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Remove Old Seal and Clean Flange — Prepare the Work Area and Clean the Flange

Beginner

Part of project

How to Install a Toilet Flange Extender · Step 1 of 6

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In this video

After removing the toilet, you will see the floor flange and the old seal. The video shows a rubber seal, but typically you will find a wax ring. Scrape off all remnants of the old wax ring from the flange and the bottom of the toilet using a putty knife. Clean the area thoroughly.

Goal: Toilet Removal

Used in this video

  • Putty Knife (Scraper Type: Putty knife) — Scraping off the old wax seal from the floor flange and the base of the toilet.
65.2K views15810 minutes
Lowe's Home Improvement

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FAQs

Why is a toilet flange extender needed, and what's the typical time commitment for this beginner-level project?

A toilet flange extender like the Oatey 1/4 in. PVC Toilet Flange Spacer is needed when new, thicker flooring causes your existing flange to sit below the finished floor level, preventing a leak-proof seal. This project is considered beginner-friendly, mainly requiring basic hand tools and careful attention to detail. Expect to dedicate 1-2 hours for the installation once the toilet is removed and the area is prepped.

Which specific tools and materials are most critical for successfully installing the flange extender and ensuring a leak-proof seal?

Key tools include a Husky 10 in. Adjustable Wrench for bolts, an HDX 6-in-1 Screwdriver, and a JES 10 oz. 12:1 Caulk Gun for the silicone sealant. Crucial materials are the Oatey 1/4 in. PVC Toilet Flange Spacer itself, an Everbilt Extra Thick Toilet Wax Ring with Plastic Horn, and Everbilt 1/4 in. x 2-1/4 in. Toilet Floor Bolts for securing everything.

What are the biggest mistakes to avoid during installation to prevent future leaks?

The most common mistakes are failing to thoroughly clean and dry the existing flange before applying silicone, or neglecting to dry-fit the extender to ensure it's flush with the finished floor. Always use a fresh, high-quality Everbilt Extra Thick Toilet Wax Ring and ensure the closet bolts are tightened evenly without over-tightening, which can crack the toilet base.

What essential safety steps should I take before and during the flange extender installation?

Always begin by shutting off the water supply to the toilet and flushing to empty the tank and bowl completely. Wear FIRM GRIP Pro Cleaning Disposable Nitrile Gloves for hygiene and protection. Be mindful of lifting the toilet, which can be heavy, and ensure a stable, dry work area to prevent slips.

Transcript
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And typically you're gonna have a Wax seal now mine has a rubber seal because we're here in my showroom and sometimes we have to replace them Now you're ready to Replace that seal

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