George-Pacific Drywall and Gypsum Boards


Differentiate your project with the finest in construction supplies. For three generations, Knez Building Materials has supplied contractors and homeowners in the Portland-area with top-quality drywall, drywall accessories, and gypsum boards. From industrial construction to residential home upgrades, trust the durability and reliability of Georgia-Pacific products. Whether your project is for mold resistance, fire prevention, or damage protection, call us today to see what Georgia Pacific drywall products best suit your needs.

For over 40 years, Georgia Pacific has provided high-performance building materials designed to add durability, strength, and resilience to any building envelope and interior. The optimal performance of any building can be achieved with the quality and efficiency of Georgia Pacific products. At Knez Building materials, we carry the following Georgia Pacific drywall products in various sizes:

ToughRock® Gypsum Boardfor covering new building construction or renovations, both flat and curved.

  • 4'x 8' x ⅜ Regular
  • 4' x 8' x ½” Regular
  • 4' x 9' x ½” Regular
  • 4' x 10' x ½” Regular
  • 4' x 12' x ½” Regular
  • 54” x 12' x ½” Regular

ToughRock® Fireguard X® Gypsum Board, designed to prevent or delay the spread of fire and resist the passage of smoke.

  • 4'x 8' x ⅝” Type X
  • 4'x 9' x ⅝” Type X
  • 4'x 10' x ⅝” Type X
  • 4'x 12' x ⅝” Type X
  • 54”x 12' x ⅝” Type X

ToughRock® Span 24® Ceiling Board, made to accommodate direct mechanical attachment to metal or wood framing.

  • 4' x 12' x ½" CD
  • 4' x 8' x ½" CD

ToughRock® Fireguard X® Mold-Guard™ Gypsum Board, featuring a moisture-resistant core to protect against mold and mildew.

  • 4' x 12' x ⅝" Type X WR
  • 4' x 12' x ½" WR
  • 4' x 8' x ⅝" Type X WR
  • 4' x 8' x ½" WR

ToughRock® Fireguard C® Gypsum Board, featuring non-combustible, reinforced gypsum cores to prevent fires and smoke.

  • 4' x 12' x ½” Type-C

DensGlass® Fireguard® Sheathing, for use on permanent claddings like stucco, EIFS, siding, and brick.

  • 4' x 8' x ½" DensGlass Gold
  • 4' x 8' x ⅝" Type X DensGlass Gold

ToughRock® Fireguard C® Soffit Board, suited for industrial, commercial, multi-family residential, and institutional construction.

  • 4' x 8' x ⅝" Type X Soffit Board

ToughRock® Fireguard X® Abuse-Resistant Gypsum Board, ideal for high-traffic areas like offices, hospitals, schools, and correctional institutions.

  • 4' x 12' x ⅝" Type X Abuse Resistant

DensArmor Plus® Fireguard C® Interior Panel, specially designed for moisture and mold resistance.

  • 4' x 12' x ½" DensArmor Plus
  • 4' x 12' x ⅝" Type X DensArmor Plus
  • 4' x 8' x ½" DensArmor Plus
  • 4' x 8' x ⅝" Type X Abuse DensArmor Plus

DensArmor Plus® Fireguard C® Abuse-Resistant Interior Panel, made for high-traffic zones.

  • 4' x 12' x ⅝" Type X DensArmor Plus Abuse Resistant

DensArmor Plus® Impact-Resistant Interior Panel, exceeding traditional drywall by withstanding abuse from scrapes, abrasions, indentations, and gouging.

  • 4' x 12' x ⅝" Type X DensArmor Plus Impact Resistant Interior Panel
  • 4' x 8' x ⅝" Type X DensArmor Plus Impact Resistant Interior Panel

DensGlass® Shaftliner, ideal in humidity-prone assemblies during the construction of multi-family and commercial buildings.

  • 2' x 8' x 1" Ultra Shaftwall Liner
  • 2' x 10' x 1" Ultra Shaftwall Liner
  • 2' x 12' x 1" Ultra Shaftwall Liner

DensShield® Fireguard® Tile Backer, designed to protect walls and sub-floor cavities from moisture.

  • 4' x 8' x ½" DensShield
  • 4' x 8' x ⅝" Type X DensShield

DensDeck® Fireguard® Roof Board, engineered to handle common problems associated with commercial roofing assemblies.

  • 4' x 8' x ½" DensDeck Roof Board
  • 4' x 8' x ⅝" Type X DensDeck Roof Board

DensDeck® Prime Fireguard® Roof Board, perfectly suited for energy-efficient and sustainable roof systems.

  • 4' x 8' x ½" DensDeck Roof Board
  • 4' x 8' x ⅝" Type X DensDeck Roof Board

With locations in Portland, Clackamas, Tigard, Vancouver, Salem and Eugene, Knez Building Materials makes it easy for our customer to find the drywall they need to get the job done. For the best supply building materials, you can count on us. We’re proud to carry the Northwest’s finest brand names. Call us today for pricing information and product details!