Key Takeaways:
Use non-corrosive electrical silicones to safely seal and insulate around your outlets and conduit boxes.
Adhesive expanding foams provide a secure bond and fill gaps for a tight fit.
Our Australian range offers fast-curing and airtight options across manual, straw, and gun-grade formats.
These products are ideal for installations in walls, ceilings, and switchboards where precision matters.
Floor Joints and Movement
Floor joints handle massive amounts of stress and movement every day. Expansion and shrinkage occur constantly because of weather changes and temperature fluctuations. High-traffic industrial floors like production halls and warehouses experience even more pressure from transport loads like forklifts and lorries. You need a highly elastic sealant that absorbs these dynamic loads without cracking.
Important requirements for floor joint sealants are excellent bonding to substrates like concrete or aluminium and massive elasticity. Our Australian range delivers long-lasting flexibility for these demanding applications. Soudaflex 45FC PRO provides a strong and permanent bond. It is perfect for public spaces like railway stations, pedestrian zones, and shopping centres because it handles heavy impacts easily.
If you are sealing horizontal joints that require a smooth finish, Soudaflex 33SL is our self-levelling polyurethane solution. It flows naturally into the gap and offers brilliant resistance to fuels and cleaning products. This makes it an excellent choice for car parks and petrol stations.
For specific projects that demand drivability and high movement accommodation, Soudaflex 36FL delivers massive elasticity and mechanical strength. This ensures your joints remain completely sealed even under extreme structural stress. When you need a fast-curing option that tackles both sealing and structural bonding, SMX50 Seal & Stick provides a trafficable hybrid polymer finish.
Ready to start your project? Use our Store Locator to find your nearest Soudal stockist and grab the right floor joint sealants today.
FAQs
What is a self-levelling sealant?
A self-levelling sealant like Soudaflex 33SL is highly liquid when applied. It flows naturally to fill horizontal floor joints and creates a perfectly flat, smooth surface without the need for manual tooling.
Why do concrete floor joints fail?
Floor joints usually fail because the installer used a rigid product that could not handle the concrete shifting. They can also fail if the joint was full of dust before application or if the sealant was applied too deeply without a foam backing rod.
Can I use these sealants in a car park?
Yes. Polyurethane sealants like Soudaflex 33SL are specifically designed for high-traffic environments. They resist the chemicals, fuels, and oils commonly found in car parks and petrol stations.
How long does it take for floor sealant to cure?
Curing times depend entirely on the specific product, room temperature, and humidity. Most professional polyurethane sealants form a skin within an hour. They usually take 24 to 48 hours to fully cure before they can handle heavy transport loads.