Which of the following is allowed on substrates beneath SFRM?

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Multiple Choice

Which of the following is allowed on substrates beneath SFRM?

The main idea is that surface preparation for spray-applied fire-resistive materials relies on materials that promote a reliable bond without compromising the system's performance. A bonding agent is designed specifically to enhance adhesion between the substrate and the SFRM and is formulated to be compatible with the fireproofing system. It creates the proper surface for the SFRM to cling to, ensuring the integrity of the fire resistance. Adhesives, primers, and paints are not allowed because they can leave residues, create barriers, trap moisture, or otherwise interfere with how the SFRM bonds to the substrate. Such coatings can weaken the bond or affect the temperature resistance of the fireproofing, which is why they’re not suitable for substrates beneath SFRM.

The main idea is that surface preparation for spray-applied fire-resistive materials relies on materials that promote a reliable bond without compromising the system's performance. A bonding agent is designed specifically to enhance adhesion between the substrate and the SFRM and is formulated to be compatible with the fireproofing system. It creates the proper surface for the SFRM to cling to, ensuring the integrity of the fire resistance.

Adhesives, primers, and paints are not allowed because they can leave residues, create barriers, trap moisture, or otherwise interfere with how the SFRM bonds to the substrate. Such coatings can weaken the bond or affect the temperature resistance of the fireproofing, which is why they’re not suitable for substrates beneath SFRM.

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