Take a look to see if the gap between the door and the frame is even all around. Then, open and close the door and see if it moves freely and latches securely and you're all set! Not Helpful 1 Helpful 4 Question How do you adjust butt hinges on a uPVC door? Drew Hawkins1 ...
Seal the gap between the upper and lower sashes on wooden double hung windows. This is often the main source of air leakage. Large paint drops on either surface create a gap. If any thumb latches are missing or broken, replace them. They pull the sashes together to close the gap. ...