New construction means we start with a clean deck and build the roofing system properly from the first layer. Mcwilliams Roofing & Maintenance has installed new roofs on hundreds of new builds across Mcwilliams, from custom homes to spec builds, from room additions to detached structures.
We install to manufacturer specifications and local Mcwilliams building codes. That means proper underlayment per ASTM standards, ice and water shield at eaves and valleys, correct nailing patterns, and ventilation sized to the space. Every component documented for your warranty registration and building inspection.
Our New Roof Installation Process
Plan Review & Consultation
We analyze your plans for pitch, square footage, ventilation needs, and code compliance. You get a detailed proposal with material specs, timeline, and fixed pricing before any work begins.
Material Delivery & Staging
All materials verified against your approved proposal. Color, brand, quantity, everything double-checked before install day. No substitutions without your approval.
Expert Installation
From underlayment to ridge cap, every layer installed in the correct sequence by certified crews. A project manager is on-site for new construction installs to ensure quality at every stage.
Final Inspection
Final quality check against manufacturer installation requirements. Building inspection coordinated through our Mcwilliams office. Warranty registered directly with GAF, Owens Corning, or CertainTeed.
What Mcwilliams Customers Say
"Responded fast and got the job done right the first time. Crew was polite, professional, and cleaned up everything. Would absolutely hire again."
"Our neighbors recommended them and now we understand why. Meticulous attention to detail and they treated our home like it was their own."
"After getting several quotes, these guys stood out with their honesty and knowledge. No pressure, just straightforward advice and excellent workmanship."
Why Choose Mcwilliams Roofing & Maintenance for New Roof Installation?
Ventilation Design
We calculate intake and exhaust per IRC R806 for every new install. Balanced ventilation extends roof life and cuts energy costs. Most contractors skip this step.
Full Manufacturer Warranty
Factory-certified installation means your new roof warranty is fully backed from day one. No gaps, no exclusions from improper installation.
Builder Coordination
We work directly with your GC on scheduling, staging, and inspections. On-time delivery and clean work that doesn't slow down the rest of the build.
Material Selection Guidance
Shingles, metal, flat systems. We install all of them and help you choose based on your budget, design, and the demands of AL climate.