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What to Expect on Roof Install Day

If your Trill Roofing replacement is scheduled, this guide walks through exactly what happens on install day – from the time the crew arrives to the final cleanup. The goal is no surprises: you know when to move cars, what noise to expect, how the property will be left, and when the work is done.

Before install day (the week before)

About a week before your scheduled install date:

  • Materials delivery – Shingles, underlayment, ice barrier, drip edge, and flashing arrive at your property typically 1-3 days before install. We coordinate placement (driveway is most common; sometimes side yard for steeper homes).
  • Permit posted – Madison County or your village’s building permit is posted at the front of the property.
  • Weather confirmation – We monitor the forecast and confirm 24-48 hours out. If a major rain event is forecast for install day, we’ll reschedule rather than start.
  • Final walkthrough call – Your project manager confirms the scope, parking, and any access concerns.

Morning of install – 6:30-7:30 AM

The crew arrives early to start when it’s cool and to maximize daylight:

  • Crew foreman walks the perimeter with you (or alone if you’re at work) for a final scope check
  • Tarps and plywood placed against the house, over landscaping, and over windows to protect from falling debris
  • Ladders and roof jacks set up for safety
  • Magnetic sweep equipment positioned for end-of-day cleanup

This is the loudest stage – equipment unloading, ladders extending. About 30-45 minutes of setup before actual roof work begins.

Tear-off – 8:00 AM to 11:00 AM

The crew strips the existing shingles, underlayment, and any failing flashing down to the decking. Old materials drop into a dumpster positioned on the driveway (or sometimes thrown directly to ground tarps and shoveled into the dumpster).

Noise level: Loud. Shingle hammers, occasional sawing for stubborn nails, debris hitting the dumpster. If you’re sensitive or work from home, plan to be elsewhere or use noise-cancelling.

What you’ll see: Crew of 4-6 people on the roof simultaneously, dumpster filling rapidly, your roof looking exposed and weathered down to plywood.

Inside the house: Some dust falls from rafters into the attic. If you have anything in the attic that’s dust-sensitive, cover it before install day. Ceiling fixtures and skylights occasionally vibrate from impact.

Decking inspection – 11:00 AM to 11:30 AM

Once tear-off is complete, the crew foreman walks the entire deck. Any soft or rotted sections are marked with spray paint. The foreman calls you (or knocks on the door) with a summary:

  • How many sheets of decking need replacement
  • Cost (we charge our cost on the material – no markup)
  • Approval to proceed

You approve verbally; the cost is added to the final invoice. For most Riverbend homes this is 0-5 sheets. Major decking replacement (10+ sheets) is rare on homes built after 1990.

Install – 11:30 AM to 4:00 PM

This is the rebuild phase, in order:

  1. Replace damaged decking sheets where marked
  2. Install ice and water shield at eaves (24″ inside warm-wall line), in valleys, around all penetrations
  3. Roll out synthetic underlayment across remaining deck
  4. Install new drip edge at eaves and rakes
  5. Install starter strip course
  6. Install field shingles, working from eave up the slope (one slope at a time)
  7. Install step flashing at sidewalls as shingle courses progress
  8. Replace chimney counter-flashing if needed (kerf the brick mortar, insert new metal, re-mortar)
  9. Install new pipe boots at each penetration
  10. Install ridge cap shingles at the ridge line

Noise reduces during this phase – mostly nail guns, which are short bursts rather than continuous hammering. Most of a typical 2,000 sq ft installation finishes today.

Cleanup – 4:00 PM to 5:30 PM

End-of-day cleanup is non-negotiable:

  • Tarps and plywood folded up
  • Magnetic sweep across the driveway, yard, sidewalks (twice – once close to the house, once at the perimeter)
  • Gutters cleaned of debris from the install
  • Property walk-around with the crew foreman to identify anything missed
  • Dumpster pickup scheduled (typically the day after install)

If anything was damaged during install (rare but possible – a shrub trampled, a gutter dented), we identify and quote the repair before the crew leaves.

Multi-day installs

Most Trill Roofing residential installs complete in one day. Two-day installs happen when:

  • Roof is over 3,500 sq ft
  • Roof has complex geometry (lots of valleys, dormers, multiple chimneys)
  • Significant decking replacement adds time
  • Weather window closes mid-job and forces a wrap

If the install will be multi-day, we cover any exposed deck with synthetic underlayment overnight so a passing storm doesn’t reach the inside. We always leave the roof watertight at the end of any working day, regardless of where the install is in progress.

After install – the final week

Within a few days of install:

  • Final inspection – Madison County or village inspector checks the work. We coordinate the appointment; you don’t need to be home unless your jurisdiction requires it.
  • Manufacturer warranty registration – We submit registration with GAF (or CertainTeed / Owens Corning) within 60 days. You receive a registration certificate by email.
  • Final invoice – Includes the agreed scope plus any decking replacement approved during install.
  • Follow-up call – Our project manager calls to confirm satisfaction and answer any questions about the work.

Schedule your install

If you’re planning a roof replacement and want to know when to book, schedule a free inspection at /free-inspection/. Spring (April-May) bookings tend to fill 4-6 weeks out; summer 2-4 weeks; fall 1-2 weeks. Emergency leaks always get prioritized.

Get a free roof inspection from Trill Roofing

No-pressure, written estimate. Family-owned. IL-licensed. Serving Godfrey and the Riverbend.