Toilet Renovation Vol.24: Silicone Caulking

u270fufe0f Originally published: 2017-01-28 / ud83dudd04 Updated: May 8, 2026

2026 Update from DIY Dad: Toilet Complete! u2014 From Accessories to Finish

With the toilet bowl set in place, it’s time for the final accessories. Once the paper holder, towel ring, and washlet are installed, the toilet is done. ^ ^

Why Silicone Caulking Is Important

Apply a silicone bead along the joint between the toilet base and the floor. This isn’t just cosmetic u2014 it prevents dirt and moisture from working under the toilet.

Before Caulking

1. Mask around the toilet with tape
2. Apply silicone caulk evenly
3. Smooth with a finger (or dedicated spatula)
4. Peel off masking tape immediately u2014 before it dries

Use a silicone-type caulk with mold inhibitor for wet areas. m(_ _)m

Wall Shelf Installation

I installed a wall-mounted shelf for spare toilet paper and small items, anchored with bolts.

Tip for diatomaceous earth plaster walls: The material is brittle u2014 over-tightening anchor screws will cause it to crumble. “Hand-tight plus a small snug turn” is the right amount.

Toilet Renovation Total Cost

Total materials: approx. u00a5120,000 (toilet u00a580,000 + wainscoting u00a530,000 + vinyl/plaster etc. u00a510,000). Contractor quote: u00a5400,000u2013u00a5600,000. DIY cut costs dramatically.

24-Hour Emergency Plumbing u2014 Water Rescue Squad u00bb

Marutoku Shop | Wainscoting & Lumber u00bb

Hello, I’m DIY Dad. ^ ^
Bath time is freezing cold this time of year, isn’t it? DIY Dad is planning to add an inner window to improve things. I spotted a DIY inner-window kit at the home center u2014 quite interesting! It lets you build a custom-sized inner window yourself. I ended up installing one in the bathroom u2014 I’ll write a separate post on that. ^ ^

For now u2014 continuing the 1st-floor toilet renovation series. This is the last finishing touch before completion.

I changed the floor material to cushion floor (vinyl sheet). Even so, rot around the toilet base will eventually happen u2014 caused by dust and moisture seeping into the gap between the toilet and the floor. To make that less likely, I’m sealing the gap with silicone caulk. Materials used: silicone caulk (mold-resistant) and masking tape.

Silicone caulk (with mold inhibitor).

Apply masking tape. Apply the caulk bead. Shape it u2014 DIY Dad uses a finger rather than a spatula. Peel off the masking tape. Done. ^ ^

The caulk bead.

The caulk bead.

Unless you’re a professional, you probably don’t get many chances to install toilets yourself. It was a great learning experience for DIY Dad. ^ ^

That’s all for today! (^^)/~~~

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