What is DensArmor plus?
DensArmor Plus® Interior Panels, which feature fiberglass mats instead of the paper facings used on the surface of traditional gypsum board products, resist mould growth. They’re ideal for areas prone to high humidity such as basements and residential bathrooms, and are ideal for commercial installations.
Is DensArmor plus fire rated?
DensArmor Plus Fireguard exhibits 15 flame spread as tested per ASTM E 84 or CAN/ULC S-102. A specially formulated gypsum core that includes glass fibers allows DensArmor Plus Fireguard to help protect framing members and prevent or delay the spread of fire.
What is DensArmor used for?
Primary Uses They are designed for direct attachment with screws or nails to wood and metal framing or existing surfaces. They may be used as a covering material for flat or curved structures. DensArmor Plus Panels are manufactured with fiberglass mat surfaces.
Is DensArmor plus waterproof?
DensArmor Plus panels are GreenGuard Indoor Air Quality Certified® and have been listed as microbial resistant by the GreenGuard Environmental Institute. StoGuard® is a waterproof air barrier assembly that protects backup construction (sheathing and CMU) from moisture intrusion and air leakage.
How do you finish DensArmor plus?
The finishing and sanding of DensArmor®/ DensArmor PlusTM should be performed in accordance with the most current version of Gypsum Association Publication GA-214-96 “Recommended Levels of Gypsum Board Finish.” DensArmor Plus panels may be finished with either paper tape embedded with all purpose joint compound or (for …
How much drywall do I need for a 2-hour fire rating?
Step 1. Double the number of Type X sheets on the wall for a simple system installed over fire-resistant fiberglass insulation; each sheet of 5/8-inch Type X drywall is rated to resist fire for one hour, so two layers will produce a two-hour firewall.
Does DensGlass need a vapor barrier?
It is not required to provide a water-resistive barrier over DensGlass Sheathing for the protection of the gypsum sheathing itself during the 12-month weather exposure limited warranty.
What is purple drywall?
National Gypsum has developed Purple drywall that is moisture, mold, and mildew resistant. This means less water and mold damage in homes keeping construction debris from landfills. In addition, within the line of Purple drywall products, are sheets that stand up to abuse and impact.
Why is commercial drywall hung vertically?
Commercial: Hang the drywall vertically. On commercial jobs, fire codes often require seams to fall on the entire length of the framing, so the drywall must be hung vertically.
Can DensGlass be used for exterior walls?
Most conventional exterior sidings and wall coverings—including vinyl, composition, metal, stone, brick, wood—may be applied over DensGlass Sheathing.
Should there be a gap between drywall and floor?
It might sound counter intuitive at first to leave space between your floor and your wall, but you should always leave a ½ inch to ⅝ inch gap between drywall and the floor.
What kind of drywall goes around a gas fireplace?
We talked to the experts, and this is what we discovered. It would be best if you did not use regular drywall around a fireplace as it is considered to be highly flammable. Instead, it would be best to surround the fireplace area with non-combustible materials such as stone, tile, marble, or metal.
What is code for gas fireplace surround?
Per California fireplace hearth dimensions code as published on UpCodes, if the firebox, or the opening of the fireplace, is less than 6 feet square, then the requirement is that the hearth must stick out at least 16 inches to the front and 8 inches on either side of the opening.
Do you need plywood under DensGlass?
It all depends on your expectations and plans. The sheathing is a barrier protecting your home from different weather conditions, and it is considered additional insulation in certain cases. Let’s go ahead and introduce both Densglass sheathing and plywood so you can make a choice.
Should I drywall ceiling or walls first?
Hang drywall on the ceiling first, then the walls. Check the ceiling for bowed joists using a 4-ft. level. Irregularities less than 1/8 in.
Is Georgia-Pacific gypsum responsible for the performance of densarmor plus panels?
•Georgia-Pacific Gypsum does not warrant and is not responsible or liable for the performance of any coating, finishing, covering or other materials applied over DensArmor Plus panels or any systems utilizing DensArmor Plus panels. The suitability and compatibility of any system is the responsibility of the system manufacturer or design authority.
What are the dimensions of a densarmor plus Fireguard C panel?
Finished both sides with 1/2” (12.7 mm) DensArmor Plus Fireguard C panels installed horizontally or vertically. Edges and ends offset 24” (610 mm) o.c. C-T, C-H or I Stud 2-1/2” (64 mm) 4” (102 mm) 6” (152 mm) Wall Thickness 3-1/2” (89 mm) 5” (127 mm) 7” (178 mm)
Are densarmor plus interior panels waterproof?
•DensArmor Plus Interior Panels are resistant to normal weather conditions but are not intended for immersion in water. Cascading roof/floor water should be directed away from the panels. •The use of forced air heaters creates volumes of water vapor, which, when not properly vented, can condense on building materials.
How far apart should the edges of densarmor plus panels be?
Unless protected by metal or other water stops, the edges of the DensArmor Plus panels shall be placed not less than 1/2” (12.7 mm) away from abutting vertical surfaces. Do not allow water to pond on DensArmor Plus panels. Maximum Framing Spacing for Single-Ply Construction1 Single-Ply DensArmor Plus Panel Thickness, in. (mm)