It's not uncommon for wood windows to warp and crack when exposed to moisture which can break their seals.
Hot and cold weather can also cause wood to expand and contract leading to cracks in the wood.
This photo shows the extremely durable fiberglass exterior of the Infinity window.
Marvin Infinity windows are made custom for your home, so you'll have a perfect fit each time.
Here you can see three of the styles of windows we replaced.
A lot of the single pane wood windows we replace, like these in Maple Glen, PA, face issues with drafts and energy efficiency.