Always look for fusion-welded seams in vinyl windows. This method offers superior durability and an airtight seal in corners. Overlapped seams can create an air gap and allow additional flexing that is undesirable.
Always look for fusion-welded seams in vinyl windows. This method offers superior durability and an airtight seal in corners. Overlapped seams can create an air gap and allow additional flexing that is undesirable.