What’s the Difference Between Caulking and Silicone? (And Why It Matters for Your Tiles)
When it comes to maintaining your tile, grout and sealed surfaces in a home in Toronto, North York or the surrounding Greater Toronto Area, one small detail can make a big difference: the sealant you use. Many homeowners use the terms caulking and silicone interchangeably, but the two are not exactly the same.
Caulking: The General Sealant
“Caulk” is a general term for materials used to fill gaps or seal joints between surfaces—think around tile floors, baseboards, window perimeters, kitchen backsplashes, or tubs. Its main purpose is to keep out water, air, and dirt while giving your home a clean, finished look.
Different types of caulks suit different jobs:
Acrylic (latex) caulk: paintable and easy to clean up; ideal for dry areas like trim or crown-moulding.
Siliconized acrylic caulk: acrylic mixed with a little silicone; easier to apply and more water resistant than plain acrylic.
Silicone caulking/sealant: the specialist option for wet zones (more below).
Silicone: The Waterproof Specialist
Silicone is a specific type of caulking made from rubber-like synthetic compounds. It’s 100 % waterproof, flexible, and durable, making it especially suited to tiled showers, bathtubs, wet room floors, kitchen splashbacks and other high-moisture zones.
Key features:
Won’t crack or shrink when surfaces move (such as tile or grout lines)
Resistant to mould and mildew when applied correctly
Not paintable, so not ideal where you want to match trim colour
Requires a bit more skill and proper surface prep for proper adhesion
Why the Right Choice Matters for your Home in Toronto
Using the wrong sealant—say, standard acrylic caulk in a shower corner, can lead to water intrusion, mould growth, or damaged grout lines over time. At FGS Tile & Grout Cleaning & Restoration, our expert team removes old caulk or silicone, cleans the tile and grout substrate, and applies professional-grade silicone sealant and specialist caulking tailored to the area and material. This ensures your tile surfaces remain watertight and visually appealing long-term.
Pro Tip:
If you spot cracked, discoloured or peeling sealant around your shower or tub, it’s time for a fresh application. Reach out to FGS for an on-site consultation (covering Toronto – GTA, The Durham Region, North York, Markham, Vaughan, Durham Region).
Protect your home, prevent leaks, and maintain the beauty of your tile & grout surfaces.