施(shi)工要點
先對施(shi)工(gong)(gong)物表面做防腐處理(li)→充分(fen)攪拌(ban)均(jun)勻防火涂料→施(shi)工(gong)(gong)以刷涂為(wei)主,施(shi)工(gong)(gong)第一(yi)遍厚度(du)(du)為(wei)0.10-0.15mm為(wei)宜(yi),表干后進行第二(er)次施(shi)工(gong)(gong),涂層(ceng)厚度(du)(du)以0.15-0.20mm為(wei)宜(yi),以后各遍施(shi)工(gong)(gong)涂層(ceng)厚度(du)(du)應控制(zhi)在(zai)0.20mm左右,直至達到規定厚度(du)(du),每次施(shi)工(gong)(gong)時(shi)間間隔以涂層(ceng)不沾手為(wei)準(一(yi)般在(zai)18-24小時(shi)左右)。
驗收注意
涂層(ceng)當平(ping)整,無明顯凹陷(xian),粘結(jie)牢(lao)固,無粉(fen)化(hua)、松散(san)和浮漿,乳突已剔除,無漏(lou)涂、脫粉(fen)、明顯裂縫等。用0.75~1kg榔(lang)頭輕擊涂層(ceng)檢測(ce)其強度(du)等,用1m直尺(chi)檢測(ce)涂層(ceng)平(ping)整度(du)。