• “Seal-Once has stopped rain and moisture from penetrating the brick and mortar on our Circa 1750 brick home for 3 years; we have not had any mold or mildew issues whatsoever.” – Alice & Bruce Rogers, Easton, Maryland


Concrete Rust Remover for rust, mineral stains and iron spots

renew_smcleangreensafeRe-New Concrete restores natural color and beauty to your concrete surfaces. Works on contact without scrubbing to dissolve and remove rust, mineral stains, iron spots and efflorescence. Scarifys surfaces and whitens concrete color.

Apply to aged or new concrete surfaces to remove stains and mineral deposits, or cover the entire surface for a new concrete appearance.

Etch smooth concrete in preparation for Seal-Once™ Concrete/ Masonry Waterproofer, staining and painting.

Uses: Clean or Scarify New
or Aged Concrete Surfaces

No. 9103 • ONE U.S. GALLON / 3.79L

  • Dissolves rust and stains on contact
  • No pressure washing or scrubbing
  • Prepares surface for sealing/staining
  • Cleans up to 500 sq. ft.
  • Environmentally safe/biodegradable
  • Use around plants, grass or shrubs
  • 100% Money back guarantee
Cleans approximately 500 square feet per gallon. Do not dilute.

Rust/Iron Stains

Apply full strength, stains will dissolve on contact. Scrub surface with a wire brush to remove rust and mineral deposit stains. Re-apply to stubborn stains and lightly brush or hose off loose deposits.

Full Surface Cleaning and Scarifying

If the surface dries, apply more renew concrete to maintain a wet surface. Apply full strength to aged concrete surface with a garden sprayer, no pressure washing or scrubbing required just hose off. Use our Concrete/Masonry Cleaner prior to using Re-New Concrete. To remove efflorescence pressure washing is required.

For best results surface should be free of all mold/mildew, dirt, grease, oil etc.

Avoid eye and prolonged skin contact. Keep out of reach of children and pets. Do not ingest. If swallowed drink plenty of water to dilute. Do not induce vomiting, seek medical attention. Avoid extended contact with glass, etching could occur.
Contains Oxalic acid and is 100% biodegradable. Phosphate-free formula is safe to use around plants, grass and shrubs.
Use the following link to download/view the Adobe Acrobat PDF for