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Ardex TLT 103 Building Panel 3'x5'x1/2"

Ardex TLT 103 Building Panel 3'x5'x1/2"

by Ardex
SKU 40074
$250.00 - $1,500.00
$1,500.00
$250.00 - $1,500.00
$1,500.00
Quanity: 50 piece pallet

ARDEX TLT 103 Building Panels are lightweight, waterproof, and built for precision—making them the ultimate substrate for tile and stone in showers, walls, and floors. Each 3' × 5' × ½" panel combines a high-density closed cell foam core with reinforced fiberglass mesh and cementitious waterproof coating, delivering strength, stability, and waterproof performance in one step. Sold here as a 50-piece pallet for professional bulk use.

More Details

Engineered for efficiency and durability, ARDEX TLT 103 Building Panels replace traditional cement board, eliminating the weight, mess, and water absorption of older methods. They’re easy to cut with a utility knife, lightweight to carry, and install with standard fasteners and washers. Perfect for pros who want faster installs and fewer callbacks.

  • Waterproof and vapor-resistant tile backer board
  • Compatible with ARDEX TLT waterproofing membranes, sealants, and adhesives
  • Lightweight foam core reinforced with fiberglass mesh for rigidity and impact strength
  • Ready-to-tile surface—no additional coating or prep required
  • Mold-, mildew-, and rot-resistant
  • Cuts easily with a knife—no dust, no power tools needed
  • Board size: 3' × 5' × ½" (915 × 1525 × 12.5 mm)
  • Sold as a 50-piece pallet (covers 750 sq ft total)
  • Approved for walls, floors, ceilings, countertops, and custom shower builds
Docs
  1. AF492-ARDEX-TLT-Building-Panels-Product-Overview.pdf (Download)
  2. AF491-ARDEX-TLT-Building-Panels-Installation-Guide-for-Walls.pdf (Download)
  3. ARDEX-TLT-SHOWER-SYSTEM-SPECIFICATION.pdf (Download)
  4. ARDEX-TLT-Testing-and-Certifications.pdf (Download)
Shipping & Return Policies

Shipping Policy

Refund & Return Policy

Stronger. Lighter. Smarter Waterproofing.

ARDEX TLT 103 Building Panels form the backbone of modern waterproof tile assemblies. Their rigid yet lightweight structure simplifies installation while providing superior moisture defense and tile bond strength. When paired with ARDEX TLT accessories, they create a continuous, high-performance waterproof system from substrate to surface.

Why Tile Pros Trust It

  • Full waterproof core: No need for additional barrier layers or coatings

  • Lightweight handling: Cuts transport and install time dramatically

  • System integration: Bonds perfectly with ARDEX TLT membranes and sealants

  • Rigid durability: Supports tile and stone without deflection or swelling

  • Pro-grade consistency: Factory-made precision on every sheet for faster, cleaner installations