https://joseph-thestrup-3.tech....netbloggers.de/10-si
How to Prepare an Opening to Replace Bifold Doors If you are looking to replace your existing bifold doors, it's important to choose the right ones. Make sure they're properly sealed and weatherproofed to avoid air leaks, water infiltration and lower temperatures inside. To ensure a smooth installation, get a partner to assist. The kit should be one inch wider than the frame opening and between 2 and 1 inch shorter on height to ensure that there is enough room for the floor.