Concrete & Mortar - Granite

Removing Cement Stains from Outdoor Granite Surfaces

Granite is a tough natural stone, often chosen for patios, paths, and driveways because it looks good and lasts long. Construction work or repairs can leave cement stains on granite, forming hard patches that look bad and are tough to clean.

You need to choose the right cleaner carefully, because using harsh acids can badly damage certain granite types.

How Cement Stains Form on Granite

Cement stains usually come from these common situations:

Messy Work – Builders leave mortar, grout, or cement splashes on the stone after poor or rushed installation.

Foot Traffic – Workers walk over granite with cement dust or wet mortar stuck to their shoes.

Spills During Repairs – Cement or grout drips onto granite during repointing or fixing work nearby.

Once dry, these stains harden and stick to the surface, making removal much harder without the proper cleaner.

Why Strong Acids Can Damage Granite

Many people think acid cleaners will quickly remove cement, but they can easily damage granite if used carelessly.

Here’s what can happen with acid use:

❌ Etching – Acids eat into the stone and leave dull, rough marks.
❌ Colour Fading – Granite reacts to acids, which can strip natural colour or leave patchy areas.
❌ Weakened Stone – Repeated acid use can break down the surface, making granite weaker and easier to damage.

How to Remove Cement Safely from Granite

To clean cement without harming granite, use a cleaner made for natural stone—powerful on stains but gentle on the surface.

✔ Breaks down dried cement and grout without harsh scrubbing
✔ Safe for granite—no strong acid that eats away minerals
✔ Works without dulling or damaging the stone’s natural finish

Always Test Before Cleaning the Whole Area

Granite varies in type and how much it absorbs, so test a small area before applying cleaner everywhere.

This test will:

✅ Check if the cleaner works well and doesn’t harm the stone
✅ Show how much product you’ll need for full cleaning
✅ Help you find the right amount of time to leave the cleaner on

Why Use a Cleaner Made by Experts

At PureSeal Solutions, we’ve designed our granite-safe cleaner to remove tough stains while keeping your stone strong and attractive.

✔ Made for stone—cleans well without damaging the surface
✔ No harsh acids—protects your granite’s colour and strength
✔ Trusted by professionals and homeowners for safe, effective cleaning

Cement stains on granite can be tough to remove, but the right cleaner makes it possible without harming the stone. Skip the strong acid and pick a cleaner made for granite to safely lift stains while protecting your surface.

Always do a small test, follow the directions carefully, and trust a well-made product for the best results.