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The Closet Flange Extension Kit - 1018K is a practical, ready-to-use solution for correcting flange height issues during toilet installations or bathroom remodels. When new flooring raises the level of your bathroom floor, or when an existing flange sits too low, this kit ensures a proper seal and a secure toilet base, preventing leaks and instability.
The 1018K kit includes everything you need for a professional-quality installation:
3 self-sealing extenders that stack together as needed to achieve the perfect height.
¼" x 3½" solid brass closet bolts designed for strength and durability.
Nuts and washers to secure the toilet firmly in place.
This all-in-one design eliminates the need for multiple trips to the hardware store, saving time and ensuring you have the correct components on hand.
Each extender in the kit is designed with a self-sealing gasket, providing a watertight and odor-proof seal without the need for messy caulk. This simplifies the installation process and provides peace of mind that your toilet is properly sealed against leaks. The ability to stack extenders means you can customize the height adjustment for any installation scenario.
The included ¼" x 3½" closet bolts are made from solid brass, chosen for their superior strength and resistance to corrosion. Unlike cheaper alternatives that rust or snap over time, these bolts provide reliable anchoring for the toilet, ensuring long-term stability. Paired with the included nuts and washers, they create a secure and professional installation every time.
Improper flange height is one of the most common problems faced during toilet installations. If the flange sits below the finished floor level, it can compromise the wax ring seal and result in leaks, rocking toilets, or foul odors. The 1018K Extension Kit solves these issues quickly and efficiently by bringing the flange back to the correct height.
Typical situations include:
New flooring installations (tile, vinyl, or laminate) raising the floor level above the flange.
Older homes where the flange has settled or shifted.
Remodels or renovations where changes in flooring thickness require flange adjustments.
Raises flange height for proper toilet seating.
Provides a watertight, odor-proof seal.
Includes durable brass bolts for stability.
Stacked self-sealing extenders allow flexibility.
Prevents costly water damage from leaks.
This kit is suitable for:
Professional plumbers who want a reliable, efficient solution on the job.
DIY homeowners performing their own toilet installation or bathroom renovation.
Property managers who need a quick and dependable fix for tenant bathrooms.
With self-sealing extenders and all hardware included, the 1018K kit makes flange adjustment straightforward. Simply position the required number of extenders, insert the bolts, and secure them with the nuts and washers provided. The result is a solid, watertight connection that restores proper toilet function and stability.
By combining convenience, quality, and durability, the Closet Flange Extension Kit - 1018K is an essential item for every plumbing toolkit.
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