Welcome to GS Exterior Experts — Colorado’s trusted exterior remodeling contractor since 1999. We are a family-owned and operated company specializing in high-quality siding installation, replacement windows, roofing services, and custom decks for residential and commercial properties throughout Littleton, Parker, Centennial, Denver, and surrounding areas.

As a certified James Hardie siding contractor, we offer fire-resistant and low-maintenance siding solutions built for Colorado’s climate. Our energy-efficient window replacements improve comfort and reduce utility costs year-round. Need a new roof? We install impact-resistant roofing systems built to withstand hail and severe weather. Thinking about outdoor living? Our custom composite decking and wood decks are perfect for Colorado backyards.

We also specialize in insurance claim storm restoration, guiding you through the claims process to ensure you get the repairs you deserve — without the stress.

With over 20 years of proven experience, GS Exterior Experts delivers Golden Standard Quality on every project. Contact us today for a free estimate and discover why homeowners across Colorado trust us for all their exterior home improvement needs.