Trusted Lancaster, PA Roofer: Serving the Community Since 1994

Klausmair Construction has more than two decades of experience in roofing repair and installation. When we opened our doors in 1994, roofing was the first service we offered our customers. We have expanded to include other exterior services, but at our core, we remain the trustworthy Lancaster, PA roofer that provides undivided attention and personalized service to the community.

We Provide Exceptional Service, You Should Expect It...We'll Deliver It!

Klausmair Construction

There's a reason we've been Voted #1 for 3 years running.

“Excellent communication, and very easy to work with. Job looks great! Clean up well, well done.” Doug Kimmel.

Be sure to check out all of our reviews


Residential & Commercial

At the core of our business model are additions. We take a huge amount of pride in all the work we do.


Our Bread & Butter

If your considering a new roof for your house, or business, we can't understand why you'd call someone other than us. We guarantee your satisfaction!


We've been hanging siding since 1994

With the amount of experience we have, it doesn't make sense to us why you'd call anyone else.

Spouting & Gutters

We Offer A Complete Line Of Available Materials

From typical residential applications to more complex industrial applications, we offer precipitation management control for all.

Trim & Exterior Work

One of the most gratifying services we provide.

With as many jobs we complete, it always feels great to finish up the trim. It's the final step that makes our work stand apart from others. Our obsession with Quality Craftsmenship is what drives us to be the best. To sum it up, PRIDE.