Selleys Sealants

Selleys has been Australia's most trusted brand in sealants and fillers for decades — recognised in the Reader's Digest Annual Trusted Brands Awards year after year. Whether you're sealing a bathroom, weatherproofing a roof, filling gaps around skirting boards, or tackling a professional construction job, there's a Selleys sealant engineered for the task.

The Selleys Sealants Range

Wet Area Silicone

Designed for bathrooms, kitchens, and laundries — anywhere moisture is a constant. Selleys Wet Area Silicone creates a waterproof, flexible seal that resists mould, won't shrink or crack, and holds up under repeated exposure to water and steam.

Available in a wide range of colours including Brilliant White, Clear, Black, Charcoal, Light Grey, Dark Grey, Mocha, Off White, and Ivory — in sizes from 75mL tubes through to 300g cartridges and multi-packs. There's also a dedicated No Mould Silicone Sealant formulation for areas prone to mould growth.

Best for: Bath surrounds, shower recesses, splashbacks, basin edges, laundry tubs.

No More Gaps — Gap Fillers

Australia's most recognised gap filler range. No More Gaps products fill and seal cracks around skirting boards, cornices, window and door frames — leaving a smooth, paintable finish.

The range covers every situation:

• No More Gaps Interior — available in colour-matched options including Coffee, Cream, Charcoal, Light Grey, and a range of Dulux-matched tones (Hog Bristle Half, Timeless Grey, Natural White and more)
• No More Gaps Bathroom & Kitchen — waterproof, flexible formulation for wet areas
• No More Gaps Exterior — UV-stable flexible gap sealant for outdoor use
• No More Gaps Interior Fast Dry — when you need to paint over quickly
• No More Gaps Timber Floors — colour-matched to timber floor tones (Baltic, Hardwood, Jarrah, Walnut) for invisible repairs
• No More Gaps Bricks & Mortar — flexible pointing and gap-sealing for masonry

Best for: Interior and exterior renovation, tiling work, timber flooring repairs, weatherproofing.

Multi-Purpose Sealants

When you need a sealant that works across multiple substrates and conditions, Selleys multi-purpose options deliver:

• Selleys 635 Multipurpose Elastic Sealant — clear, flexible, elastomeric. Excellent for glass, metal, timber, and masonry
• Selleys 630 Low Modulus Flexible Sealant — designed to absorb movement in joints without cracking
• Selleys All Clear — crystal clear silicone for glass and transparent applications
• Selleys FlexiSeal — general purpose flexible sealant for a broad range of surfaces

Construction Sealants

For trade and professional applications, Selleys offers a suite of high-performance construction sealants:

• Selleys Pro Trade Joint Sealant FC — flexible construction joint sealant for facades and cladding
• Selleys Paint Over Sealant — designed to be painted over without lifting or cracking
• Selleys Storm Sealant — immediate waterproof seal on wet or dry surfaces; ideal for roofs, gutters, and exterior joints. Available in Black, Grey, and White
• Selleys 625LM Low Modulus Flexible Sealant — elastomeric sealant that cures with humidity, suitable for movement joints in commercial construction

Roofing Sealants

• Selleys Storm Sealant — professional waterproofing for roofing and gutters, bonds to virtually any material wet or dry
• Selleys Roof and Gutter Spray Seal — fast spray-on waterproofing for gutters, flashings, and roof penetrations

Fire Rated Sealants

When compliance and life safety matter, Selleys fire-rated sealants are engineered to maintain fire-resistance ratings in construction joints and penetrations:

• Selleys Fireblock — fire-resistant sealant for rated construction applications
• Selleys Fireblock XT — extended performance fire resistant sealant for larger penetrations
• Selleys FlameFlex — fire-resistant joint sealant for exterior applications; available in cartridge and sausage format (435g / 600mL)
• Selleys Fireblock AC — fire-rated sealant for acoustic and fire-rated wall systems
• Selleys Fireblock PB — fire-resistant adhesive sealant for fibre cement wall systems
• Selleys ProSeries AcrySeal — flexible sealant for fire-rated joint applications

Auto Sealants

For automotive applications, Selleys Auto Fix sealants provide reliable bonding and sealing in engine bays and vehicle exteriors:

• Selleys Auto Fix Instant Gasket Silicone RTV (Black) — high-temperature silicone for engine gaskets and seals
• Selleys Auto Fix Windscreen Sealant — bonds and seals automotive glass
• Selleys Auto Fix Marine Sealant — waterproof sealant for marine and automotive applications

Glass Sealants

• Selleys All Clear — pure silicone for glazing and glass applications; remains clear over time
• Selleys 635 Multipurpose Elastic Sealant Clear — structural glazing and glass joint sealing

How to Choose the Right Sealant

Why Selleys

Selleys has been manufacturing in Australia since 1939 and is part of the DuluxGroup. Every product in the sealants range is backed by comprehensive technical data and safety documentation — making Selleys the professional's choice and the homeowner's go-to for reliable, lasting results.

Browse the subcategories below to find the right sealant for your project.