What is required for substrates receiving SFRM prior to application?

What is required for substrates receiving SFRM prior to application?

• A. They must be coated with fiberglass.
• B. They must be free of dirt, oil, and grease.
• C. They must be treated with encapsulants.
• D. They must be painted with fireproof paint.

Answer: (B)

For substrates receiving Spray-Applied Fire-Resistive Material (SFRM), it is essential that the surfaces are free of dirt, oil, and grease. This requirement is critical because contaminants on the substrate can prevent proper adhesion of the SFRM. If the surface is compromised by these substances, it can lead to inadequate bonding, which in turn can result in the failure of the fire protection system when it is needed most. Ensuring a clean surface helps to promote strong adhesion, thereby maximizing the effectiveness of the fire-resistive treatment. This preparation step is fundamental in achieving the desired performance characteristics of the SFRM during a fire event, thus enhancing the safety and compliance of the structure.

For substrates receiving Spray-Applied Fire-Resistive Material (SFRM), it is essential that the surfaces are free of dirt, oil, and grease. This requirement is critical because contaminants on the substrate can prevent proper adhesion of the SFRM. If the surface is compromised by these substances, it can lead to inadequate bonding, which in turn can result in the failure of the fire protection system when it is needed most.

Ensuring a clean surface helps to promote strong adhesion, thereby maximizing the effectiveness of the fire-resistive treatment. This preparation step is fundamental in achieving the desired performance characteristics of the SFRM during a fire event, thus enhancing the safety and compliance of the structure.