Measure and Reduce the header rail. Pull the shower door shut and extend your tape measure from a person side to the opposite. Mark the size to the body header and use your hacksaw to chop it to size. Sleek down the Uncooked edge employing a metal file.[thirteen] X Investigate https://www.deluxeshowerdoors.com/services/glass-shower-door-installation-in-needham-ma-deluxe-shower-doors/