DensGlass Sheathing is an ideal product for exterior ceilings and soffits for both cold and warm climate zones. It resists sagging, even under exceptionally humid conditions. Panels are applied directly to structural framing. Surface and joints may be finished and painted, or surfaced with an exterior finish system. Limitations
Can densglass be used permanently?
Densglass is not meant to be the permanent exterior sheathing for a structure. Densglass will withstand the elements for a period of time; however, eventually the sheathing will become compromised and will start to deteriorate. Residential construction provides many opportunities to use densglass.
What is densglass sheathing?
Densglass sheathing consists of a fiberglass surface and makeup that repels water, moisture, mold and deterioration, that is common if standard gypsum sheathing is used.
What should not be installed over densglass sheathing?
Brackets to support heavy cladding such as tile and marble should not be installed over DensGlass Sheathing. Do not laminate DensGlass Sheathing to masonry surfaces; use furring strips or framing. DensGlass Sheathing is not intended for roof applications.
When should I specify densglass sheathing?
DensGlass Sheathing should be specified for any project where flexibility and easy sheathing installation are paramount without the headaches and expense of delamination, deterioration, sagging and warping. Look for the distinctive GOLD color to ensure you're using genuine DensGlass Sheathing.
Can you plaster over DensGlass?
You can install stucco over DensGlass for a long lasting finish. DensGlass exterior sheathing is a paperless board that prevents moisture wicking and the interior of your home from becoming exposed to the elements.
Do you tape DensGlass?
If denseglass is your exterior sheathing, the best air barrier is taping the seams on it.
Can you put siding over DensGlass?
Installing Cladding over DensGlass® Sheathing Most conventional exterior sidings and wall coverings—including vinyl, composition, metal, stone, brick, wood—may be applied over DensGlass Sheathing.
Can DensGlass be exposed?
DensGlass® Sheathing is an engineered exterior gypsum sheathing. It has a specially treated gypsum core and embedded fiberglass mats on both sides for superior moisture, fire and mold resistance. This product can remain exposed for up to twelve months and is an ideal substrate for a wide variety of exterior claddings.
How do you seal DensGlass?
Apply approximately 3/8” (9 mm) bead of caulk along the joint. Embed the caulk into the entire surface of the tape with a trowel. Use backer rod for openings larger than 1/8” (3 mm). Follow manufacturer's installation recommendations for use with DensGlass Sheathing, and design authority specifications.
Can you nail into DensGlass?
Do not use DensGlass Sheathing as a base for nailing or mechanical fastening. Fasteners should be flush to the face of the board, not countersunk. DensGlass Sheathing is noncombustible as described and tested in accordance with ASTM E136 or CAN/ULC S114.
Is DensGlass better than plywood?
Densglass takes the win in the majority of categories, including water resistance and fire resistance. It is also considered to be more durable, but plywood, on the other hand, isn't prone to deformities due to humidity. However, when it comes to versatility, they're pretty similar.
What is the purpose of DensGlass?
DensGlass® Sheathing It is a preferred substrate under brick, stone, stucco, siding and EIFS due to its ability to protect a structure against incidental moisture during and after construction. DensGlass Sheathing adds performance and durability to a wide range of fire-rated and non-fire-rated building assemblies.
Is DensGlass mold resistant?
DensGlass 5/8-in 4-ft x 8-ft Mold Resistant Moisture Resistant Regular Drywall Panel.
What is the best way to cut DensGlass?
The nice thing about this product is you can cut it with a utility knife just like using regular drywall. Georgia Pacific publishes a pretty good resources for showcasing and using DensGlass Sheathing.
Is DensGlass a gypsum board?
DensGlass® Sheathing is a high performance fiberglass mat gypsum sheathing board, with over 30 years of use. It's available worldwide and is the #1 architectecturally specified product of its kind in the US1.
Is DensGlass an air barrier?
It is a polymer-modified emulsion and designed for spray or roller application. The membrane is also an air and water barrier. ExoAir™ TWF is a self-adhered 40 mil (Thru-Wall Flashing) membrane.
Can DensGlass be used for exterior walls?
Primary Uses Because of the superior performance of DensGlass Sheathing, it is specified for exterior walls, ceilings and soffits in a wide variety of applications.
What is the purpose of DensGlass?
DensGlass® Sheathing It is a preferred substrate under brick, stone, stucco, siding and EIFS due to its ability to protect a structure against incidental moisture during and after construction. DensGlass Sheathing adds performance and durability to a wide range of fire-rated and non-fire-rated building assemblies.
Can DensGlass be used for roof sheathing?
DensGlass Sheathing is appropriate for finishing the rest of the vertical surface above the membrane, but DensDeck Roof Board could also be used, so there's only one substrate material to deal with.
What is DensGlass used for?
Densglass sheathing creates an ideal, flat surface to work on thanks to its stability and durability. Densglass sheathing is an ideal choice for your exterior walls, thanks to its structural properties. It is often used in insulation, finishing systems, as well as cladding, and stone veneer applications.
Can nontiled walls be painted?
The nontiled areas can be primed and painted with the same finish used on the other walls in the room as long as the primer and paint are suitable for high-moisture areas.
Can you use sandable setting compound on Densshield?
But sandable setting compounds are not recommended in this application, because they don't set as hard as regular formulations. Use 2-inch 10x10 glass-fiber mesh tape (not paper tape) at the corners and wherever DensShield butts into regular gypsum board outside the shower.
Why is Densglass not used?from builder-questions.com
The reason that the material is not used in many instances is that homeowners do not recognize its existence, and builders are hesitant to recommend the product due to cost. Densglass is excellent in the interior of the residential unit, in place of water or mold resistant sheetrock.
What is densglass sheathing?from buildgp.com
Densglass sheathing consists of a fiberglass surface and makeup that repels water, moisture, mold and deterioration , that is common if standard gypsum sheathing is used. For example I am presently using densglass sheathing on the tub side on all units being framed in a large residential structure.
Is fiberglass densglass sheathing water resistant?from builder-questions.com
Whether there is masonry, wood, or even a synthetic exterior façade the use of a fiberglass densglass sheathing will provide a stable and water resistant sheathing, which can be left to the elements almost indefinitely. When the word indefinitely is used, it is meant to mean in a “best practice “situation.
Can you mud and paint DensShield?
Primer and paint for high-moisture areas can be used on the non-tiled areas, as long as they are suitable for the primer and paint used on the other walls in the room.
Can you finish DensShield?
Non-tile areas requiring superior fire and moisture resistance can be painted or wallpapered with Dens-Shield to take advantage of its vapor barrier and water repelling properties. Stabilizing and fire-resistant qualities are also added to countertop installations by Dens-Shield.
How do you seal DensShield?
A moisture-resistant envelope can be created by caulking the intersecting corners of DensShield Tile Backer panels and around a tub base or shower pan with flexible sealant. In order to avoid leakage of adhesive, the DensShield Tile Backer corners should be sealed before the joints are taped.
Can DensShield tile Backer be painted?
DensShield Tile Backer cuts and installs like drywall with no special fasteners or tools, making it a better alternative to cement board. Aside from that, the non-wet areas can be painted or used.
Can DensGlass be painted?
In cold or warm climate zones, DensGlass Sheathing is an excellent choice for exterior ceilings and rafters. Even in extremely humid conditions, it doesn’t sag. The structural framing is covered directly with the panels. It is possible to finish and paint the surface and joints, or to use an exterior finish system.
Can you paint tile backer?
Cement boards should not be painted unless they have been thoroughly cleaned or if they have adhesion issues. As compared to standard cement, fibrous cement boards’ pores absorb the adhesives within the paint, making the paint finish much more durable.
Can you waterproof over DensShield?
Yes. A moisture-resistant envelope can be created by caulking the intersecting corners of DensShield Tile Backer panels and around a tub base or shower pan with flexible sealant.
How wide is densglass?
Use appropriate board orientation for specific fire assemblies and shear wall applications within this document, other reference documents or as required by designing authority. The framing width shall not be less than 1-1/2” (38 mm) wide for wood framing and 1-1/4” (32 mm) for steel framing. Framing members shall not vary more than 1/8” (3 mm) from the plane of the faces of adjacent framing.
What is densglass sheathing?
DensGlass Sheathing is lightweight and easy to handle. It can be cut and fastened with standard drywall tools and fasteners. The product is much easier to work with than cement board, fiber cement sheathing or magnesium oxide sheathing which tend to be heavy and brittle.
How long is DensGlass Sheathing warranty?
DensGlass Sheathing is covered by a 12-month limited warranty against delamination and deterioration for exposure to normal weather conditions, a five-year limited warranty against manufacturing defects and a 12-year limited warranty against manufacturing defects when used as a substrate for architecturally specified EIFS. For a copy of the limited warranty, visit our website at www.buildgp.com/warranties.
How close can you put Densglass sheathing?
1. Control joints are recommended a maximum of 30 feet (9144 mm) or closer as specified by the design authority. 2. The roof must be dried in or protection from the elements must be provided prior to installing DensGlass Sheathing in horizontal applications to prevent moisture from ponding or settling on top of the sheathing panel or within the finished soffit. 3. Sandable setting compounds are not acceptable for use over DensGlass Sheathing in exterior soffit applications.
Is Densglass fireguard combustible?
DensGlass Sheathing is noncombustible as described and tested in accordance with ASTM E136 or CAN/ULC S114. 5/8” (15.9 mm) DensGlass® Fireguard® Sheathing is included in a variety of UL and ULC listings and other designs in the GA-600 Fire Resistance Design Manual.
Can stone veneer be used over glass sheathing?
Masonry or stone veneer can be applied over DensGlass Sheathing just as it would be over any other type of sheathing. Attach the masonry ties securely through the panels and into the steel or wood framing. Space the ties as required by masonry courses. Apply water-resistive/air barrier and continuous insulation as required by building code or design authority.*
Can stucco be applied over densglass?
Stucco systems may be applied over DensGlass Sheathing using paper-backed metal lath or two layers of building paper and metal lath. Metal lath must be mechanically attached through the DensGlass Sheathing into the steel or wood framing. Install stucco system in accordance with the manufacturer’s instructions and local building code requirements. For a sheathing, with an integrated water-resistive barrier and air barrier, that eliminates the need for building wrap or fluid applied membranes, see the DensElement™Barrier System at DensElement.com.
How wide is densglass?from floridabuilding.org
Use appropriate board orientation for specific fire assemblies and shear wall applications within this document, other reference documents or as required by designing authority. The framing width shall not be less than 1-1/2” (38 mm) wide for wood framing and 1-1/4” (32 mm) for steel framing. Framing members shall not vary more than 1/8” (3 mm) from the plane of the faces of adjacent framing.
How long is DensGlass covered?from floridabuilding.org
DensGlass Sheathing is covered by a 12-month limited warranty for weather exposure, a five-year limited warranty against manufacturing defects and a 12-year limited warranty when used as a substrate for architecturally specified EIFS. For a copy of the limited warranty, call 1-800-225-6119. Or visit our Web site at www.gpgypsum.com.
What is Densglass sheathing?from floridabuilding.org
DensGlass® Sheathing is a high performance fiberglass mat gypsum sheathing board, with over 30 years of use. It’s available worldwide and is the #1 architectecturally specified product of its kind in the US 1. DensGlass® Sheathing, with its recognizable Gold colour, has fiberglass mats for superior mould 2 and moisture resistance compared to paper-faced sheathings. Strong, highly moisture resistant and with an A1 non combustible reaction to fire classification, DensGlass® Sheathing is the Gold standard.
What is a densDefy barrier?from buildgp.com
DensDefy™ Liquid Barrier adheres to most common construction surfaces such as CMU, concrete, glass mat gypsum sheathing, OSB and plywood, and galvanized steel and wood framing, and is compatible with a wide range of sealants and waterproofing or air barrier components. These systems and products work together to help protect against water intrusion and mitigate the risk of unwanted air movement.
How long is Densglass sheathing good for?from buildgp.com
DensGlass® Sheathing can be used as an external sheathing for steel and timber framing and is backed with a limited warranty against manufacturer’s defect and exposure to normal weather without deteriorating or delaminating for up to 12 months.
Can stucco be applied over densglass?from floridabuilding.org
Stucco systems may be applied over DensGlass Sheathing using paper-backed metal lath. Paper-backed metal lath must be mechanically attached through the DensGlass Sheathing into the steel or wood framing. Install stucco system in accordance with the manufacturer’s instructions, the Portland Cement Association guidelines and local building code requirements.
Is Densglass fireguard combustible?from floridabuilding.org
DensGlass Sheathing is noncombustible as described and tested in accordance with ASTM E 136. Tests of 5/8” (15.9 mm) DensGlass® Fireguard® Sheathing conducted in accordance with ASTM E 119/CAN ULC S-101 qualify the product for a variety of UL listings and other designs in the GA-600 Fire Resistance Design Manual.
Why is Densglass not used?
The reason that the material is not used in many instances is that homeowners do not recognize its existence, and builders are hesitant to recommend the product due to cost. Densglass is excellent in the interior of the residential unit, in place of water or mold resistant sheetrock.
What is densglass sheathing?
Densglass sheathing consists of a fiberglass surface and makeup that repels water, moisture, mold and deterioration , that is common if standard gypsum sheathing is used. For example I am presently using densglass sheathing on the tub side on all units being framed in a large residential structure.
Is fiberglass densglass sheathing water resistant?
Whether there is masonry, wood, or even a synthetic exterior façade the use of a fiberglass densglass sheathing will provide a stable and water resistant sheathing, which can be left to the elements almost indefinitely. When the word indefinitely is used, it is meant to mean in a “best practice “situation.
