What is the preferred method to remove chemical bond breaker residue?

• A. Power Washer
• B. Solvent wipe
• C. Abrasive scrub
• D. None of the above

Answer: (A)

Bond breaker residue is a waxy film on the concrete that must be fully removed so subsequent coatings or pours can adhere properly. A power washer is the best option because the high-pressure water physically lifts and rinses away the film and any debris over large areas, giving a thorough cleaning without introducing chemicals or causing surface damage.

Solvent wipes can remove some residue but may leave solvent behind, require drying time, and might not eliminate all waxy film, which can compromise adhesion. An abrasive scrub risks scratching or dulling the surface and can embed particles, leading to an unpredictable finish.