Oatey K836-22 Toilet Tank Liner Kit 16x48 in

Product Description

The OATEY K836-22 is a closed-cell foam anti-condensation liner kit designed to prevent moisture buildup on the exterior of toilet tanks. When cold water sits inside a porcelain tank, warm ambient air contacts the outer surface and causes condensation to form. Left unaddressed, that dripping moisture damages flooring and subfloor materials over time. This liner installs directly inside the tank, creating a thermal barrier between the cold water and the tank wall. The self-adhesive backing eliminates the need for separate adhesive, making installation straightforward for plumbers and knowledgeable DIYers alike. Each kit provides 16 inches by 48 inches of foam material, enough to line a standard residential toilet tank.

This liner kit is well suited to residential installations where condensation is a recurring problem, particularly in homes supplied by well water, which tends to run colder than municipal supply. High-humidity climates and seasons compound the issue, making a tank liner an effective first line of defense. Plumbers often recommend this solution during service calls where a homeowner reports wet floors around the toilet without any visible leak at the supply line or wax ring. The kit is sold as a single unit and is intended for one toilet tank per kit.

Key Features

• Closed-cell foam construction creates an effective thermal barrier to reduce tank sweating
• Self-adhesive backer allows tool-free installation with no separate glue required
• 16 inches by 48 inches of material covers a standard residential toilet tank interior
• Particularly effective in homes with well water or high ambient humidity
• Helps protect flooring and subfloor from chronic moisture damage caused by tank condensation

Compatibility

Designed as an OEM-style replacement liner for standard residential toilet tanks where anti-condensation treatment is required.

Installation Notes

Installation is performed by a plumber or qualified DIYer. Before beginning, shut off the water supply at the stop valve and flush the tank completely to drain residual water. The tank interior must be thoroughly dried before applying the self-adhesive foam panels, as moisture on the tank wall will prevent proper adhesion. Allow adequate cure time before restoring water supply per the adhesive manufacturer's guidance.

Technical Specifications

• Material: Closed-cell foam
• Liner Dimensions: 16 inches x 48 inches
• Weight: 0.37 pounds
• Adhesive: Self-adhesive backer, no additional glue required
• Sold As: Each
• UPC: 00046224052418

Standard Information

• Brand: OATEY
• Manufacturer Part Number: K836-22