Roof Replacement in Sarnia, Ontario

About this service

When a roof's run its course, a proper tear-off and replacement is the only real fix. Sarnia Pro Roofing handles every step — protecting your landscaping, tearing off the old roof down to the deck, replacing damaged sheathing, and installing a complete new system with premium underlayment, ice-and-water shield, ventilation, and your choice of asphalt or metal shingles.

What's included

• Full tear-off down to the deck
• Sheathing inspection and replacement as needed
• Ice-and-water shield at eaves and valleys
• Synthetic underlayment across the full deck
• New drip edge, flashing, and vents
• Premium asphalt or standing-seam metal shingles
• Magnet sweep and full site cleanup

Common signs you need this service

• Roof is 20+ years old
• Widespread shingle curling or granule loss
• Multiple repair calls in the same year
• Sagging roof line
• Selling your home and need to clear inspection

Our process

1. 01
   Free in-home consultation

   Material samples, color choices, and a clear written quote.
2. 02
   Scheduled tear-off

   Property is tarped and protected before any shingles come off.
3. 03
   New roof system installed

   Typically 1–3 days for a standard residential roof.
4. 04
   Walkthrough + warranty

   Clean site, magnet sweep, signed warranty paperwork.

Service area

We provide roof replacement across Sarnia and Lambton County, including:

FAQs about roof replacement