2313 W Sam Houston Parkway NSuite 105Houston, TX77043 (T): (F): ROK FLEX M Application Instructions ROK FLEX M is a topical treatment that when applied to metals will prevent corrosion from taking place, and protects the metals from further deterioration. It is a two step treatment that consists of: a primer coat and a top coat. ROK FLEX M protects metals with a protective coating that acts like epoxy, but it’s not brittle. ROK FLEX M has many qualities, including:  Excellent elongation Properties  Strong Resistance to Acids  Protection of base metals against Rust and Corrosion  Can be Applied by Spraying, Brushing, or Rolling Items and Tools Required for Installation  ROK FLEX M Components  Grinder or Sandblaster  Jiffy Mixer  Electric Drill  Pressure Pot Sprayer with Air Assist

2313 W Sam Houston Parkway NSuite 105Houston, TX77043 (T): (F): Application Instructions Step I Clean surface of metal thoroughly with grinder or sandblaster to reveal base metal, freeing all metal surface area from rust, corrosion, debris, patina, or other oxidizing agents. ROK FLEX M should always be installed by ROK Protective Systems trained personnel.

2313 W Sam Houston Parkway NSuite 105Houston, TX77043 (T): (F): Step II Identify ROK FLEX M Primer Coat. Primer coating is a two part solution that must be mixed together just prior to use. Step III Pour 3A solution into appropriate sized container, and then pour 3B into same container. Mix thoroughly for 30 to 45 seconds or until primer coating has a viscous, uniform appearance. When mixing ROK FLEX M Primer Coat, use Jiffy Mixer (see appendix).

2313 W Sam Houston Parkway NSuite 105Houston, TX77043 (T): (F): Step IV Evenly coat metal surface with Primer Coat, and allow to dry thoroughly. †† Step V Identify ROK FLEX M Top Coat. ††When applying to large metal surfaces, Primer Coat may be brushed on, rolled on, or sprayed on. Drying time is typically 3 to 5 minutes; However, depending on larger projects and environmental conditions drying time may be longer.

2313 W Sam Houston Parkway NSuite 105Houston, TX77043 (T): (F): Step VI Pour ROK FLEX M Top Coat B Component into ROK FLEX M Top Coat A Component. Step VII Mix components together using electric hand drill with Jiffy Mixer attachment (See Appendix).

2313 W Sam Houston Parkway NSuite 105Houston, TX77043 (T): (F): Step VIII Distribute ROK FLEX M Top Coat formula onto metal surface. Ensure that Primer Coat has dried thoroughly prior to application of Top Coat. Step IX Allow full application of ROK FLEX M to cure. Full cure occurs at seven days. ††When applying to large metal surfaces, Top Coat may be brushed on, rolled on, or sprayed on.

2313 W Sam Houston Parkway NSuite 105Houston, TX77043 (T): (F): Equipment Jiffy Mixer Jiffy Mixer is attached to ordinary electric handheld drill. Pressure Pot Sprayer Pressure Pot Sprayer may be used. Manufacturer recommends using an air assist spray head. appendix