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Sikaflex

Sikaflex 400 Fire 600ml Grey Polyurethane Sealant 4 Hour Rated

★★★★★
117 reviews · 660+ sold
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Last purchased 21 minutes ago by someone in Canberra
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Sikaflex 400 Fire is a grey polyurethane sealant in a 600ml sausage, formulated for fire rated joints and penetration sealing in buildings.

  • Size: 600ml sausage
  • Colour: Grey
  • Chemistry: Polyurethane
  • Fire performance: Rated for fire-stopping joints (4 hour systems per the original listing)

Use it to seal control joints, wall-to-floor junctions and service penetrations where a fire rating must be maintained, in concrete, masonry and plasterboard construction. Gun it with a 600ml sausage gun, tool the bead within skin time, and follow the tested system details for joint depth and backing rod.

More about this product

Sikaflex 600ml Grey 400 Fire Polyurethane Sealant is a fire rated, moisture-curing, elastic joint sealant designed for movement and connection joints on various substrates.

Sikaflex 600ml Grey 400 Fire Polyurethane Sealant is a one-component sealant that provides up to 4 hours of fire resistance according to AS 1530.4 and EN 1366-4. It features a movement capability of ± 25% (ASTM C719) and offers excellent adhesion to both porous and non-porous substrates. This sealant is suitable for both interior and exterior applications, ensuring long-lasting performance in various environments. Its easy-to-smooth consistency and long open time enhance workability, making it a reliable choice for fire rated joints and penetrations.

Features

  • Up to 4 hours fire resistance according to AS 1530.4 & EN 1366-4
  • Movement capability of ± 25% (ASTM C719)
  • Good adhesion to various substrates
  • Long open time for improved workability
  • Suitable for both interior and exterior applications

Specifications

Dimensions (W x H x D) 50mm x 350mm x 50mm
Material Polyurethane Sealant
Colour Grey
Model Number 509357
Volume/Size 600L

Sikaflex 600ml Grey 400 Fire Polyurethane Sealant is designed for effective sealing in fire rated applications.

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 89 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
T
Thomas R. 📍 Ballarat VIC
★★★★★
1 months ago
✓ Verified Purchase

Does the job well

Sikaflex quality is always reliable and this was no exception. Fast delivery too.

J
Jessica L. 📍 Toowoomba QLD
★★★★★
2 months ago
✓ Verified Purchase

Already bought a second one

Placed the order in the evening and got a shipping notification the next morning. Arrived 2 days later in great condition. Product is well made and does everything it should. Really happy with the whole experience.

B
Ben A. 📍 Fremantle WA
★★★★★
2 months ago
✓ Verified Purchase

Quick delivery to regional QLD

The Sikaflex 400 arrived fast and works perfectly out of the box.

G
Grace W. 📍 Parramatta NSW
★★★★★
2 months ago
✓ Verified Purchase

Perfect gift — loved it

Bought this as a replacement for one I have had for years and I am glad I upgraded. The new one is noticeably better. Had a tracking number within a few hours of ordering. Packaging was excellent, nothing damaged. Already told a few mates about this site. Great prices and genuinely fast shipping.

O
Oliver H. 📍 Rockhampton QLD
★★★★★
2 months ago
✓ Verified Purchase

Arrived well packed

The Sikaflex 400 is a solid buy. I was a bit unsure about the size from the photos but it is perfect in person. Delivery was faster than expected. Very satisfied with this purchase.

N
Natalie F. 📍 Launceston TAS
★★★★★
3 months ago
✓ Verified Purchase

Better than expected

No issues at all. Fast delivery and exactly as described.

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