Master Bond Polymer System EP30DP8F1 is a high performance two component construction joint sealant specially formulated to give easy application and long, trouble free service on horizontal traffic and deck joints. It furnishes joints ample freedom to expand and contract, seals on moisture, prevents water penetration from undermining substrates and protects against freeze-thaw heaving, chipping and cracking. This uniquely formulated exceptionally tough polymer compound features all the properties necessary to withstand the wear and tear of heavy vehicular and foot traffic for long time periods even under adverse weather conditions. Master Bond Polymer System EP30DP8F1 can furthermore be applied easily and inexpensively to produce self-leveling, water-tight joints with superior adhesion to both concrete and masonry, and has been found to be very cost effective for the highly competitive building construction industry. It features an exceptionally low degree of hazard in use when proper industrial hygiene practices are observed.