Toilet installation requires removing the old unit, inspecting the floor flange, securing the new flange with bolts, attaching the tank to the bowl, connecting water supply lines, and installing the seat with a water supply adapter. Sealant application involves cleaning the base and flange, applying silicone caulk around the flange, and curing it per manufacturer guidelines. Always check local plumbing codes and use EPA-approved sealants to prevent leaks.

Proper toilet installation and sealant application are critical to preventing water waste and structural damage. The U.S. Environmental Protection Agency (EPA) estimates that 1 in 50 toilets leaks an average of 200 gallons of water monthly, costing homeowners up to $200 annually. Leaks often result from loose bolts, worn flanges, or improper sealant installation, which can lead to mold growth and floor damage. A 2021 study in the Journal of Building Engineering found that 68% of toilet failures in residential settings were due to密封 issues, emphasizing the need for precise sealant application. High-quality silicone sealant, such as those meeting ASTM C920 standards, resists moisture and compression set, ensuring long-term durability. Additionally, the International Association of Pluming Engineers (IAPLE) reports that homes with correctly installed sealants experience 30% fewer plumbing repairs over five years, saving an average of $500 in maintenance costs. Proper installation also aligns with energy efficiency goals, as the EPA’s WaterSense program highlights that fixing leaks can reduce household water use by 10%. Thus, following best practices during installation and sealant application safeguards both property value and environmental resources.