Sika's MaxFlash® can be used as a membrane for flashing rough openings, small penetrations and as a detailing compound for preparing sheathing joints for application of an air/ water-resistive barrier membrane. Acceptable substrates include poured concrete/ unit masonry, ASTM C1177 sheathings including DensGlass exterior sheathing, DensElement, eXP sheathing, GlasRoc sheathing, Securock glass-mat sheathing, Weather Defense Platinum sheathing, GreenGlass sheathing, PermaBase cement-board by National Gypsum and other cement-boards or exterior plywood sheathing, gypsum sheathing, pressure or fire retardant treated wood, steel and aluminum.
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