Basement epoxy flooring: what to check about moisture first

Describe when and where you have seen water

Make a simple note of any water you have noticed: where it appeared, whether it followed rain or snowmelt, and whether plumbing work was involved. Photograph affected areas when they are visible. Include repairs already carried out and explain whether the issue has returned. You do not need to diagnose the cause yourself to provide a useful history.

Show the perimeter, floor drains, utility area and any previously covered sections. A wide photograph explains the room layout; a close photograph records a particular mark. Keep both, and label them so an estimator can match the detail to its location.

Ask what the slab assessment includes

A dry-looking surface is not a moisture test. Manufacturer preparation guidance treats moisture assessment and substrate condition as part of choosing a resin-flooring approach. Ask which assessment is appropriate for the proposed system, what its results mean and whether anything must be addressed before coating.

Do not treat a decorative floor coating as a solution to an unresolved leak. Ask the contractor to distinguish the floor-finishing scope from any drainage, plumbing or building-envelope work that needs another assessment. Keep those decisions clear before ordering materials or arranging storage.

Plan for the room you actually use

A laundry area, home workshop and storage room need different conversations. Describe appliances, shelving, floor drains and anything fixed to the slab. Identify the walking route to utilities and tell the contractor if that access must remain available during the project.

Discuss the finish sample under your basement lighting. Consider appearance alongside cleaning, footwear and any wet tasks in the room. Ask where the coating will stop at stairs, doorways and equipment bases, and include those boundaries in the written scope.

Resolve these details before booking

Ask for a sequence covering assessment, preparation, application and return to use. Moving heavy shelving back is a separate question from walking across the floor. If appliances must be disconnected, agree who will arrange that work before choosing an installation date.

For a basement estimate in Mississauga, Oakville, Toronto, Burlington or Milton, send SMA your city, approximate area and photos of the whole room. Add the moisture history and access restrictions so the next conversation can focus on your property.

• Known leaks, damp patches and previous repairs.
• Existing floor coverings or coatings and areas hidden beneath storage.
• Appliances, drains and utility access that affect the work.
• Assessment findings and any work required before coating.