Knauf 280ML FR Sealant

It can be used on a variety of substrates such as concrete, brick, and wood, and is suitable for both interior and exterior joints. It is described as resistant to water and moisture, making it usable in damp areas.

The product is described as highly flexible, designed to expand and contract with the surface it’s applied to. This helps maintain a long-lasting seal even with substrate movement or temperature changes.

Yes, the sealant is stated to be resistant to UV radiation, making it appropriate for outdoor applications where sun exposure is a factor.

Prepare the joints by cleaning and drying the area, removing dust and loose material. Cut the nozzle to the desired bead size, puncture the sealant, load into a caulking gun, and apply a continuous bead. Tool or smooth the sealant as needed to achieve a neat finish, then allow it to cure according to the manufacturer’s guidelines.

Use a compatible caulking gun to dispense the 280ML cartridge, apply a continuous bead to the joint, then tool the bead with a damp finger or a suitable spatula to achieve a clean, uniform finish. Ensure joints are fully filled without gaps.

Cure time depends on ambient temperature, humidity, and joint size. After applying, allow the sealant to cure per the product data sheet before any painting or finishing work. Always follow the specific instructions provided with the product for best results.

Work in a well-ventilated area and wear appropriate PPE such as gloves and eye protection. Follow local regulations for handling and disposal of sealants, and keep the product away from children and open flames as recommended by the safety data sheet.

Ideal for fire safety-conscious sealing in walls and floors, including expansion joints, penetrations, and gaps where fire resistance is important. Suitable for both interior and exterior applications, including damp areas and outdoor exposure.

If you want to compare similar fire-rated sealants on Fepy, you can explore related options here: https://fepy.com/search?q=fire+rated+sealant, https://fepy.com/search?q=fr+sealant, https://fepy.com/search?q=fire+stopping+sealant

The 280 ml cartridge is well-suited for smaller to mid-sized joints and repair work. For larger sealing projects, you may want to consider larger-volume FR sealants to reduce reloading frequency. Compare options on Fepy to find the most cost-effective choice for your job size.