The 1800 Mastic solvent-based is a single component, hydrocarbon polymer, elastomeric compound. It was designed to be used in conjunction with the 1800 AIR and VAPOR Barrier membrane to fill any cracks or voids in the masonry that will be receiving the membrane.
– Remains flexible during freeze-thaw cycles
– Rubber coating consistency
– Ready to use
Actual coverage rate will vary depending on depth and width of cracks and voids filled. All surfaces should be free from oil, grease, rust, dirt and any other debris. Apply directly to any surface flaw with a trowel or putty knife. Use Mar-flex’s Orange 90 cleaner to clean up.