Kobau Polyethylene Modified Preformed Waterproofing Membrane Inside Corners Pack, 90 Degree, for Shower Ceramic Tile Flooring Underlayment
Kobau Polyethylene Modified Preformed Waterproofing Membrane Inside Corners Pack, 90 Degree, for Shower Ceramic Tile Flooring Underlayment
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Kobau Polyethylene Modified Preformed Waterproofing Membrane Inside Corners Pack, 90 Degree, for Shower Ceramic Tile Flooring Underlayment
Kobau Polyethylene Modified Preformed Waterproofing Membrane Inside Corners Pack, 90 Degree, for Shower Ceramic Tile Flooring Underlayment

Kobau Polyethylene Modified Preformed Waterproofing Membrane Inside Corners Pack, 90 Degree, for Shower Ceramic Tile Flooring Underlayment

Kobau
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Kobau preformed waterproofing membrane inside corners are made from durable polyethylene and designed for seamless 90 degree corner sealing in showers, bathrooms, and wet areas. These flexible, single-piece corners bond securely with thin-set mortar to underlayment membranes, eliminating the need for complex cutting. Ideal for shower floors, walls, tub surrounds, and steam rooms, they provide reliable waterproofing, prevent leaks, and simplify installation for both professionals and DIY users.

Price:
$35.02 CAD

Shipping Policy

For Bulk Pricing and Contractor Discounts, Please Contact Us!

09 May. Estimated arrival
06 May. Order placed
07-08 May. Order dispatches
09 May. Delivered!

Description

Product Features:

  • Seamless Waterproof Design: Single-piece polyethylene construction eliminates weak points from cutting, ensuring consistent waterproof protection in critical corner areas.
  • Secure Thinset Bonding: Engineered to firmly adhere to underlayment membranes using thin-set mortar for a reliable and long-lasting waterproof seal.
  • Precision 90 Degree Fit: Manufactured with exact angles to perfectly match inside corners in showers, tubs, and wet areas for fast and accurate installation.
  • Flexible and Pliable Material: Soft, adaptable structure allows easy placement and strong conformity to surfaces without tearing or compromising integrity.
  • Versatile Application Range: Suitable for bathroom floors, shower walls, tub surrounds, steam rooms, and commercial environments requiring vapor control.
  • Leak Prevention Performance: Designed to block water infiltration at vulnerable junctions, protecting structures from moisture damage, mold, and deterioration.
  • Time Saving Installation: Preformed design removes the need for on-site cutting, reducing labor time while improving installation consistency and accuracy.
  • Tile System Compatibility: Works seamlessly with ceramic, porcelain, marble, granite, mosaic, glass, and natural stone tile installations.
  • Durable Polyethylene Build: High-quality material ensures long-term performance, maintaining waterproofing integrity throughout the life of the installation.
  • Ideal for DIY and Pros: Easy to install design supports both professional contractors and home improvement users seeking efficient waterproofing solutions.

Product Description:

Kobau polyethylene preformed waterproofing membrane inside corners are an essential component for achieving reliable, long-lasting waterproofing in tiled wet areas. Designed specifically for 90 degree inside corners, these seamless pieces eliminate the need for complicated cutting and folding on the jobsite, ensuring a clean and consistent installation every time. By addressing one of the most vulnerable areas in any waterproofing system, these corners provide a dependable barrier against water infiltration in showers, bathrooms, and other moisture-prone environments.

Crafted from high-quality polyethylene, these waterproofing corners are both durable and flexible, allowing them to conform easily to different surfaces without compromising strength. Their pliable structure ensures smooth application while maintaining a tight seal when bonded with thin-set mortar adhesive. This secure adhesion to underlayment membranes creates a continuous waterproof layer that enhances the overall integrity of your tile installation system.

These inside corners are ideal for a wide range of applications, including shower floors, shower walls, bathtub surrounds, and steam rooms. Whether used in residential bathrooms or commercial settings such as restaurants, galleries, and spa facilities, they provide consistent vapor-retarding performance where it matters most. Their precise 90 degree design ensures a perfect fit in corners, reducing installation errors and improving overall efficiency on the job.

Installation is straightforward and efficient. Simply apply thin-set mortar to the substrate, position the preformed corner into place, and embed it securely into the waterproofing membrane system. This method eliminates the need for time-consuming customization while ensuring a professional-grade finish. The result is a watertight seal that integrates seamlessly with tile underlayment systems and supports a wide variety of tile materials.

Whether you are a professional contractor or tackling a DIY renovation, Kobau waterproofing membrane inside corners offer a practical and effective solution for protecting your space from water damage. By simplifying installation and delivering dependable performance, they help ensure that your shower or wet area remains secure, durable, and visually flawless for years to come.

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