Is Densshield fire rated

DensShield Tile Backer is composed of a water-resistant treated core that is covered front and back with fiberglass mats. … DensShield Tile Backer has been shown to be excellent for tile and non-tile installations in wet and non-wet applications, in areas of high humidity, and in appropriate fire-rated wall assemblies.

Can DensShield be used for fireplace?

Do not use DensShield as a radiant barrier behind fireplaces. Not for exterior use. Do not apply DensShield directly to concrete or masonry block. Framing or furring of the wall is necessary.

Is DensGlass 1 hour fire-rated?

Fire Resistance DensGlass Sheathing is noncombustible as described and tested in accordance with ASTM E136 or CAN/ULC S114.

Does DensGlass have a fire rating?

DensGlass Sheathing is manufactured to meet ASTM C1177. Flame spread and smoke develop rating of 0/0 when tested in accordance with ASTM E84 or CAN/ULC S102. This product contains fiberglass facings which may cause skin irritation.

Is DensShield heat resistant?

DensShield Tile Backer should not be used in commercial saunas, steam rooms, around fireplaces or areas where prolonged exposure to heat exceeds 125° F (52° C). … For floors, use floor grade tile, 2( x 2( (51 mm x 51 mm) or larger.

Is DensGlass sheathing fire resistant?

This DensGlass sheathing gypsum panel from Georgia-Pacific will help improve the performance and durability of a wide range of fire-rated and non-fire-rated building assemblies.

Does DensShield require waterproofing?

No. The grey face (tile side) of DensShield Tile Backer has a heat cured acrylic coating which is a built-in moisture barrier and vapor retarder so that no additional moisture barrier is required. In fact, an additional moisture barrier to the back side of DensShield Tile Backer is NOT recommended.

What is the difference between DensDeck and DensGlass?

DensDeck may be used above vertical membranes 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.

Is DensDeck fire-rated?

Fire Resistance Classifications DensDeck® Roof Boards are excellent fire barriers over combustible and noncombustible roof decks, including steel decks.

Is DensGlass exterior sheathing structural?

DensGlass SilverTM residential structural wall sheathing incorporates the proven glass mat Dens TechnologyTM with a moisture-resistant core to produce a residential exterior sheathing that: Meets requirements of ASTM C 1177 and applicable sections of ASTM C 79. … Provides moisture resistance.

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What is fire rated plywood?

Fire treated plywood is specially treated with chemicals that provide a physical barrier to flame spread. … Certain plywoods are also graded “Exterior” which gives it both a fire retardant rating and a treatment to prevent the fire retardant chemicals from leaching out in wet conditions.

How thick is a fire separation wall?

Fire rated sheetrock is installed with the goal of creating a fire separation – a typical requirement design for specific locations in many building codes. Type X fire rated gypsum drywall is 5/8 -inch thick and installed on each side of a wood framed wall to create the fire separation.

Can you paint over DensShield?

Easier to handle than cement board, DensShield Tile Backer cuts and installs like drywall without special tools or fasteners. It can also be painted or used in non-wet areas.

What is the best backer board for a shower?

Cement board is a good, reliable backer board that works well on both floors and walls. Keep in mind that most tile setters err on the side of caution and brush a waterproofing membrane on top of cement board when it is in wet areas like showers or tub surrounds.

What thickness does DensShield come in?

Standards and Code Compliance – DensShield Tile Backer in 1/4” (6.4 mm), 1/2” (12.7 mm) and 5/8” (15.9 mm) thicknesses conforms to current IRC and IBC codes and is manufactured to meet ASTM C1178 as a fiberglass mat gypsum substrate for use as tile backer.

What size sheets does DensShield come in?

DensShield 1/2 in. x 4 ft. x 8 ft.

Will Redgard stick to paint?

Is Redgard paintable? Unfortunately, it will not be warrantied for use with paint on top of it. … They recommend that you attempt to prime the walls first and then apply a second layer of paint. It may be possible to paint the walls with a one-step product that includes paint and primer all in one convenient pail.

Is thinset mortar waterproof?

Thinset is designed to adhere well in a thin layer that’s typically not greater than 3/16″ thick. … Although thin-set is not waterproof, it is isn’t water soluble. When moisture is present, it will not return to a liquefied state as mastic would.

Does DensGlass need a vapor barrier?

The energy code requires continuous air barrier on either the interior or exterior wall in certain climate zones.

Is DensGlass sheathing waterproof?

It is a ready-mixed, flexible, waterproof coating which can be used on gypsum, cement or wood based sheathing substrates. Sto VaporSeal over DensGlass panels can be used on vertical above grade walls.

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.

What is the difference between DensDeck and DensDeck prime?

DensDeck roof board is a patented glass mat faced, noncombustible, nonstructural, moisture resistant treated gypsum core panel. DensDeck Prime® roof board combines all the features of standard DensDeck roof board with an enhanced surface treatment.

Is DensDeck waterproof?

The patented DensDeck® design employs glass mat facings front and back that are embedded into a water-resistant gypsum core providing excellent fire resistance, moisture resistance, and wind uplift properties.

What is Dens Deck prime?

DensDeck and DensDeck Prime are exceptional fire barriers, thermal barriers and recover boards used in various commercial roofing systems. … They are embedded into a water resistant gypsum core providing excellent fire resistance, moisture resistance and wind uplift properties.

Can you walk on DensDeck?

Allow primer to dry before walking on the DensDeck Prime substrate. Cover the membrane with the exposed roofing material as soon as possible.

Can you torch DensDeck prime?

DensDeck Prime Roof Board may allow the bonding of cold mastic modified bitumen and torching directly to the surface.

What are EIFS panels?

Exterior Insulation and Finish System (EIFS) is an exterior wall cladding that utilizes rigid insulation boards on the exterior of the wall sheathing with a plaster appearance exterior skin.

What is exterior gypsum sheathing?

Description. Exterior Gypsum Sheathing is a water-resistant product designed for attachment to exterior side-wall framing as an underlayment for various exterior siding materials such as wood, metal or vinyl siding, masonry veneer, stucco, shingles, etc.

Is regular plywood fire rated?

Plywood and OSB (oriented strand board) structural panels are real wood, a natural insulator, and therefore provide good protection against heat loss and condensation. … Tests conducted in 1974 by Underwriters Laboratories showed flame-spread ratings from 75 to 200 for common plywood grades.

Can you get fire-retardant plywood?

Fire retardant plywood specially treated with chemicals that act as a physical barrier to fire. The sheet material works by utilizing two mechanisms. One of them is reducing the flammability of fire-resistant plywood by lowering the rate at which flames travel and subsequently slowing down combustion.

Is OSB plywood fire rated?

Both fire-rated OSB and Fire Retardant Treated (FRT) plywood are commonly used in fire-rated wall sheathing and roof deck applications. … FRT plywood has a flame spread rating, but no rating for burn-through resistance.