Inserting a Soffit The soffit accessory has a “pork chop” profile. To add a soffit accessory to a roof: 1. From the Create Roof Accessories dialog box, select Insert Soffit, and click Soffit Settings. The Edit Soffit Settings dialog box opens. Parameter Description Recess Specifies the distance between the bottom edges of the roof rafters and the soffit Trim Depth Specifies the distance between the outer edges of the rafters and inside edge of the soffit 2. Enter the soffit parameters and click OK to return to the Create Roof Accessories dialog box.