GURU W-S PEEL & STICK PATCH

GURU W-S Peel & Stick Patch is a 4" x 4", 20mil self-adhesive waterproofing patch designed for sealing fastener penetrations on wall-only tile backerboard installations. Supplied in a pack of 100.

Featuring a 4” x 4” square format and a 20mil thickness, the GURU W-S Peel & Stick Patch delivers consistent, uniform coverage at critical fastening locations. Its peel-and-stick design eliminates the need for liquid or sheet membrane patching, simplifying installation and reducing application time as part of a complete waterproofing system.

Ideal for professional installers and contractors, this patch supports long-term moisture protection and contributes to a durable, well-sealed wall assembly.

Key Features

Peel-and-Stick Backing
Self-adhesive design allows direct application without additional products.

Fastener Waterproofing
Designed to seal screw holes and fastener penetrations.

Consistent Thickness
20mil thickness uniform moisture protection at fastening points.

Wall-Only Application
Intended exclusively for waterproof backerboard wall installations.

Bulk Packaging
Includes 100 patches for large projects or repeated use.

Specifications

Brand: GURU
Product Name: W-S Peel & Stick Patch
Size: 4” x 4”
Thickness: 20mil
Type: Self-Adhesive Waterproofing Patch
Application: Walls only
Quantity: 100 patches

Frequently Asked Questions

Is this patch suitable for floor applications?
No. GURU W-S Peel & Stick Patch is intended for wall-only waterproofing assemblies.

What is the main purpose of this patch?
It is designed to seal fastener penetrations, such as screw holes, to prevent moisture intrusion.

Does it require liquid membrane or additional tape?
No. The patch features a self-adhesive backing and installs directly without additional waterproofing products.