When applying sealant, achieving a clean and professional finish is almost impossible without the right tool. A sealant finishing tool is designed to smooth joints and cracks, trim away excess, and create a watertight, durable finish that looks as good as it performs.

Sealant tools come in different shapes and angles to handle every type of joint, from straight lines to awkward corners. Since most modern sealants are waterproof, airtight, and resistant to mould, they are essential for glazing, bathrooms, kitchens, and general construction. Silicone sealant is especially popular because it’s flexible, UV stable, temperature resistant, and long-lasting, making it one of the most versatile materials on any job.

Sealants play a vital role in keeping out air, water, dust, and debris. By sealing windows, bathrooms, and kitchens, they improve comfort, prevent draughts, and even boost energy efficiency. But applied straight from the tube, sealant is often messy and uneven. Without a finishing tool, you risk air bubbles, gaps, and leaks. The right tool smooths the bead instantly, leaving a neat and consistent seal.

At GGR Glass, we stock a full range of professional finishing tools designed for every type of project.

The Angular Sealant Finisher is lightweight, flexible, and perfect for awkward corners and edges. Made from non-stick plastic, it allows you to create accurate, tidy seals even in hard-to-reach areas.

For adhesive applications, the Mastic Sealant Finisher is the tool of choice. Ideal for countertops, shower screens, and laminate flooring, it delivers a smooth finish on flexible mastics. Waterproof exterior mastics can also be finished neatly with this tool, making it just as useful for outdoor jobs.

The Sealant Jointing Tool creates flush, straight-edged seals with ease. Strong yet lightweight, it won’t damage glass and can even be mounted on a pole for sealing vertical joints and overhead areas. It’s an essential for any professional glazier.

If you want versatility, the Sealant Finisher Tool Set includes four differently shaped finishers that cover everything from narrow bathroom joints to larger expansion gaps. Compact and simple to use, it’s a cost-effective addition to any toolkit.

For an all-in-one solution, the Glazing Tool Kit with Bag is the most practical choice. It includes finishing tools, scrapers, and accessories in a durable carry bag, giving you everything you need to apply, finish, and maintain sealant on-site.

Sealant finishing tools aren’t just nice-to-have extras — they are the key to professional results and long-lasting protection. At GGR Glass, we make it easy to choose the right tool for every sealing job, whether you’re working indoors, outdoors, or at height. Browse our full range today and achieve a smooth, reliable seal every time.