INABA DENKO Slim Duct LD

This Product is Not Waterproof Structure. Waterproof Treatment is Necessary as Necessary. Particularly at The Wall Penetrating Point, in Order to Prevent Rainwater from Entering Into The Wall Surface, Apply A Caulking Process, Putty Filling, Etc. On The Joint Portion, The Fitting Portion, The Penetrating Portion, The Wall Installation Surface, The Screw Hole, Etc., Perform The Waterproof Treatment Please Give Me. Also, Please Do The Same Treatment when There is Concern about The Accumulation of Rainwater in The Duct due to Sideways Installation or if Waterproofing Inside The Duct is Required. Please Use Under The Environment Where Duct Surface Temperature is within The Range of -20°C to 60°C. If It Exceeds 60°C There is A Possibility of Deformation due to Heat.