Stucco exteriors are a beautiful and durable choice for many Toronto homes, but like any exterior finish, they need a little TLC from time to time. At Alasya Construction, we know that our harsh Canadian seasons—icy winters, heavy rains, and humid summers—can take a toll on your stucco finish.
If you notice any of these five warning signs, your stucco might be calling out for repairs. Catching problems early can save you thousands in future damage.
1. Cracks Are Starting to Appear
Hairline cracks may seem harmless at first, but they’re often the first sign of water intrusion or structural movement underneath the surface. Over time, water can seep in, freeze, and expand—widening the damage and potentially affecting your home’s insulation or interior walls.
👉 What to do: Small cracks can often be patched and sealed. Larger cracks or recurring ones may require more in-depth assessment by stucco professionals.
2. Discoloration or Staining
If parts of your stucco are turning brown, black, green, or rusty, that could be due to water damage, mold, or rusting metal lath beneath the surface.
👉 What to do: Discoloration is a red flag for moisture problems. Contact a stucco repair expert ASAP to investigate the underlying cause before it spreads.
3. Bubbling or Blistering Texture
When the surface of your stucco starts bubbling, peeling, or flaking, it’s often a sign of poor installation or trapped moisture behind the walls. This is common in older Toronto homes where stucco hasn’t been properly maintained.
👉 What to do: The affected area will likely need to be stripped, the moisture source identified, and the stucco reapplied properly.
4. Soft Spots or Chalking
Gently press your hand against different areas of your stucco. If it feels soft, crumbly, or powdery (a condition known as “chalking”), that’s a sign of deterioration and weakened bonding.
👉 What to do: Chalking requires cleaning, sealing, and sometimes resurfacing with a new stucco layer to restore strength and appearance.
5. Gaps Around Windows and Doors
Stucco should form a seamless edge around windows and doors. If you see gaps, cracks, or separation, water can easily sneak in and compromise your window frames, drywall, and insulation.
👉 What to do: Seal gaps immediately and get a pro to inspect the full extent of water damage.
🛠️ Don’t Wait—Protect Your Home with Professional Stucco Repair
At Alasya Construction, we specialize in stucco repair, refinishing, and replacement services across the GTA. Whether your home needs a simple patch job or a complete exterior overhaul, our expert team can assess the situation and deliver long-lasting solutions.
✅ Free On-Site Estimate
✅ Experienced with Toronto’s climate
✅ High-quality materials and craftsmanship
📞 Contact Alasya Construction Today
Let’s bring your stucco back to life—and protect your home from further damage.