Gypsum Products

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Product Spotlight

Soundbreak Gypsum
Featured Product

Soundbreak Gypsum

No more noisy neighbors!  When sound isolation between spaces is a must, look no further than National Gypsum’s Gold Bond Soundbreak Board.  Available in 1/2″ and 5/8″ thickness, Soundbreak is mold and moisture resistant.

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Featured Product

Pro Form Drywall Mud

Trust the best!  Interior Supply carries a full line of ProForm finishing products.

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Our Brands

Product Line

Backing Board/Underlayment

Product Name
Manufacturer
Applications
Data Page
Permabase 1/4" Cement Board Underlayment
National Gypsum
PermaBase is ideally suited as an underlayment or backing surface for tub and shower surrounds, countertops, flooring and a variety of other interior and exterior applications.
Permabase Cement Board
National Gypsum
PermaBase is ideally suited as an underlayment or backing surface for tub and shower surrounds, countertops, flooring and a variety of other interior and exterior applications.
Firecheck Plaster Base Type X
Continental Drywall
Firecheck Plasterbase is a base layer gypsum board for interior veneer, plaster-finished wall and ceiling applications that require fire resistance.
Plasterbase
Continental Drywall
Plasterbase is a base-layer gypsum board used for interior veneer plaster-finished walls and ceilings.
DensSheild Tile Backer
Georgia Pacific
Engineered to prevent damage to the sub-floor or wall cavity if moisture seeps through grouted tile, DensShield® Tile Backer is the first backer board with a built-in moisture barrier. It integrates a moisture-resistant core and microbial barrier* with fiberglass mats and a unique heat-cured acrylic coating.
Gold Bond eXP Tile Backer
National Gypsum
e2XP Tile Backer is recom mended as a substrate for tile and other finishes in both wet and non-wet areas, areas of high humidity and fire-rated assemblies. It is ideally suited for interior walls and ceilings.

Gypsum Exterior Soffit

Product Name
Manufacturer
Applications
Data Page
Gold Bond Exterior Soffit Board
National Gypsum
A fire-resistive gypsum panel, designed to provide the extra resistance to moisture and sagging required to meet out-door conditions. Used for sheltered exterior ceiling and soffit areas, such as covered parking areas, walkways and marquees in commercial construction and, in residential construction, carports, breezeways and open porches.
Firecheck Type X Soffit Board
Continental Drywall
Firecheck Soffitboard is a fire- and weather-resistant gypsum board for sheltered exterior ceiling and soffit areas such as carports, covered walkways, parking areas, open porches, and the soffit side of eaves. The board is designed to withstand indirect exposure to moisture and resist sagging.
Soffitboard
Continental Drywall
Soffitboard is a weather-resistant gypsum board for sheltered exterior ceiling and soffit areas such as carports, covered walkways, parking areas, open porches, and the soffit side of eaves. The board is designed to withstand indirect exposure to moisture and is enhanced to resist sagging.

Gypsum Shaftwall Liner

Product Name
Manufacturer
Applications
Data Page
Gold Bond Extended Exposure Shaftliner
National Gypsum
Designed to be used to construct lightweight fire barriers for cavity shaft walls, stairwells and area separa-tion fire walls in multifamily housing. The panels are key components in the I-Stud, C-T Stud and C-H Stud Cavity Shaftwall Systems and the H-Stud Area Separation Fire Wall Systems.
Gold Bond Fire Shield Shaftliner
National Gypsum
Shaftliner panels are designed to be used to construct lightweight fire barriers for cavity shafts and area separation fire walls in multifamily housing. The panels are key components in the I-Stud, C-T Stud and C-H Stud Cavity Shaftwall Systems and the H-Stud Area Separation Fire Wall System.
Gold Bond Fire Shield Shaftliner XP
National Gypsum
Shaftliner XP panels are designed to be used to construct light- weight fire barriers for cavity shaft walls and area separation fire walls in multifamily housing. The panels are key components in the I-Stud, C-T Stud and C-H Stud Cavity Shaftwall Systems and the H-Stud Area Separation Fire Wall System.
Mold Defense Shaftliner Type X
Continental Drywall
Mold Defense® Shaftliner Type X drywall is designed for use as lining in elevator shafts, ventilation shafts and stairwells, for area separation walls in residential housing and for interior building applications that require fire resistance.
Shaftliner Type X Drywall
Continental Drywall
Shaftliner Type X is designed for use in lining elevator shafts, ventilation shafts, and stairwells; for area separation walls in residential housing; and for other interior building applications requiring fire resistance.

Gypsum Wall Board

Product Name
Manufacturer
Applications
Data Page
Gold Bond Extended Exposure Interior Extreme
National Gypsum
Interior Side of Exterior Wall, May be used before the building is inclosed, Approved for exterior use in soffit applications.
Gold Bond Extended Exposure Exterior Extreme AR
National Gypsum
e2XP Interior Extreme AR is designed for interior use in wall assemblies in areas where surface durability, indentation and mold and mildew resistance are major concerns. Can be used for pre-rock applications before the building envelope is completely enclosed which may shorten construction cycles"
Gold Bond Extended Exposure Interior Extreme IR
National Gypsum
e2XP Interior Extreme IR is designed for interior use in wall assemblies in areas where surface durability, impact/penetration and moisture/mold/mildew resistance are major concerns. Can be used for pre-rock applications before the building envelope is completely enclosed which may shorten construction cycles.
Gold Bond Fire Shield C Gypsum Board
National Gypsum
1/2" Fire-Shield C - For single- or multi-layer drywall construction for fire tested assemblies. Also used as a roofing substrate. 5/8" Fire-Shield. For single- or multi-layer drywall construction. The greater thickness provides increased resistance to fire and reduced sound transmission.
Gold Bond Fire Shield Gypsum Board
National Gypsum
1/2" Fire-Shield C. For single- or multi-layer drywall construction for fire tested assemblies. Also used as a roofing substrate. 5/8" Fire-Shield. For single or multi-layer drywall construction. The greater thickness provides increased resistance to fire and reduced sound transmission. 5/8" Fire-Shield C.
Gold Bond Foil Backed Gypsum Board
National Gypsum
Foil Back Gypsum Board can be used for exterior walls and ceilings in new construction and remodeling. The aluminum foil, laminated to the back surface, is a vapor retarder to keep interior moisture within the building at a suitable comfort level.
Gold Bond Gypsum Board
National Gypsum
1/4" - Lightweight, low-cost utility gypsum panel for interior use as a base layer for improving sound control in double-layer steel and/or wood stud partitions. Also for use over old wall and ceiling surfaces. Also applicable for forming curved surfaces with short radii. 3/8".
Gold Bond Hi-Abuse XP Gypsum Wall Board
National Gypsum
This unique gypsum board is designed for use in wall assemblies where surface durability, indentation, moisture, and mold/mildew resistance are major concerns. 5/8" Fire-Shield Hi-Abuse XP panels may be used where Type X gypsum panels are specified in some fire-rated wall and floor-ceiling assemblies (e.g., UL U300, U400, V400 and L500 series).
Gold Bond Hi-Impact XP Gypsum Wall Board
National Gypsum
This unique gypsum board is designed for interior use in wall assemblies in areas where surface durability, impact/ penetration, moisture, and mold and mildew resistance are major concerns. 5/8" Fire-Shield Hi-Impact XP panels may be used where Type X gypsum panels are specified in some fire-rated wall and floor-ceiling assemblies.
Gold Bond Hi-Flex Gypsum Wall Board
National Gypsum
High Flex Gypsum Board is specifically designed for radius construction such as curved walls, archways and stairways. It can be used for both concave and convex surfaces. High Flex Gypsum Board is applied in double layers.
Gold Bond Hi-Strength Gypsum Ceiling Board
National Gypsum
High Strength Ceiling Board is specifically designed for ceilings where framing members are spaced up to 24" o.c. and a water-based texture will be used.
Gold Bond Hi-Strength Fire Shield LITE
National Gypsum
5/8" High Strength Fire-Shield LITE — For single- or multilayer drywall construction for fire tested assemblies.
Gold Bond Hi-Strength LITE Gypsum Wall Board
National Gypsum
High Strength LITE Gypsum Board can be used for walls and ceilings in non-fire rated single layer construction where framing members are spaced up to 24" o.c. Because it can be installed on both walls and ceilings, it eliminates the need for two different types of gypsum board on the job.
Gold Bond 1/2" Soundbreak XP Gypsum Wall Board
National Gypsum
For use as single-layer application or as a component of multi- layered wall assemblies where sound transmission between rooms or dwelling units is a concern.
Gold Bond 5/8" Soundbreak XP Gypsum Wall Board
National Gypsum
For use as single-layer application or as a component of multi-layered wall assemblies where sound transmission between rooms or dwelling units is a concern. 5/8" SoundBreak XP panels may be used where Type X gypsum panels are specified in some fire-rated wall and floor-ceiling assemblies (e.g., UL U300, U400, V400 and L500 series).
Gold Bond XP Fire Shield Gypsum Board
National Gypsum
1/2" Fire-Shield C - For single- or multi-layer construction in fire- tested assemblies. 5/8" Fire-Shield - For single-or multi-layer drywall construction. The greater thickness provides increased resistance to fire and reduced sound transmission. 5/8" Fire-Shield C - For single- or multi-layer drywall construction.
Gold Bond XP Gypsum Board
National Gypsum
XP Gypsum Board may be used in all wall and ceiling applications and is ideally suited where enhanced moisture and mold resistance is desired.
Firecheck Type C
Continental Drywall
Firecheck® Type C is a gypsum board enhanced with glass fibers and other materials for premium fire protection for interior walls, ceilings and area separations.
Firecheck Type X
Continental Drywall
Firecheck® Type X is gypsum board enhanced with glass fibers to offer greater strength and fire protection for use in interior walls and ceilings.
LiftLite Gypsum Wall Board
Continental Drywall
LiftLite™ gypsum wallboard is formulated to be significantly lighter than standard gypsum wallboard.
Regular Drywall
Continental Drywall
Regular Drywall is a general-purpose drywall for interior wall and ceiling applications.
Sagcheck
Continental Drywall
Sagcheck® is a strengthened, sag-resistant gypsum board for interior ceiling applications. It is designed to resist sagging under high-humidity conditions and wet-application texturing.
Mold Defense
Continental Drywall
Mold Defense is designed for use in interior wall and ceiling applications and offers enhanced protection against mold and mildew that can cause deterioration and/or stains.
Mold Defense Type X
Continental Drywall
Mold Defense® Type X is a gypsum board enhanced with glass fibers to provide greater strength and fire protection for interior walls and ceilings. It provides enhanced protection against mold and mildew, both of which can cause material deterioration and staining.
Protecta AR 100 Type X with Mold Defense
Continental Drywall
Protecta AR® 100 Type X with Mold Defense® is an abuse-resistant drywall consisting of a fiberglass-enhanced, noncombustible, high-density gypsum core with a reinforced, heavy-facing paper that guards against surface abrasion, indentation, mold and mildew.
Protecta HIR 300 Type X with Mold Defense
Continental Drywall
Protecta® HIR 300 Type X with Mold Defense® is a high impact, fire and mold-resistant drywall that incorporates the proven formulation of our industry-preferred, abuse-resistant board.
DensArmor Plus Interior Panels
Georgia Pacific
DensArmor Plus® gypsum interior panels are ideal for moisture-prone commercial and residential interior spaces. This moisture-resistant wallboard incorporates fiberglass mats front and back, instead of paper facings, and a moisture-resistant core for superior moisture and mold resistance when compared to traditional paper-faced drywall.

Joint Compound

Product Name
Manufacturer
Applications
Data Page
ProForm All Purpose Ready Mix Joint Compount
National Gypsum
All Purpose Joint Compound is designed for tape application, fastener spotting and complete joint finishing of gypsum board. It can also be used to repair cracks in plastered walls, to texture surfaces and to laminate gypsum board to other surfaces such as masonry or other gypsum board.
ProForm LITE Ready Mix Joint Compound
National Gypsum
Lite Joint Compound is designed for use in finishing gypsum board joints, spotting fasteners and finishing cornerbead.
ProForm LITE-Blue Ready Mix Joint Compound
National Gypsum
Lite-Blue is designed for use in finishing gypsum board joints, spotting fasteners and finishing cornerbead.
ProForm Multi-Use Ready Mix Joint Compound
National Gypsum
Multi-Use Joint Compound is designed for tape application, fastener spotting, texturing and complete joint finishintg of gypsum board. It can also be used to repair cracks in plastered walls.
ProForm Topping Ready Mix Joint Compound
National Gypsum
Topping Joint Compound exhibits easy working and spreading characteristics and is suitable for "floating" or finishing taped joints, spotting nail or scew heads and the finish coats over cornerbead. Its sanding characteristics make it preferable as a finishing compound.
Rapid Coat All Purpose Joint Compound
Continental Drywall
Rapid Coat® All Purpose joint compound is a professional-grade, multi-task joint compound, ideal for use in all phases of gypsum-board finishing: taping, finishing, skim coating, texturing, filling corner beads and trim, and concealing nail or screw dimples.
Rapid Coat Joint Compound
Continental Drywall
Rapid Coat® is ideal for use in all phases of gypsum-board finishing: taping, finishing, skim coating, texturing, filling corner beads and trim, and concealing nail or screw dimples.
Rapid Coat Midweight Joint Compound
Continental Drywall
Rapid Coat® Mid Weight is a mid-weight, professional-grade joint compound ideal for use in all phases of gypsum-board finishing: taping, finishing, skim coating, texturing, filling corner beads and trim, and concealing nail or screw dimples.

Joint Tape

Product Name
Manufacturer
Applications
Data Page
ProForm Paper Joint Tape
National Gypsum
ProForm Joint Tape is designed for use with ready mix or setting-type joint compounds and gypsum veneer plaster systems to conceal and rein - force joints of interior walls and ceilings.

Setting Compound

Product Name
Manufacturer
Applications
Data Page
ProForm Quick Set LITE Setting Compound
National Gypsum
Quick Set Lite Compound provides a lightweight, easy to sand finish for fast, smooth joint finishing. Quick Set Lite is specially formulated to provide excellent joint strength, even in poor drying conditions. Quick Set Lite permits heavy fills and faster joint finishing with low shrinkage.

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