Custom Lean-To Roof Over Concrete Patio with Asphalt Shingles

This project involved the construction of a fully framed lean-to (single-slope) roof structure installed directly over an existing concrete patio. The roof was securely attached to the rear wall of the home and engineered with a controlled single-direction slope to ensure efficient water drainage. The structural framing was built from the ground up, including: Heavy-duty vertical support posts Load-bearing beams Roof rafters properly anchored to the house Structural ledger connection The roof surface was completed with asphalt shingles, seamlessly integrating with the home’s existing roofing system for a cohesive architectural appearance. Installed over a concrete slab patio, this covered roof system transforms an open backyard space into a weather-protected outdoor living area suitable for year-round use. The lean-to configuration offers: Efficient drainage Clean modern profile Cost-effective roof extension solution Increased backyard usability