 3/4″ clear gravel and level.

On the interior, break open existing concrete floor and excavate sump basin at a dimension of approximately 2.5ft x 2.5ft x 3ft. Line perimeter of basin with filter cloth and drill 1/2” holes around complete perimeter of basin. Install basin and surround with 3/4“ clear gravel. Install a 1/3hp oil cooled sump pump and connect pump exhaust line.

Reinstall concrete floor. Backfill exterior. Remove and dump all debris.

Expert Waterproofing Services for Your Home

GJ MacRae Foundation Repair has been the industry leader for reliable basement waterproofing in the Greater Toronto Area Since 1975. Nearly five decades of experience inform our proven multi-stage repair process based on below-grade drainage considerations that allow us to waterproof concrete blocks, poured walls, and stone rubble foundation walls properly for the long term. Our repair solutions for leaking foundation cracks include using bitumen-based barrier membranes and high-efficiency weeping tile systems, which give us the edge in reliability and allow for the most robust foundation repair warranty available today in the GTA. Experience the GJ MacRae difference for year-round basement leak repairs in Toronto, Oakville, Mississauga, Burlington, Hamilton, Milton, and Georgetown. If you spot cracked foundation walls, leaky foundations, or any other basement waterproofing issues in your house, reach out and call us today at (905) 824-2557.

Quality Foundation Repair Done Right.