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Commercial Waterproofing in Duluth, GA
Most leaks in Duluth office, retail and multifamily buildings come through joints, not through the stucco itself. We replace failed sealant, rebuild expansion joints, correct flashing and apply waterproof coatings that keep the envelope dry.
- Sealant replacement programs
- Expansion joint repair
- Flashing & parapet details
- Elastomeric & breathable coatings
Request a commercial quote
Duluth commercial stucco & EIFS. Property managers, boards, owners & builders.
The sealant on Duluth buildings is past its service life
Many of the office parks, shopping centers and apartment communities in Duluth were built in a span of a few decades, and the sealant at their windows, storefronts, panel joints and expansion joints was installed at the same time. Sealant does not last as long as the wall. After years of Georgia sun on south and west elevations, it hardens, shrinks and pulls away from one side of the joint, and wind-driven rain goes straight in.
A sealant program done right is more than a new bead of caulk. We cut out the old material, clean and prime the joint faces, install backer rod at the correct depth, and tool the new sealant to the profile the joint needs to move. Where we find missing kick-out flashing, open roof-to-wall transitions or unsealed penetrations for signs and lights, we fix those in the same mobilization.
On stucco that has fine cracking across whole elevations, an elastomeric or breathable coating can bridge the cracks and refresh the color at the same time.
Commercial waterproofing work in Duluth
These are the details we check and correct on office, retail, multifamily and hospitality buildings.
Sealant replacement programs
Old sealant is cut out, joints cleaned and primed, and new backer rod and sealant installed, building-wide or elevation by elevation.
Expansion joints
Failed expansion and control joints are rebuilt and sized so the joint can move with the building instead of tearing.
Window & storefront perimeters
Perimeter sealant, sill flashing and head details are corrected so water running down the wall is turned out, not in.
Parapets & roof-to-wall
Parapet caps, coping joints and roof-to-wall flashing are corrected where water enters the top of the wall.
Elastomeric & breathable coatings
Elastomeric coatings to bridge fine cracks, or breathable coatings where the wall needs to dry outward, chosen for the substrate.
Penetrations & attachments
Tenant signage, light fixtures, mechanical lines, railings and balcony attachments are flashed and sealed where they pass through.
Choosing the right waterproofing scope
A coating can’t fix a missing flashing, and new sealant won’t help a parapet whose cap is open. We start with the details where water is actually getting in, and only recommend a coating when the face of the wall needs one.
Coating choice matters too. Elastomeric coatings bridge hairline cracks and shed rain well, but a non-breathable film over a wall that is already wet can trap moisture. Where readings show wet areas, we repair those first.
For sealant, the question is usually full program or targeted repair. If the joints are the same age everywhere, replacing them in one program is usually the better value. If failures are concentrated on one or two elevations, we can phase the work so it fits operating budgets or reserves.
| Scope | Best for | Result |
|---|---|---|
| Targeted sealant repair | Failures on one elevation | Leaks closed |
| Full sealant program | Joints the same age everywhere | Building resealed |
| Flashing correction | Parapet & opening leaks | Water turned out |
| Elastomeric coating | Sound wall, many hairline cracks | Cracks bridged |
| Breathable coating | Dry stucco needing protection | Sheds rain, dries out |
How we waterproof an occupied building
Sealant and coating work depends on weather and cure time, so we plan the sequence and access with you before work starts.
Survey & test
We walk every elevation, check sealant adhesion and condition, take moisture readings at windows and joints, and water test where tenants have reported leaks.
- Sealant condition by elevation
- Moisture readings mapped
- Leak points confirmed
Scope & phasing
You get an itemized scope that separates active leak repairs from preventive work, with phasing options by elevation or by building.
- Itemized by elevation
- Program or targeted options
- Access & scheduling plan
Seal, flash & coat
Failed joints come out and are rebuilt, flashing is corrected, any wet substrate found along the way is replaced, and coatings go on where the wall needs them.
- Joints primed & tooled
- Flashing corrected
- Daily cleanup
Tenants reporting leaks after storms?
That usually points to a joint or flashing detail. A water test can confirm the source before you commit to a full program.
Often paired with waterproofing
Sealant and flashing work often turns up damage that has to be repaired first, or a wall that should be tested before anything is sealed.
Envelope Inspections
Moisture surveys, water testing and written condition reports for owners, boards, lenders and buyers.
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Commercial Stucco Repair
Cracks, impact damage, delamination and water damage on commercial facades, repaired at the source and matched to the building.
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Condominiums & HOAs
Reserve-study repairs, balconies, sealants and full-building recoats for condominium associations.
Learn moreWhat Gwinnett storms do to a joint
Duluth's buildings face the same summer pattern every year: heat, humidity and fast-moving thunderstorms with wind-driven rain.
Tall elevations facing open parking fields along Satellite Boulevard and Sugarloaf Parkway catch rain sideways, and that is where we find the worst joint failures. Where mature trees shade a wall, it stays damp longer and mildew grows on the north faces. Both patterns tell us where to look first on a Duluth survey.
South & west exposures
Sun-baked sealant hardens and splits first; these elevations usually lead a phased program.
Wind-driven rain
Storm rain finds open window perimeters and parapet joints on walls facing large open lots.
Expansion joints
Long buildings move; failed expansion joints between sections are a common leak path.
- Duluth
- Sugarloaf Parkway
- Satellite Boulevard
- Gas South District
- Peachtree Industrial Boulevard
- Abbotts Bridge Road
- Johns Creek
- Suwanee
- Lawrenceville
- Berkeley Lake
Waterproofing & sealant questions from Duluth
What Duluth owners, facility managers and boards ask about joints, flashing and coatings.
When is the best time of year to replace sealant in Duluth?
Our Duluth office park has several buildings. Can we phase the program?
Do we need to replace all the sealant or just the leaking joints?
Will an elastomeric coating stop leaks?
How do you find which joint is leaking?
Request a sealant program quote in Duluth
Tell us where tenants or residents are reporting water. We will survey the joints and send a written scope.