Groove Height(Bottom of Door). The height from top of the door to the top of the roller is 130mm(5 1/8"), please at least 150mm(6") for installation. Door panel need to be cut a groove for floor guide, Groove Height:1"Width:3/10". 11FT = 5.5FT+5.5FT+Connector. 13FT = 6.6FT+6.6FT+Connector.
The connector is shorter than track, roller can sliding across the connector. The item "DIYHD Bent Straight Black Double Sliding Barn Door Interior Door Track Hardware" is in sale since Tuesday, January 8, 2019. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Other Door Hardware".The seller is "beileli_0" and is located in Milton, ON. This item can be shipped to Canada.