填大些缝的用Silicone Caulk；表面小缝，而且是两种不同材料的，用Silicone Sealant。

窗框的要防水，防热胀冷缩。。。楼梯也可用这。

GE Silicone 1 10.1 oz. Clear All Purpose Caulk 2708911 - The Home Depot

GE Advanced Silicone 2 10.1 oz. Clear Exterior/Interior Window and Door Sealant 2811092 - The Home Depot

 

浴缸的要防水和发霉。。。

GE Silicone 1 10.1 oz. White Bath Tub and Tile Caulk 2708928 - The Home Depot

DAP Silicone Max 10.1 oz. White Premium Kitchen and Bath Silicone Sealant 08667 - The Home Depot