... to high building and villa 4.environmrntal products 5.waterproof Why you choose us?We produce this product by ... to control, joint place cracking serious, need to be waterproof processing, interface not blancehydroscopicityDon't suction, hydrophobicSuction, and cavity ... and cos of coatingNeed grinding trimming, need to do waterproof coating processingMaking timeShort time ,about 15 daysLong time,about 30 ...