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DensGlass Sheathing

DensGlass sheathing • Alpharetta, GA

DensGlass Sheathing Replacement in Alpharetta

When water has been getting behind the stucco or EIFS on an Alpharetta building, the sheathing is usually what fails. We open the wall, replace damaged board with glass-mat gypsum, repair framing where needed and tie it back into the weather barrier.

Wet sheathing removed
Glass-mat board installed
New barrier & flashing
Finish matched to facade

Call (770) 758-8417 How the repair works

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Alpharetta commercial stucco & EIFS. Property managers, boards, owners & builders.

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Behind the facade

The damage you can’t see is in the board

Many apartment communities, condominiums and office buildings in Alpharetta were sheathed with OSB, plywood or paper-faced gypsum behind their stucco or EIFS. Those boards hold up while they stay dry. Once a window perimeter, balcony connection or parapet has been leaking for a few seasons, the board softens, loses its grip on the fasteners and starts to rot, and the cladding over it cracks or bulges.

No coating or sealant fixes that from the outside. Moisture readings tell us how far the wet area extends, and we remove the cladding back past it. Damaged sheathing comes off, framing is checked and repaired or sistered where it has decayed, and any termite-related damage is addressed before the wall is closed. New glass-mat gypsum sheathing goes on, with a weather barrier lapped into the surrounding wall and flashing corrected at the opening or transition that let water in.

Then the cladding is rebuilt, either stucco or EIFS, and the finish is matched to the building. Done this way, the repair addresses the cause and the damage together, instead of hiding one behind the other.

Exterior wall opened with new glass-mat sheathing installed behind the cladding

1999rebuilding Georgia walls

What we rebuild

Sheathing & substrate repairs in Alpharetta

The facade only tells you there is a problem. These are the layers we rebuild once a wall is open.

Water-damaged sheathing

Swollen OSB, delaminated plywood and softened gypsum board cut back to sound material and replaced with glass-mat board.

Moisture readings guide the cut

Weather-resistive barrier

New barrier lapped over the sheathing and tied into the existing barrier at every edge of the repair.

Every lap sheds water down

Window & storefront openings

Sill pans and jamb flashing integrated with the barrier so water that reaches an opening drains out.

Where most damage starts

Parapets & roof-to-wall joints

Flashing corrected where a roof, balcony or breezeway meets the wall, a common source of wet sheathing.

Coordinated with the roofer

Termite-damaged substrate

Sheathing and trim damaged by termites replaced, and cladding that runs below grade corrected.

Treatment stays with pest control

Framing documented

Corroded steel studs or decayed wood framing are photographed and referred to the owner’s engineer before the wall is closed.

Engineer decides structure

Choosing the board

Why glass-mat board goes back in

Putting new OSB or paper-faced gypsum back behind the cladding puts the same vulnerable material in the same spot on a wall that has already shown it can get wet. Glass-mat gypsum sheathing has fiberglass facings in place of paper and a moisture-resistant core, so a wet spell does not break it down or feed mold the way wood and paper can.

It is not waterproof on its own. The weather barrier, flashing and sealant joints are still what keep water out, and every replacement we do includes them. Where the sheathing is part of a building’s structural design, or where we find damaged studs, tracks or framing, the owner’s engineer specifies that repair and we rebuild the wall to it. You see photos of the open wall before anything is closed.

Sheathing behind stucco & EIFS
Board	When it stays wet	Our approach
OSBCommon on older wood frame	Swells and loses strength	Cut out and replaced
Plywood	Delaminates over time	Replaced or per engineer
Paper-faced gypsum	Facing and core break down	Replaced with glass-mat
Glass-mat gypsumDensGlass-type board	Resists rot and mold	Installed at the repair
Barrier & flashingOver any board	Sheds water to the weeps	Rebuilt every time

Our process

How a sheathing replacement runs on site

The wall is open for as short a time as possible and protected at the end of every day, with the work phased around tenants and residents.

Survey & map

We take moisture readings across the elevation to find the edges of the wet area and the leak source before any cladding comes off.

Readings mapped on photos
Leak source identified
Itemized written scope

Open & replace

Cladding is removed over the damaged area, wet sheathing is cut back to sound material, and glass-mat board is installed.

Daily weather protection
Framing issues documented
Changes approved first

Barrier, flash & finish

New barrier and flashing are lapped into the existing wall, then the stucco or EIFS is rebuilt and color matched.

Barrier lapped correctly
Flashing at every opening
Color & texture matched

Soft or bulging areas on your facade?

The longer sheathing stays wet, the more of the wall it takes with it. A moisture survey shows how far it has gone.

Request a site walk

Sheathing repair in Alpharetta

Wet walls in Alpharetta multifamily and office buildings

Garden-style apartments, condo communities and older office buildings across Alpharetta share the same hidden failure: sheathing that has been wet for years.

Balconies, breezeways and stair connections on Alpharetta apartment and condominium buildings are common entry points, as are window corners on office buildings near Windward Parkway and North Point. Georgia’s humid climate keeps wet board from drying out between storms, so the damage tends to spread quietly. We find its edges and replace it once, instead of chasing it.

Mapped moisture

Readings define the wet area before the wall is opened.

Framing & termite damage

Decayed studs and plates repaired before new board goes on.

Glass-mat gypsum

Moisture-resistant sheathing tied into a continuous weather barrier.

Alpharetta
Windward
North Point
Mansell Road
Old Milton Parkway
Downtown Alpharetta
Milton
Roswell
Johns Creek
Cumming

Questions & answers

Sheathing replacement FAQ in Alpharetta

What Alpharetta property managers and boards ask when the wall behind the cladding is damaged.

Does sheathing and framing repair need a permit in Alpharetta?

Work that replaces sheathing or framing often requires more review than a surface repair. Check with the City of Alpharetta’s building department for your scope; we provide a written description of the work to support that.

Can residents stay in their Alpharetta apartments while you replace sheathing?

In most cases, yes. We open the wall from the outside, work one area at a time and close it the same day or protect it overnight. We coordinate with management on notices and any interior access.

How do you know how much sheathing to replace?

Moisture readings map the wet area before we open the wall, and once it is open we cut back until we reach sound, dry board. Quotes explain how unforeseen damage is handled.

Why glass-mat gypsum instead of plywood or OSB?

Glass-mat gypsum sheathing resists moisture and does not rot the way wood-based panels do. It is widely used behind commercial stucco and EIFS.

Do you repair termite damage?

We repair termite-damaged sheathing and framing as part of the envelope work. Treatment itself should be handled by a licensed pest control company before we close the wall.

Open it once, fix it right

Tell us where the cladding is cracking, bulging or soft. We will map the moisture and send a written sheathing repair scope.

Call (770) 758-8417 Commercial quote