Passive Fire Rating: Acrylic Sealants
Nullifire M703 has is a neutral-cure single-part silicone sealant which has outstanding passive fire resistance properties. With up to 5 hours continuous fire resistance, Nullifire M703is perfect for protecting internal and external building gaps, service penetrations or movement joints.
Due to its composition, Nullifire M703 offers up to 50% movement and is suitable for use in situations where the acoustic performance of the mebrane must be maintained. Nullifire M703 offers the following benefits:
- Up to 5 hour fire resistance
- Resistance to mould, fungus and vermin attack
- Suitability for gaps up to 50mm wide
- No insulative backing material required for fire performance
- Reduces air leakage
- Weather and UV resistant
- Can be applied to service penetrations to provide robust fire resistance
- Width to depth ration of 2:1
- Maintains substrate acoustic ratings
- Can be smoothed easily and has excellent tool ability
- Can be used for decorative joints
typical applications for M703
Nullifire M703 is a versatile acrylic sealant which can be used in a variety of situations including:
- Expansion joints in compartment walls and floors
- Sealing in and around lightweight flexible partitions
- Between timber and steel doors and between windows and the substrate
- Sealing around service penetrations, steel pipes, steel ducts, ducting trays and cables and cable trays
- In conjunction with Nullifire B747 Coated Boards (for use with large penetrations)
- Masonry to masonry
- Steel to steel
- Masonry to steel
- Masonry to timber
Please contact our offices for further technical advise regarding this product