Shiplap Moulding 8-5/8" - 1

This concave shiplap siding molding 8-5/8" - 1 measure 8.625" wide by .750" thickness, allowing the detail to be milled out of four quarter lumber. The decorative profile is comprised of a 6-1/8" wide horizontal line segment in the center, connected to a 2-1/2" wide congee derived from a 1-17/32" radius cove, a 1/2" portion of this line will be hidden underneath the piece of lumber in front of it when assembled, the face coverage dimension is 8-1/8" wide during installation. We offer an alternative version of this detail in the same width with a smaller gap between the joined boards you may want to review and consider, shiplap siding 8.625" - 7.

Ever wonder why some patterns look and feel better than others in the industry? Please read our article on knife marks, learn how machine feed rates and rpm of the cutter head can directly affect the quality of your finished product.

For knife quoting purposes, click to open the calculator below; we have added only the important measurements; just enter the appropriate dimension in the boxes provided. A brief detailed explanation on how to use the calculator is located here. Need some assistance with the dimensions? Print a copy of our fraction - decimal - millimeter chart, place it on the molder to help operators save time and increase accuracy during machine setup.

Width = 8.625" / Depth of Cut = .431" (top knives.)

Thickness = .750" / Depth of Cut = .500" (left cutters).