Costilla Roofing & Maintenance has been installing asphalt shingle roofs across Costilla for 24 years. GAF Timberline HDZ, Owens Corning Duration, CertainTeed Landmark — we carry the top shingle lines and we're certified by the manufacturers to install them.
Architectural shingles are heavier and more wind-resistant than three-tab because of their laminated, multi-layer construction. The fiberglass mat provides the structural base, asphalt makes it waterproof, and the granulated ceramic surface protects against UV radiation and provides fire resistance. We install them over synthetic underlayment with ice-and-water shield at valleys and eaves.
Our Shingle Roofing Process
Shingle Selection
Free on-site inspection. We measure, assess your roof deck condition, and walk you through architectural vs. three-tab shingles with realistic pricing. No pressure, just facts.
Old Roof Removal
Old roof stripped to bare deck. We inspect the plywood or OSB sheathing for structural integrity, replace any compromised boards, and prep a clean, solid substrate for the new underlayment and shingles.
Underlayment & Flashing
Synthetic underlayment across the full roof deck. Ice-and-water shield in valleys, along eaves, and around chimney flashing, pipe boots, and vent boots. New drip edge installed at every eave and rake. Step flashing and counter-flashing at all wall transitions.
Shingle Installation
Starter strips along the eave, then field courses of architectural shingles with manufacturer-specified offset and overlap. Each shingle nailed in the designated zone with 4-6 fasteners. Ridge cap shingles hand-nailed at every hip and ridge for a finished, watertight top.
What Costilla Customers Say
"From the first phone call to the final walkthrough, everything was seamless. The team was courteous and efficient. Already recommended them to two friends."
"We called expecting to wait days, but they were here the same afternoon. Fair pricing, quality work, and they kept us informed every step of the way."
"Best experience we've ever had with a home service company. On time, on budget, and the results exceeded what we expected. Truly top-notch."
Why Choose Costilla Roofing & Maintenance for Shingle Roofing?
Nailed to Manufacturer Spec
Every shingle nailed in the designated nailing zone with the correct number of fasteners. This is what keeps the manufacturer warranty valid and the shingles on your roof in high wind.
Ice-and-Water Shield Standard
Every shingle roof includes ice-and-water shield at valleys, eaves, and around penetrations. This self-adhering membrane is the last line of defense against water intrusion if a shingle fails.
Proper Flashing at Every Penetration
Chimney flashing, step flashing, pipe boots, vent boots, valley channels — every transition sealed with waterproof sealant and proper overlap. Flashing failures cause 90% of roof leaks.
Manufacturer-Certified Installers
GAF Master Elite, Owens Corning Preferred, CertainTeed SELECT ShingleMaster. Our certifications mean your manufacturer warranty is fully valid from day one.