Published by Ark Design Construction & Roofing · Updated November 6, 2026
A roof replacement usually goes: estimate and contract, materials ordered and a start date set, the old roof torn off, the deck inspected and repaired, underlayment and flashing installed, the new roofing installed, then cleanup and a final walk-through. How long it takes depends on the size, the roof and the weather.
Step 1: Estimate and contract
A roofer looks at the roof, the attic and the building, then gives you a written estimate. You agree on the material, the scope and the payment terms. At Ark the estimate is free, and payment is due at completion, or on a draw schedule for larger projects.
Step 2: Materials and scheduling
Materials are ordered and a start date is set. Weather can move the date, because roofing needs dry conditions.
Step 3: Getting ready
The crew protects your property: landscaping, vehicles and anything near the work. You can help by moving cars, patio furniture and anything fragile in the attic.
Step 4: Tear-off
The old roofing is removed down to the roof deck.
Step 5: Deck inspection and repair
With the old roof off, the crew checks the decking underneath. Soft or damaged wood is repaired or replaced. This is where surprises can appear, so it is worth discussing in the contract.
Step 6: Underlayment, flashing and ventilation
A water-resistant underlayment goes down. Flashing is installed around chimneys, vents, skylights and wall joints, and ventilation is set up. These details decide whether a roof leaks in ten years, even more than the surface material.
Step 7: The new roofing
Shingles, metal panels, tile or shake are installed according to the manufacturer’s instructions.
Step 8: Cleanup and walk-through
The crew cleans up and sweeps the property for nails. You walk the job, ask questions, and get the paperwork and warranty information. Payment is due when the work is complete.
How long does it take?
It depends on the size of the roof, the material and the weather. Ask for a timeline in the estimate. Call Ark at (530) 547-3890 for a free estimate.
Common questions
Do I need to be home during a roof replacement?
You do not have to be there the whole time, but it helps to be reachable. Plan for noise, and keep pets and vehicles away from the work area.
Will I need a permit?
Your city or county may require a permit for roof work. Ask your roofer to explain how it is handled.
What if you find rotted wood under the old roof?
Damaged decking is replaced as part of the job. Ask for the process, and how any extra cost is priced, in writing before work starts.
Get a free estimate
Tell us about the job and we will call you back. Or just call us.
Serving Redding, Palo Cedro, Burney, Mt. Shasta, Yreka, Chester and Weaverville.