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Trusted Roofing Contractors in Lake St. Louis, MO
Atech Exteriors is a family-owned business serving the St. Louis metro area with over two decades of expertise in residential and commercial roofing, siding, and gutter systems. As an Owens Corning Preferred Contractor, we combine premium materials with meticulous craftsmanship to deliver durable solutions tailored to each client's needs. Our A+ rating with the Better Business Bureau and 5-star Google reviews reflect our commitment to transparency, quality, and customer satisfaction.

We specialize in storm damage repair, insurance claim assistance, and same-day inspections, ensuring minimal disruption to homeowners and businesses. Our team prioritizes clear communication, thorough property protection, and post-project cleanup to provide a seamless experience from estimate to completion.
Services
Residential Roofing Commercial Roofing Gutter Installation Siding Replacement Storm Damage Repair Insurance Claim Assistance
Highlights and features
  • 20+ years of local roofing expertise with BBB A+ rating
  • Free storm damage inspections with insurance claim assistance
  • Owens Corning Preferred Contractor with premium material warranties
  • 24/7 emergency services for urgent roof damage repairs
  • 5-star customer reviews for quality workmanship and cleanup
Associations and certifications
  • Better Business Bureau
  • Owens Corning Preferred Contractor
What people say
Quickly and efficiently completed Excellent customer service Quality workmanship Thorough damage documentation Professional cleanup
Services
Residential Roofing
We specialize in complete roof replacement and installation for single-family homes using premium Owens Corning materials. Our process includes detailed inspections, insurance coordination, and personalized material selection. Each project includes debris removal and property protection to ensure zero damage during installation.
Storm Damage Repair
Our certified technicians provide emergency roof tarping and permanent repairs for hail, wind, and storm-related damage. We document all damage with photographic evidence and handle insurance claims from inspection through final approval. 24/7 response ensures rapid protection against further property damage.
Commercial Roofing
We service motels, childcare centers, and commercial properties with leak repairs and full roof replacements. Our team coordinates directly with business owners to minimize operational disruption while implementing durable commercial-grade roofing systems. All work complies with local building codes and insurance requirements.
Gutter Installation
Our seamless gutter systems prevent water damage with custom-fitted aluminum or steel installations. We offer gutter guard options to reduce maintenance while protecting foundations and landscaping. All installations include downspout extensions and slope adjustments for optimal water diversion.
Siding Replacement
We install premium vinyl and fiber cement siding that enhances curb appeal while protecting against weather damage. Our process includes insulation upgrades and trim matching to ensure energy efficiency and aesthetic consistency. Financing options available for qualifying homeowners.
Questions
What areas do you service?
We serve St. Louis County, St. Charles County, and surrounding Missouri areas including Wentzville, O'Fallon, and Lake St. Louis.
Do you handle insurance claims?
Yes, we assist with all insurance claims for storm damage, including documentation, adjuster meetings, and claim approval processes.
Are emergency repairs available?
We offer 24/7 emergency services for urgent roof damage situations with same-day tarping and temporary repairs.
What roofing materials do you offer?
As an Owens Corning Preferred Contractor, we provide their premium shingles plus CertainTeed products with lifetime warranties.
How long does a roof replacement take?
Most residential replacements complete within 1-3 days after material delivery, with full cleanup included in every project.