Lastly, pure silicone sealants cannot be painted. So if the job involves water, silicone is your go-to. It's perfect for waterproofing joints between tile, plumbing fixtures, sinks, tubs ...

Silicone seal, the white rubbery substance found around sinks, showers and bathtubs, can be a real challenge to clean. While mould can't grow on the waterproof sealant itself, moisture can ...