Seal-it® 322 HYBRID-FR is a high-quality, fireproof certified and highly elastic sealant based on MS-Polymer®. Specifically for sealing fire-retardant movement joints in facades and floors. Fire-resistant for up to 3 hours tested by Peutz, in accordance with EN 1366-4:2021.
Seal-it® 322 HYBRID-FR
- Fire-resistant certified, highly elastic sealant
- For sealing fire-retardant expansion joints in facades and floors
- Fire resistant tested for up to 3 hours, in accordance with EN 1366-4:2021
Seal-it® 322 HYBRID-FR is a high-quality, fireproof certified and highly elastic sealant based on MS-Polymer®. Specifically for sealing fire-retardant movement joints in facades and floors. Fire-resistant for up to 3 hours tested by Peutz, in accordance with EN 1366-4:2021.

Applications
- Specifically for sealing expansion and connection joints between building and façade elements, which must be fire-resistant and prevent the spread of fire and toxic fumes.
- Sealing of movement joints, such as longitudinal/between concrete parts and masonry.
- Joint sealing in façades, floors, galleries, stairwells, and balconies.
- Sealing of connection joints around/along facades, windows, window, and door frames.
- Sealing of prefabricated elements, sheet materials and panels.

Properties
- Fire-resistant for up to 3 hours, depending on the structure, in accordance with EN 1366-4.
- Long-lasting, permanently elastic.
- Suitable for horizontal and vertical joints, up to 40 mm wide.
- Can be painted over with dispersion paints.
- Isocyanate, phthalate, solvent, and silicone free.
- Low-odour, blister- and shrink-free curing, CE certified
- Very low emission, certified according to EMICODE EC1 PLUS.
- Permanently resistant to UV, weather, water, moisture, and ageing.

Application conditions
- Application temperature (ambient and substrate) between +5°C and +40°C.
- On clean, clean, dry, load bearing, compatible, dust- and grease-free surfaces.
- Ensuring the right joint dimensions to be able to absorb movements properly.
- Remove loose components from the surface using a suitable brush.
- Degrease surfaces thoroughly using Seal-it® 510 CLEANER.
- Seal-it® 322 HYBRID-FR has a broad adhesion spectrum, but highly porous surfaces should be pre-treated with Seal-it® 520 PRIMER and non-porous surfaces with minimal adhesion should be pre-treated with Seal-it® 525 Clean & Bond.
- Smooth and tight finish, using Seal-it® 550 FINISH, for skin formation.
Assortment
Colour | 12 x 290ml cartridge | 12 x 600ml foil pack |
Concrete grey | SI-322-7116-290 | SI-322-7116-600 |
White | SI-322-9100-290 | SI-322-9100-600 |
Pallet unit:
Cartridge – 1,248 pieces
600ml foil pack – 792 pieces
SI-XXX-XXXX-XXX = Item number.
Certification
- EN 15651-1: F-EXT-INT-CC-25
- EN 1366-4 :2021
- VOC-emission class A+
- EMICODE EC-1 PLUS