Business Details
50+ Years
experience
Trusted Waterproofing & Sealing Solutions in Australia
Crommelin is a leading Australian manufacturer of premium waterproofing membranes, concrete and stone sealers, paint, and specialty coatings with over 60 years of industry experience. Established in 1957, the company combines international expertise with locally made products to serve commercial construction and home improvement markets across Australia, New Zealand, and Asia. Our team of in-house industrial chemists continuously develops technically advanced coating solutions, ensuring compliance with ISO 9001 standards for quality and reliability.We collaborate closely with architects, trade professionals, and DIY customers, supported by a national team of industry specialists. Our commitment to innovation and service excellence ensures high-performance products tailored to diverse projects, from residential driveways to large-scale infrastructure. With 7-day technical support and a focus on sustainability, Crommelin delivers durable, high-specification systems backed by expert guidance and warranties up to 20 years.
Services
Waterproofing Membranes
Concrete Sealers
Decorative Paints
Timber Coatings
Specialty Fillers
Details
- Year established: 1957
Highlights and features
- We have over 60 years of experience in waterproofing and coating solutions.
- Our products are ISO 9001 certified for quality and reliability.
- We employ in-house industrial chemists for advanced product development.
- Our national team provides expert support for commercial and DIY projects.
- We offer 20-year warranties on select waterproofing systems.
Associations and certifications
- ISO 9001
Services
Waterproofing Membranes
Crommelin's waterproofing membranes provide durable protection for bathrooms, balconies, and infrastructure projects. Engineered to exceed Australian standards, these liquid-applied systems offer design flexibility and long-term performance. Ideal for commercial and residential applications, they prevent water ingress while ensuring compliance with building codes.
Concrete Sealers
Our concrete sealers enhance durability and aesthetics for driveways, patios, and industrial floors. Formulated to resist stains, UV damage, and abrasion, they extend surface lifespan while maintaining a polished finish. Available in wet-look and natural finishes, suitable for both indoor and outdoor use.
Decorative Paints
Crommelin's decorative paints combine waterproofing technology with vibrant aesthetics. Fix & Finish Colour offers 100% waterproof protection in designer tints, ideal for rejuvenating exterior walls. These paints prevent cracking and efflorescence while adding visual appeal to residential and commercial structures.
Timber Coatings
Sikkens timber coatings protect and enhance natural wood surfaces with translucent, UV-resistant finishes. Trusted by professionals, these products nourish timber while resisting weathering and decay. Suitable for decks, cladding, and interior joinery in residential and commercial settings.
Specialty Fillers
Nordsj professional fillers repair cracks and joints in concrete, masonry, and timber. These high-performance solutions ensure structural integrity and a smooth finish before sealing or painting. Designed for durability in challenging environments, they support long-lasting project outcomes.
Questions
What products does Crommelin offer for home DIY projects?
Crommelin provides waterproofing membranes, concrete sealers, decorative paints, and timber coatings tailored for DIY use. These products are available at major retailers like Bunnings.
How do I choose the right waterproofing system?
Contact our 7-day helpline (1800 655 711) for expert advice. We recommend systems based on project type, surface material, and environmental conditions.
Are Crommelin products available outside Australia?
Yes, we supply to New Zealand and Asia through distributors. Visit our website for international stockist details.
Do you offer technical support for commercial projects?
Yes, our national team provides specification assistance, CPD courses, and on-site support for architects and contractors.
What warranties are available?
We offer warranties up to 20 years on select waterproofing systems. Terms vary by product and application method.
How do I apply DiamondCoat sealers?
Follow our step-by-step guides for surface preparation and application. Technical support is available via phone or email for specific queries.
