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Ardex TLT Waterproof Seam Tape

Ardex TLT Waterproof Seam Tape

by Ardex
SKU 40063
$31.69 - $76.59
$31.69
$31.69 - $76.59
$31.69
Size: 5" x 32.8 ft.

ARDEX TLT Waterproof Seam Tape creates strong, flexible, and watertight joints between ARDEX TLT waterproofing components. Designed for use with ARDEX membranes, boards, and accessories, it delivers the professional-grade seal that keeps moisture out and confidence in. When your waterproofing is on the line, this is the tape pros trust to tie it all together.

More Details

This high-performance seam tape reinforces every joint, corner, and connection in shower and wet-area assemblies. With its flexible, fleece-lined design, it bonds easily to thinset and waterproof adhesives—making it a perfect match for ARDEX TLT membranes, niches, benches, and shower trays.

  • Reinforcing seam tape for waterproofing and vapor control in tiled wet areas
  • Compatible with all ARDEX TLT waterproofing and sealing systems
  • Flexible, fleece-backed design ensures full coverage over joints and corners
  • Prevents water migration behind tile and stone finishes
  • Easy to embed with thinset or approved Ardex adhesive
  • Mold- and mildew-resistant waterproof layer
  • Roll length: 5" × 32.8 ft (125 mm × 10 m) and 5" × 98.5 ft (125 mm × 30 m) available
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The Backbone of a True Waterproof System

ARDEX TLT Waterproof Seam Tape is the unseen hero of every watertight installation. It bridges gaps, reinforces seams, and ensures long-term durability in any wet-area build—pairing perfectly with ARDEX membranes for continuous protection from floor to ceiling.

Why Tile Pros Trust It

  • Seals every seam: Locks out moisture at critical joints and overlaps

  • System perfect: Engineered to bond with ARDEX TLT membranes and adhesives

  • Flexible strength: Moves with the substrate without compromising the seal

  • Fast and easy: Installs quickly with thinset or waterproofing compound

  • Proven reliability: Delivers lasting waterproof performance backed by ARDEX engineering