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Gypsum Products

Williams Lumber carries a wide selection of gypsum panels along with a variety of finishing products. Not all products available in all locations.

Tapered Edge Gypsum Panels

8′10′12′14′16′Applications
1/2″ Light Weight (4 Foot)XXXXX
1/2″ Light Weight (54 Inches)X
3/8″ (4 Foot)X
1/4″ (4 Foot)X
1/2″ Firecode Type C (4 Foot)XXFire resistant gypsum core, Type C, for use in fire-rated construction.
5/8″ Firecode Type X (4 Foot)XXXFire resistant gypsum core, Type X, for use in fire-rated construction.
1/2″ Mold/Mildew Resistant (4 Foot)XXProvides extra protection against mold and mildew compared to regular gypsum.
5/8″ Mold/Mildew Resistant (4 Foot)XProvides extra protection against mold and mildew compared to regular gypsum.
1/2″ Imperial Board (4 Foot)XDesigned for Vineer Plasters.
1/2″ Dens Armor Plus (4 Foot)XMoisture resistant with fiberglass mats.
5/8″ Densglass Gold (4 Foot)XSheathing ideal for behind brick, siding, EIFS, stucco and other permanent claddings.

X  Indicates size in stock – may vary by store

Underlayment & Backings

Applications
1/2″ Dens Shield Tile BackerCeramic Tile Underlayment
1/2″ Permabase (3′ x 5′)Underlayment or backing for tub and shower surrounds, countertops, or flooring.
1/2″ Permabase (4′ x 8′)Underlayment or backing for tub and shower surrounds, countertops, or flooring.
1/4″ Ultrabacker (3′ x 5′)Use as underlayment for floors, countertops, tub decks and outdoor kitchen counters. Stronger and more rigid than other 1/4″ boards.
1/4″ Hardibacker (3′ x 5′)For floors and countertops. No mesh board cuts easily.
1/4″ Hardibacker (4′ x 8′)For floors and countertops. No mesh board cuts easily.
1/2″ Hardibacker 500 (3′ x 5′)Superior protection for walls and floors against mold and moisture damage. Contains no paper facing.
1/2″ Hardibacker 500 (4′ x 8′)Superior protection for walls and floors against mold and moisture damage. Contains no paper facing.

Gypsum Compound

Applications
61.7# USG All Purpose CompoundUse for taping, finishing and repairs.
4.5 Gal USG Plus 3 CompoundLight weight and all purpose.
4.5 Gal USG MidweightWeighs up to 15% less. Use for finishing panels.
50# Structolight BasecoatLightweight plaster that weighs less than half as much as sanded plaster.
Durabond 45 25# CompoundProvide a hard, plaster-like surface for interior gypsum panels and exterior gypsum ceiling boards.
Durabond 90 25# CompoundProvide a hard, plaster-like surface for interior gypsum panels and exterior gypsum ceiling boards.
Easysand 45 18# CompoundThese compounds are ideal for heavy fills and they sand easily, allowing fast, smooth finishing. Setting times vary.
Easysand 90 18# CompoundThese compounds are ideal for heavy fills and they sand easily, allowing fast, smooth finishing. Setting times vary.
4.5 gal. Proform Multiuse CompoundVinyl based ready mix with easier pull.

Gypsum Accessories

Applications
250′ Paper TapeUse with ready mix or setting type joint compound.
50′ Durock TapeTile backer tape.
Ultraflex 325 Drywall TrimDrywall corner for spans less than 10′ and short runs.
Ultraflex 450 Drywall TrimDrywall corner for spans longer than 10′ and long peaks.

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Williams Lumber is partnered with Ace Hardware, making it easy to find and order products online for pick-up at your local Williams Lumber location. Once you click on a product here, you will be re-directed to acehardware.com, which should automatically determine the right Williams Lumber store for you based on your location. You can also choose your pick-up location manually.

Brands We Carry

USG

For over a century, GAF has manufactured and sold a wide variety of high-performing residential and commercial roofing products that exceed customer expectations. People trust GAF to protect what matters most in their daily lives. GAF has been rated #1 in shingle quality by Home Builders for 10 out of the last 12 years.

QuietRock

Quiet® products reduce sound and vibration in a multitude of applications by utilizing modern chemistries, techniques and a Silicon Valley approach to building science. QuietRock achieves high sound attenuation and fire-resistance in one product using less space, less material and less labor than conventional alternatives.