Summary: together and place them under the top plate If the 2 pieces of timber do not sit evenly with the edge of the top plate then extra plywood will be needed to place between the 2 header pieces Secure the two pieces of header wood with wood screws Tip The header will position the upper part of the window framework 3 Secure the header to the top plate with the thin sides on top
Image Dimensions: 550 x 282
Image originally found here.