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About Construction

Window ConstructionThompson Creek® windows are custom designed, built and installed just for your home. Our windows are locally built in the Washington, DC area using energy-efficient, long-lasting materials that withstand the test of time – and the Mid-Atlantic weather.

Each window built is custom-made for your home ensuring the highest quality and the best fit. We build our windows using the highest-grade vinyl materials and double or triple pane glass to provide protection from the extreme weather that occurs in our regional climate, such as hot, humid summers and cold winters.

In fact, our vinyl replacement window are: 

  • Strong and durable. Our windows are AAMA-tested to stand strong in the face of dramatic wind (153 miles per hour). 
  • Energy efficient. Our windows exceed the 2017 ENERGY STAR® criteria.
  • Secure. Pocket sills are built into every frame to ensure greater home security. 
  • Safe. Tilt-in sashes make cleaning safe and easy.

Once your windows are built to the exact specifications to your home, they are transferred to our warehouse and ready to meet your installation date.

Explore Thompson Creek’s® many window options, take a virtual tour of our windows showroom or visit a showroom to see them in person.

*Window installation instructions