"Thank you for the way you handled every detail of this project from our introduction to your firm and its products, through the bidding process, to the day of completion. In our view you went above a... » more
- Robert H. Lay of Davenport, Iowa


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CRF

Condensation Resistance Factor. Gives an indication of a window's ability to resist condensation. The higher the CRF, the less likely condensation is to occur.

Not quite sure what the proper home improvement terms are? Let us help. We have put together a glossory for you to learn a little bit more about Home Improvement Glossary and Terms

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