If you’re looking for a modern, stylish, and timeless brick colour for your new home, Iron Stone from our Premier Brick range is a standout choice.
What Makes Iron Stone Special?
Iron Stone is a mid-grey brick that delivers a sleek and contemporary look. Whether you’re building a new home or enhancing an architectural project, this colour pairs beautifully with a range of design styles—from modern minimalism to industrial chic.
But what truly makes Iron Stone shine is how it looks when paired with our charcoal bagged mortar. This combination creates a subtle contrast that enhances the depth and texture of the brickwork, resulting in a finish that’s both sophisticated and bold.
Important Laying Notes
To get the best results with Iron Stone, it must be laid using our charcoal mortar. Why?
Using charcoal mortar helps:
✅ Reduce the risk of mortar staining on the face of the brick
✅ Ensure a consistent and clean finish
✅ Make the bricklayer’s job easier and more efficient
It’s a smart choice that sets your build up for long-term success.
What About Efflorescence?
You might notice, in some cases, a white or lighter stain appearing on the brick or mortar after laying. This is called efflorescence—a completely natural phenomenon where salts migrate to the surface as moisture evaporates.
Here’s what you need to know:
- It’s not a fault or defect in the brick or mortar
- In many cases, it’s barely visible or never appears at all
- If it does show up, it usually weathers away over time
- You can choose to gently scrub or wash it off if desired
Efflorescence is a normal part of the curing and drying process, especially with masonry products, and has no impact on the structural integrity or long-term appearance of your brickwork.
How to Remove Efflorescence
🧼 Simple and safe ways to clean:
- Wait until the bricks are completely dry
- Sweep the area with a dry, stiff-bristled broom
- For stubborn spots, apply a vinegar and water solution (1 part vinegar to 10 parts water), scrub gently, and rinse
- Avoid high-pressure washing, which may drive salts deeper into the surface
Colour Pairing Suggestions
🎨 Popular Colour Combinations with Iron Stone:
- Roof: Ebony, Ironsand, Grey Friars
- Joinery: Matt Black, Arctic White, or Silver Pearl
- Cladding Accents: Cedar, black vertical shiplap, or dark-stained timber
- Landscaping: Concrete pavers, basalt stones, dark mulch, or white pebble contrast
Designer’s Insight:
“Iron Stone creates a bold yet refined base palette. Pair it with natural textures for warmth, or bold contrast for a modern edge.”
Ongoing Maintenance Tips
🏠 Keep your Iron Stone looking sharp for years:
- Gently hose your brickwork every 6–12 months to remove dust, dirt, and pollen
- Avoid using harsh chemicals or pressure washers
- Inspect mortar joints every 2–3 years and re-point if needed
- Position garden beds and irrigation systems to prevent direct water spray on the bricks
Final Thoughts
Iron Stone is one of our most eye-catching and popular choices for a reason. With its rich grey tones and smooth finish, it offers a beautiful backdrop for a wide range of home styles. And when laid with our charcoal bagged mortar, you get a combination that’s hard to beat.
If you’re considering Iron Stone for your next project, or have any questions about laying and maintenance, our team is here to help.
Need Help? We’re Here for You!
If you’re unsure about how to deal with efflorescence, please call us on 0800 22 22 98 to speak with one of our expert brick consultants. Or email sales@premier-group.co.nz along with some photos of your home, so we can give you the best possible advice.
We’re also available for a video call on WhatsApp, so you can take one of us on a virtual tour of your home for fast and easy advice!
When in doubt, please reach out!
FAQs
Q: Can Iron Stone be used in coastal areas?
A: Yes! It performs well in coastal environments when laid with the correct mortar and proper techniques.
Q: Will the colour of the brick change over time?
A: No, the base colour is permanent. Any white staining you may see is temporary efflorescence and will fade or can be cleaned.
Q: Can I use standard grey mortar instead of charcoal?
A: No this is not an option. Use the Premier bagged charcoal mortar to reduce the risk of staining and to maintain the intended aesthetic.
❤️ Customer Feedback
“We chose Iron Stone with charcoal mortar and couldn’t be happier. It gave our home a modern edge with just the right amount of warmth. The team at Premier helped us through every step—so grateful!”
— Amanda & James, New Plymouth
Written by Bernard Powell – Brick Consultant
Premier Group NZ
