聚氨酯在施工時應注意哪些質量問題呢?
發布時間:2014-08-09
1 氣孔、氣泡;材料攪拌方式及攪拌時間未使材料拌合均勻;施工時應采用功率、zhuansubuguogaodejiaobanqi。lingyigeyuanyinshijicengchulibujiejing,zuotumoqianyingzaixiqinglijiceng,budeyoufushahehuichen,jicengshanggengbuyingyoukongxi,tumogecengchuxiandeqikongyingangongyiyaoqiuchuli,fangzhitumopohuaizaocheng
滲漏。
2 起鼓:基層有起皮、起砂、開裂、不幹燥,使塗膜粘結不良;基層施工應認真操作、養護,待基層幹燥後,先塗底層塗料,固化後,再按
防水層施工工藝逐層塗刷。
3 塗膜翹邊:
防水層的邊沿、fenxiangshuadedajiechu,chuxiantongjicengboliqiaobianxianxiang。zhuyaoyuanyinshijicengbujiejinghuobuganzao,shoutoucaozuobuxizhi,mifengbuhao,dicengtuliaozhanjielibuqiangdengzaochengqiaobian。gujicengyaobaozhengjiejing、幹燥,操作要細致。
4 破損:
塗膜防水層分層施工過程中或全部塗膜施工完,未等塗膜固化就上人操作活動,或放置工具材料等,將塗膜碰壞、劃傷。施工中應保護塗膜的完整。