If you have thick baseboard or door frame, please also count them in. Wooden board required for installation.
Suitable for door thickness:1 3/8"1 3/4". Please adjust roller screw's location to make a bigger gap between 2 doors for thick door. 2 rollers can hold 1 door MAX weight 330lbs. Mainly designed for exterior door.
Box track hardware is a little bit. Than interior barn door hardware. The item "Double Sliding Barn Door Hardware Box Track Wall Mount Kit for Exterior Door" is in sale since Sunday, September 22, 2019.This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Other Door Hardware". The seller is "shengyinhardware" and is located in PA. This item can be shipped to United States.