KERDI 54-sq ft Waterproofing Membrane

A sheet-applied polyethylene (PEVA) waterproofing and vapor-retarding membrane for tiled walls and floors. KERDI’s non-woven polypropylene fleece anchors securely in thin-set mortar to create a continuous, mold-resistant barrier in showers and wet areas.

Key Features:

• Reliable Waterproofing: Sheet-applied PEVA membrane with vapor retarding performance to prevent water damage, mold, and mildew.
• Thin-Set Bonding: Non-woven polypropylene anchoring fleece on both sides for strong adhesion in mortar.
• Uniform Thickness: 8‑mil construction ensures consistent coverage and dependable protection.
• Fast Installation: Gridlined surface and wide roll options reduce seams and speed layout in showers.
• Versatile Use: Designed for walls and floors under ceramic or stone tile; compatible with thin-bed installations.

Specifications Table:

Frequently Asked Questions (FAQ):

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

Q: Is KERDI suitable for shower walls and floors?
A: Yes. It is ideal for waterproofing tiled surfaces on both walls and floors in showers and other wet areas.

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

Q: Does KERDI help with vapor control?
A: Yes. It acts as a vapor retarder, helping manage moisture in wet environments.

Q: What materials is KERDI made of?
A: A modified polyethylene (PEVA) core with non-woven polypropylene fleece on both sides.

Seamless Spa-Worthy Waterproofing

KERDI drapes your shower in a quiet confidence—an elegant, gridlined veil that disappears behind tile yet defines the space. Its uniform 8‑mil profile and crisp orange tone speak to precision and craft. Pair it with large-format stone or sleek porcelain to celebrate clean planes and uninterrupted surfaces. This is the invisible luxury that elevates bathrooms from everyday to exceptional.

Protect your next tile project with KERDI’s proven waterproofing—add it to your cart and build a shower that lasts.