Exterior Caulking Repair

When Your Building’s First Line of Defense Starts to Fail
Exterior caulking might seem like a minor detail—but it plays a major role in keeping your building dry, energy-efficient, and protected from damage. Over time, UV exposure, temperature swings, and building movement break down sealants around windows, doors, panels, and penetrations.

That’s why AFR Windows provides expert exterior caulking repair services for commercial and residential buildings across the Bay Area. Whether you manage a high-rise, own a duplex, or oversee a retail center, we help restore your building’s weatherproof seal and prevent costly water intrusion.

The Problem: Failed Caulking Leads to Big, Expensive Problems
Old or poorly applied caulking can crack, pull away, or shrink—allowing water and air to penetrate your structure. We frequently see:

• Water stains or interior leaks near windows or walls

• Drafts and rising energy costs from air infiltration

• Mold and mildew from hidden moisture

• Pest intrusion through open joints

• Deterioration of surrounding materials (wood rot, rust, etc.)

In the Bay Area’s varied climate—from foggy coastal neighborhoods to hot East Bay suburbs—sealant failure accelerates quickly. And once water gets behind cladding or into wall cavities, repairs become much more complex and expensive.

The Solution: Professional Caulking That Seals, Stretches, and Lasts
AFR Windows offers exterior caulking repair and replacement services that restore your building’s sealant lines with premium, long-lasting products. We understand sealants better than anyone—because sealing is at the heart of what we do every day.

Our exterior caulking repair services include:

• Joint and perimeter sealant replacement around windows, doors, and panels

• Silicone and urethane caulking systems tailored to substrate and exposure

• EIFS, concrete, and metal panel caulking

• Wet glazing and structural silicone joint sealing

• Fire-rated and acoustical sealant installation where required

• Color-matching and tooling for clean, professional aesthetics

We don’t just patch cracks—we evaluate the whole system to ensure compatibility, longevity, and performance under real-world conditions.

Serving Property Managers, Building Owners, and Contractors Throughout the Bay Area
From mid-century homes in Oakland to multi-use complexes in San Jose, our clients include:

• Commercial property managers handling annual maintenance cycles

• General contractors needing skilled envelope subcontractors

• HOA boards responsible for multifamily exterior upkeep

• Developers requiring clean, compliant finishes before turnover

We handle everything from one-time leak response to full-building re-caulking as part of capital improvement or waterproofing scopes.

Caulking Done Right—Because the Details Matter
Proper sealant application is more than just squeezing a tube. Our technicians are trained to:

• Remove all deteriorated or incompatible sealants

• Prep joints thoroughly, including grinding, backer rod placement, and priming

• Use the right product for joint size, movement capability, and exposure

• Tool joints to manufacturer specs for optimal adhesion and appearance

• Clean up all work areas to maintain building aesthetics

We use industry-best practices and ASTM standards to make sure your building envelope is tight, efficient, and protected for years to come.

Benefits of Professional Caulking Repair

✅ Stops water and air intrusion before it causes damage
✅ Reduces heating and cooling costs year-round
✅ Extends the life of cladding, windows, and adjacent materials
✅ Prevents pest infestations through exterior gaps
✅ Improves curb appeal and resale value
✅ Helps meet energy code requirements and inspection standards

Whether you’re managing a LEED-certified building or an aging historical property, sealing your structure properly is one of the smartest long-term maintenance decisions you can make.

Why Bay Area Clients Trust AFR Windows for Exterior Caulking
We’ve built our reputation by understanding the science and art of sealant systems. Our clients return to us because we:

• Use top-tier sealants from Dow, Tremco, and Sika

• Ensure full compatibility with your building materials

• Offer fast, minimally disruptive service

• Provide clear scopes of work, before-and-after documentation, and warranty options

• Deliver clean lines and finishes that respect your architecture

Caulking may be at the edges—but it’s central to your building’s health.

Don’t Wait for a Leak to Take Action
Most caulking systems need reapplication every 7–15 years, depending on exposure. If you’re unsure about your building’s sealant condition, now is the time to act—before moisture becomes mold, or drafts become complaints.

📞 Call AFR Windows for a free sealant inspection
🔍 Schedule a walk-through to identify risk areas and priority repairs
🛠️ Let us restore your exterior caulking with expert care and guaranteed performance