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Johns Manville GoBoard 1/2 in Waterproof Tile Backer Board, 3x5 ft

Backer Boards

Cement backer board gives tile a rigid, moisture-stable surface to bond to — essential for floors, countertops, and wet walls. Browse standard and lightweight boards in common thicknesses, plus the screws and tape to install them right. Build a base that won't fail.
  • 401063 77817

    Johns Manville GoBoard 1/2 in Waterproof Tile Backer Board, 3x5 ft

    T401063

    $3699
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  • 401045 40260

    USG Durock NextGen 1/2 in Cement Board, 3x5 ft

    T401045

    $1729
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  • 401009 18862

    Fiberock 1/4" Backer Board 3 x 5 ft

    T401009

    $1699
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  • 401077 67697

    USG Fiberock Aqua-Tough Tile Backerboard, 0.42 in x 3x5 ft

    T401077

    $1629
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  • 408163 07330

    Schluter Kerdi-Board 1/2" x 48" x 96" Panel

    T408163

    $14364
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  • 408159 34472

    Schluter Kerdi-Board 2" x 24-1/2" x 96" Panel

    T408159

    $10737
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Shop Tile Backer Board: Cement, Fiber & Foam Panels

Backer board gives tile a rigid, moisture-stable substrate that drywall can't. This collection carries the three main families: USG Durock cement board, Fiberock fiber-reinforced panels, and lightweight waterproof foam boards from Johns Manville GoBoard and Schluter Kerdi-Board — plus the screws, washers, and mesh tape to install them right.

Choosing a Backer Board

  • Cement board (Durock) — the rugged, economical standard for floors and walls.
  • Fiber panels (Fiberock) — smooth, score-and-snap installation with no mesh surface.
  • Foam boards (GoBoard, Kerdi-Board) — featherweight, waterproof out of the box, ideal for showers.

Why Buy Backer Board from Tile Outlets of America

Board, fasteners, seam treatment, and mortar in one trip, at outlet prices from our Florida warehouses. With three Florida Flooring Supercenters in Fort Myers, Sarasota, and Tampa, you can see products in person and get advice from people who install tile every day.

Frequently Asked Questions

Can I tile directly over drywall instead of backer board?
Only in dry areas like a backsplash. In showers, tub surrounds, and floors, use backer board — drywall loses strength when wet and won't hold tile long-term.
Cement board vs. foam board — which should I use?
Cement board (Durock) is rugged and economical but needs a separate waterproofing layer in wet areas. Foam boards (GoBoard, Kerdi-Board) are waterproof out of the box, a quarter of the weight, and cut with a utility knife — you pay more per sheet but skip the membrane step on walls.
Do backer board seams need treatment?
Yes. Cement and fiber boards get alkali-resistant mesh tape bedded in thinset. GoBoard seams get GoBoard Pro Sealant; Kerdi-Board seams get KERDI-BAND or KERDI-FIX in wet areas.
What screws do I use for backer board?
Corrosion-resistant backer board screws made for the material — Durock screws for cement board, GoBoard fasteners for GoBoard, and Kerdi-Board screws with washers for Kerdi-Board. Drywall screws will corrode and fail.

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