Brick Repointing

Professional Brick Repointing in Perth

Crumbling Mortar? Protect Your Home Before Small Cracks Become Expensive Problems

When mortar between your bricks starts breaking down, it’s more than an eyesore. It’s your wall telling you something’s wrong. Left unchecked, deteriorating mortar lets water seep in, weakens your structure, and can lead to costly damage down the track.

Brick repointing restores both the strength and appearance of your masonry, but only when it’s done right. Use the wrong mortar mix or rushing the job, and you’ll trap moisture, crack bricks, or end up with a patchy mess that stands out for all the wrong reasons.

Mortarfix has been serving Perth homeowners for over 40 years. We understand how Perth’s climate affects brickwork (intense sun, coastal air, seasonal rain), and we know exactly which mortar mixes work for different brick types and ages. You’ll get honest advice, meticulous workmanship, and results that last.

What is brick repointing (and why does it matter)?

Brick repointing (sometimes called mortar joint repair) is the process of carefully removing damaged, crumbling, or deteriorated mortar from between bricks and replacing it with fresh, properly matched mortar.

Think of mortar as the glue holding your brickwork together. Over time, especially in Perth’s harsh conditions, this “glue” breaks down. Weather, age, poor original workmanship, or incorrect mortar mixes can all cause mortar to:

  • Crumble and turn sandy
  • Crack and fall out
  • Allow water penetration
  • Weaken the entire wall structure

Professional brick repointing:

Before repointing

A sample of an old wall BEFORE Brick Repointing

After professional repointing

A sample of an old wall AFTER Brick Repointing

Signs your brickwork needs repointing

Not sure if repointing is necessary? Most people aren’t until the signs become hard to ignore. You may need repointing if you notice:

  • Crumbling, sandy, or missing mortar

  • Visible cracks between bricks

  • White powdery residue on brickwork

  • Damp patches or water leaks near walls

  • Loose or shifting bricks

  • An older home that hasn’t had masonry work in decades

  • After repairing cracked bricks, or replacing rusted lintels

If you’re not sure about how we can help, get in touch with our friendly team to arrange a free on-side assessment/quote. 

Mortar replacement

Mortar and bricks can start fretting (crumbling) from a range of causes, including incorrect mortar mix, exposure to extreme weather, over watering or garden beds built up against walls. 

Fretting bricks

After exposure to rain or reticulation, most of the moisture in bricks is expelled through the joints. This process is inhibited when some chemically modified mortars are used, which causes the bricks to crumble and requires cutting out and replacing all affected bricks. If the mortar is too strong or waterproofing admixtures are used incorrectly this can result in the brickwork breaking down. Learn more about damaged brick repair

Fretting mortar

It is important to use the correct mortar in masonry joints. If the mortar is too weak it won’t last and will crumble away. 

All Mortarfix Bricklaying and repointing mixes are fully compliant with Australian Standard AS 3700:2018 and are guaranteed to last. 

Fretting bricks

Frequently Asked Questions about

Brick Repointing

How does the repointing process work?

Our expert team will carefully remove all damaged mortar and apply new, high-quality mortar that matches your existing brickwork and meets Australian Standard 3700: 2001.

Once our repointing work is complete, Mortarfix will leave your property clean and tidy with a result you can be proud of. 

Yes, we offer a workmanship guarantee on all our brick repointing projects.

Properly done repointing can last 20–30 years, depending on environmental factors and the quality of the mortar used.

Yes, repointing seals gaps in the mortar, preventing water ingress and protecting your brickwork from moisture-related damage.

Sure! Check out our gallery, or follow us on Facebook where we regularly post project updates.

Mortarfix - local expertise you can trust

Brickwork behaves differently depending on climate, age, and materials.

Mortarfix has been serving the  Perth Metro region for 40+ years, and understands the local climate and conditions that affect your brick work. We know how intense sun, rain, coastal air, and time affect mortar in Perth, and bring that expertise into every project. 

You’ll get honest advice, clear communication, and workmanship you can rely on.