The Dos and Don’ts of Cleaning Natural Stone at Home in Portstewart
Natural stone adds a timeless, high-end finish to any home — and along the North Coast, we see it used in kitchens, bathrooms, hallways, and patios throughout Portstewart. From marble and limestone to travertine and slate, stone is beautiful — but it’s also delicate.
At Causeway Cleaning Ltd, we’re trusted specialists in natural stone cleaning and restoration in Portstewart, and we’ve seen first-hand how many well-meaning homeowners accidentally damage their stone with the wrong products or tools.
So, before you reach for the bleach or a scourer, read our essential Dos and Don’ts to keep your natural stone looking its best — for life.
Natural stone is alkaline by nature, which means it reacts poorly with acidic or overly alkaline cleaners. Using vinegar, lemon juice, or off-the-shelf tile sprays can cause permanent etching or dull spots.
Instead, use a pH-neutral stone cleaner specifically designed for marble, limestone, or slate. These products clean effectively without damaging the stone’s chemistry or surface seal.
Pro Tip: Always check the label — if it says “suitable for granite” but not for marble or limestone, skip it.
We get it — limescale and watermarks can be frustrating. But using harsh chemicals like bleach or descaling products will etch and erode the surface of your stone.
Etching appears as light, chalky rings or dull patches, especially on polished marble or travertine. Unfortunately, these aren’t just “dirty marks” — they’re physical damage to the surface, and only professional stone polishing can remove them.
If you’re unsure what’s safe, feel free to contact our team for free advice.
Stone is porous, and even sealed surfaces can absorb spills if left too long. Always wipe up:
The sooner you blot, the less chance of staining.
Scouring pads, wire brushes, and even stiff-bristled brushes can leave fine scratches across your stone — especially on softer surfaces like limestone and marble.
These scratches dull the finish and open the surface up to more dirt and staining over time. Instead, use soft microfibre cloths and mops with gentle agitation.
Sealing your stone creates a protective barrier against moisture and staining. But many people think sealing once means it’s done for life — and that’s a costly myth.
We recommend resealing every 12–18 months, depending on usage and location. High-traffic areas like kitchen floors in Portstewart homes may need more frequent attention.
We use professional-grade penetrating sealers tailored to the stone type. Learn more about our IICRC certification and sealing methods.
Granite is harder than marble. Travertine has natural holes. Slate can flake and chip. Each type of stone has different needs — and requires specific care.
At Causeway Cleaning Ltd, we’re Senior Members of the NCCA and trained to identify stone types, finishes, and the safest treatment methods. We’re also a WoolSafe Approved Inspector and Provider — because delicate flooring deserves specialist care.
Steam may seem gentle, but it can penetrate unsealed or worn-out stone, causing moisture damage below the surface — especially on floors with subfloor heating or adhesive-based installation.
Stick to low-moisture cleaning or let the pros handle deep-cleaning safely.
Whether you’re dealing with dullness, etching, grout discolouration, or just want to refresh your floors or countertops, our expert team is here to help.
We offer:
From holiday lets to heritage homes, we care for stone surfaces across Portstewart, Portrush, Castlerock, Coleraine, and beyond.
📞 Call 028 7034 8034
📩 Or email info@causewaycleaning.co.uk
We’ll help you protect your investment — and bring back the natural beauty of your stone.
Reliable, flexible and professional cleaning company based in Northern Ireland.
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