Shiplap 7-1/2" - 4

This 1-5/16" channel shiplap siding 7-1/2" - 4 measures 7.500" overall width with an exposed wall coverage is 6-3/4" wide. The thickness dimension is 13/16". The profile portion dimension measures 2-1/16," but 3/4" of it is overlapped by the board in front of it when installed. The profile design is tapered by thirty degrees to allow moisture to run off the joint area; the fillet in the middle is slightly tapered for the same reasons. When two pieces of finished milled lumber are joined together, they create a 1-5/16" wide channel for decorative purposes.