Windows and doors are not decorative accessories. They are part of a building’s structural and environmental system. They sit between inside and outside, constantly dealing with wind load, temperature changes, UV exposure, humidity, noise and repeated daily use.
When this interface is weak, the consequences are familiar:
Energy loss and rising air-conditioning costs
Water leakage and condensation
Warping, hardware failure and poor operation
Compromised safety and acoustic comfort
These issues rarely appear immediately. They accumulate quietly over time - and by the time they become visible, replacement is often the only solution.