Building Envelope Restoration in Toronto & the GTA

Protecting Your Asset From Water & Structural Degradation

The building envelope is your property's primary line of defense against the harsh Canadian climate. When sealants fail, brick spalls, or cladding pulls away, moisture finds a path inside. Over time, water infiltration compromises structural concrete, rusts steel reinforcing bars, and leads to expensive emergency repairs. At Decora Building Restoration, we specialize in sealing, repairing, and insulating commercial and multi-residential envelopes.

Our building envelope services are engineered to address the root causes of failure rather than just masking the symptoms. By utilizing state-of-the-art membranes, industrial-grade sealants, and premium masonry matching, we restore thermal performance and prevent structural decay.

Our Comprehensive Envelope Scope

• Façade Repair & Restoration Structural repairs to concrete panels, EIFS, cladding, and exterior wood or composite finishes. We fix cracking, displacement, and degradation.
• Window Sealants & Expansion Joints Removal and replacement of failed caulking, polyurethane sealants, and structural expansion joints. We ensure continuous thermal and moisture barriers.
• Exterior Cladding Repair & Replacement Securing, repairing, or completely replacing failing metal panels, stucco, siding, and curtain wall flashing systems.
• Waterproofing Membranes Installation of liquid-applied and sheet-applied air/vapour barriers behind cladding systems to ensure long-term dryness.

Why Address Envelope Failure Early?

Delaying envelope maintenance is one of the costliest decisions a condo board or property owner can make. What starts as a small window leak can expand into structural concrete spalling, rusted steel lintels, mold growth inside drywall cavities, and skyrocketing energy bills due to heat loss. Decora provides detailed inspections and staging plans so repairs can be executed in phases, optimizing reserve fund allocation and minimizing tenant disruption.

Key Indicators of Failure

• ✓ Damp drywall or water stains near windows
• ✓ Cracked, peeling, or missing window caulking
• ✓ Mortar crumbling or white salt stains on brickwork
• ✓ Bulging bricks or misaligned exterior cladding
• ✓ Sudden draftiness or rising heating costs

Our Process

1. Visual & thermal drone inspections.
2. Engineering report coordination and cost planning.
3. High-durability sealant injection and membrane lay.
4. Rigorous water testing to guarantee zero leaks.

What is building envelope restoration?

Building envelope restoration is the repair and reinforcement of all components that separate a building's interior from the outside environment. This includes exterior walls, cladding, sealants, waterproofing membranes, insulation, and flashing systems to prevent water leaks and drafts.

How often should window sealants and caulking be replaced?

Window sealants and expansion joints typically last between 10 to 15 years depending on environmental exposure. We recommend annual inspections to catch cracking, shrinking, or adhesion loss before water penetrates the interior.

Do you work directly with building engineers?

Yes, Decora regularly collaborates with third-party engineering consultants, property managers, and condo boards. We provide fully compliant documentation, transparent change-order workflows, and adhere strictly to project specifications.