Measure and Slash the header rail. Pull the shower door closed and prolong your tape measure from 1 facet to one other. Mark the dimensions around the body header and make use of your hacksaw to cut it to size. Smooth down the raw edge utilizing a steel file.[13] X https://www.deluxeshowerdoors.com/services/glass-shower-door-installation-in-needham-ma-deluxe-shower-doors/