H.B Fuller FulasealPro 840NS
FulasealPRO 840NS is a butyl-based, non-sagging, non-skinning sealant specifically designed for small joints in cool room construction, refrigerated container components, and other insulation panel applications.
- $168.40
- $168.40
- Unit price
- per
Prices do not include GST
Physical Properties
Colour:
Off-white
Size:
460g
Specific gravity:
Ca. 1.4
Application temperature:
+5°c to +35°c
Service temperature:
-40°c to +50°c
Skin time:
Non-skinning
Shelf life:
Indefinite (if stored properly)
Coverage (per cartridge):
Approximately 15 lineal meters of a 5mm bead
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Shipping & Delivery
$15.95 + GST for Australia-wide shipping, excluding DG, oversized, long-length, and bagged items over 15kg. Remote areas and site deliveries are also ineligible. If your order includes any of these, we’ll contact you to arrange additional freight fees. Online purchases only.
FulasealPRO 840NS is a butyl-based, non-sagging, non-skinning sealant specifically designed for small joints in cool room construction, refrigerated container components, and other insulation panel applications. It provides excellent moisture resistance and remains permanently flexible, making it ideal for areas where a non-hardening, durable sealant is required.
Key Features
- Butyl-based, non-sagging, and non-skinning
- Excellent moisture resistance
- Will not separate or bleed on non-porous substrates
- Mould and mildew resistant
- Non-corrosive
- Gunnable for easy application
- Excellent adhesion to many substrates used in cool room construction
- Excellent low-temperature properties
Clean Up
FulasealPRO 840NS can be cleaned up using organic solvents such as mineral spirits.
Uses
- Cool room construction and sealing
- Refrigeration unit construction
- Insulation panel construction
- Concealed lap joint applications
Benefits
- Provides a long-lasting, flexible seal
- Suitable for sealing small joints up to 3mm
- Prevents moisture ingress and protects against condensation
- Resists mold and mildew growth
- Non-corrosive, making it safe for use on metal surfaces
- Easy to apply with a standard sealant gun
- Excellent slump resistance
Application Guide
- Ensure all surfaces are clean, dry, sound, and free of contaminants.
- Lightly contaminated surfaces can be cleaned with isopropyl alcohol (IPA) using the 2-rag wipe method.
- For heavier contamination, use a generic wax and grease remover followed by a final clean with IPA.
- Cut the cartridge seal, screw on the nozzle, and cut it to the desired bead size.
- Hold the gun at a 45-degree angle and apply FulasealPRO 840NS to one surface, then combine surfaces.
- It is advisable to pre-test new substrates for compatibility.
Limitations
- Non-elastomeric - Not suitable for joints with expected movement or dynamic stress
- Not suitable for exposed applications due to potential weathering and dirt pick-up (use HB Fuller 770 Sanitary Silicone for exposed areas)
- Not suitable for applications involving vibration (e.g., truck bodies, caravans)
- Not paintable
Compatible Substrates
- Metal
- Steel
- Stainless steel
- Galvanised iron
- Aluminium
- Sandwich panels
- Alucobond
- Polystyrene
- Zincalume
- Fiberglass
- Timber
- Most plastics (pre-testing recommended)
Alternative Products
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