KERDI Waterproofing Tile Membrane

A sheet-applied polyethylene waterproofing membrane and vapor retarder for tiled showers, walls, and floors. The KERDI membrane features a PEVA core with non-woven polypropylene fleece to bond securely with thin-set mortar, preventing water damage and mold. Ideal for fast, reliable waterproofing beneath ceramic and stone tile installations.

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Key Features:

• Superior Waterproofing: Sheet-applied PEVA membrane with polypropylene fleece stops leaks and moisture intrusion
• Strong Thin-Set Bond: Anchoring fleece on both sides ensures secure adhesion and long-term performance
• Mold and Mildew Prevention: Blocks water to protect substrates and indoor air quality
• Consistent Thickness: 8‑mil membrane provides uniform coverage for predictable results
• Fast Installation: Wide rolls minimize seams; tiles install directly using the thin-bed method

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Specifications Table:

Specification	Details
Membrane type	Sheet-applied bonded waterproofing membrane and vapor retarder
Core material	Modified polyethylene (PEVA)
Fleece	Non-woven polypropylene on both sides
Thickness	8 mil
Application	Used under ceramic and stone tile on walls and floors; tiles installed using thin-bed method
VOC compliance	Meets California Specification 01350 requirements
Weight (reference)	1.94 lb (as listed)

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Frequently Asked Questions (FAQ):

Q: Can I install tile directly over KERDI?
A: Yes. Tiles can be installed directly on KERDI using the thin-bed method with thin-set mortar.

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Q: Where can KERDI be used?
A: Use on walls and floors in showers and other wet areas as a bonded waterproofing membrane under ceramic or stone tile.

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Q: What is the membrane thickness?
A: KERDI is 8 mil thick, providing uniform coverage across the installation.

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Q: Is KERDI low-VOC?
A: Yes. It complies with California Specification 01350 VOC requirements.

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Q: What is the material composition?
A: A modified polyethylene (PEVA) core with non-woven polypropylene fleece on both sides.

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A Seamless Shield for Spa‑Caliber Showers

KERDI wraps your shower in a quiet confidence—an elegant, ultra-thin barrier that invites luxe tile to shine. The signature orange grid and soft fleece backing speak to precision and craftsmanship, creating a clean canvas for bold stone or sleek porcelain. Pair it with oversized slabs and a linear drain to achieve a gallery-like, uninterrupted expanse. It’s the invisible essential that elevates everyday rituals into modern luxury.

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Protect your next tile project with KERDI and enjoy a watertight, mold-resistant installation that lasts.