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(724) 941-8219

LICENSE: PA018587
Serving Allegheny and Washington Counties Since 2002

Family Owned and Operated - No Subcontracting Here

(724) 941-8219

LICENSE: PA26451

Serving Allegheny and Washington Counties Since 2002
Family Owned and Operated
No Subcontracting Here

Certified Roofing Company 

new and replacement roofing For Carnegie Residents

25 Year Workmanship Warranty!

You can trust Knox Construction with your new roof.

No subcontracting • Professional roofers.


Our mission has enhanced to deliver the best in customer satisfaction and quality craftsmanship, ensuring property owners in Pittsburgh and the surrounding communities have their roofing, siding and gutter needs addressed effectively and efficiently. At Knox's Construction we strive to always offer quality services to our Carnegie area customers to enhance the well-being of their homes .

More and more Carnegie residents have found out why they could trust their roofing project to CL Frey Construction.  Give us a call for a free estimate on your replacement roof.

Customer Satisfaction +
Quality Craftsmanship Since 2002

 Don't take our word for the great and reasonable work that we do. 
Just look at the reviews direct from Google.

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