10 Questions to Ask Before a Roof Replacement

Posted on 2026-03-05 17:28:38

Roofs rarely fail overnight. The shingles curl a little, a flashing joint opens up, a few granules wash into the gutters, and then one day you spot a watermark on the ceiling after a wind-driven rain. When you reach that point, a full roof replacement is a big, expensive decision. The cost is one side of it, the disruption is another. You want the new system to last, perform in storms, and comply with local codes and your insurer’s requirements. That is why the quality of the plan and the people matters as much as the material.

Over the years, I have walked more attics than I can remember, from steep Victorian gables to low-slope bungalows. The best roof installations share a pattern. The contractor communicates clearly, the scope is specific, the ventilation and flashing details are right, and everyone knows what will happen if the weather turns or a hidden problem appears. Below are the ten questions I encourage homeowners to ask. Not as a script to read verbatim, but as a framework for real conversations with roofing companies before you sign a contract.

1) What exactly are you installing, and why is it the right system for my house?

A roof is not just shingles. It is a system. Underlayment, ice and water barrier, starter courses, drip edge, ridge vent, intake vents, flashing, fasteners, and sometimes deck repairs. When you ask a roofing contractor what they plan to install, press for the specific product names and how each layer fits the climate and your roof’s geometry.

In a cold climate with freeze-thaw cycles, you should hear talk about ice and water shield along eaves and valleys, often 24 to 36 inches up from the exterior wall line, sometimes more for low-slope roofs. In hurricane-prone areas, high-wind rated shingles, enhanced nailing patterns, and sealed roof decks are common. On a simple gable with a generous ridge line and open soffits, a continuous ridge vent paired with adequate soffit intake works well. On chopped-up roofs with dormers and hips, box vents or a combination of ridge and off-ridge vents might be better.

Be wary of one-size-fits-all prescriptions. A standard felt underlayment, for instance, is serviceable in dry regions but synthetic options shed water better during installation delays and resist tearing in wind. Asphalt shingles dominate in many neighborhoods for good reasons, but metal or composite slate can be right for roofs with complex shapes or when owners want 40 to 70 year lifespans and are prepared for higher up-front costs. The key is that the roof installation plan should read like it was designed for your address, not a brochure.

2) How will you protect my property before, during, and after the job?

Most roof replacements are two to three day affairs for an average 2,000 to 2,500 square foot home, weather and complexity depending. Tear-off is messy. Nails fall. Old shingles slide. Good roofing contractors come with a plan. Ask where they will place the dumpster and how they protect the driveway. Ask how they will shield siding, landscaping, decks, and AC condensers. On tight lots, I have seen crews drape entire elevations with reinforced tarps so sliding shingles never graze a window.

A magnet sweep is not optional. Expect a rolling magnet run at the end of each day and a final pass when the job is complete. If you have pets or kids, say so. Crews can corral debris better when they know someone will be in the yard by evening. Modern tear-offs also involve thousands of pounds of waste. Confirm that disposal includes recycling of asphalt shingles where facilities exist. It keeps tons of material out of landfills and often lowers disposal fees, a small advantage that signals a thoughtful company.

3) Are you licensed, insured, and bonded, and can you prove it today?

A quick yes is not enough. Licensing varies by jurisdiction, but if your city or state requires a roofing license, your contractor should produce it on request. Insurance is non-negotiable. You want general liability that covers property damage, and workers’ compensation that covers injuries to the crew. Ask for certificates issued to you directly by the insurer, not a photocopy pulled from a file. Verify the policy terms and expiration dates.

Bonding is less common for residential projects, but on larger replacements or HOA-managed buildings it adds a layer of protection if the company fails to complete the work. This is also the time to ask who will be on your roof. Some roofing companies run their own crews. Others rely on subcontracted teams. There is nothing inherently wrong with subs, but you should know who supervises, who carries insurance for whom, and who is responsible if a neighbor’s skylight gets cracked during tear-off. If you sense defensiveness when you raise these questions, treat it as a red flag.

4) What warranties are included, and what could void them?

Shingle manufacturers typically offer limited lifetime warranties, which in practice mean a defined period of non-prorated coverage followed by prorated coverage. The strong part of the warranty often covers the first 10 to 15 years. After that, payout values decline. Some manufacturers offer system warranties if you use their approved underlayment, accessories, and an authorized installer. Those can extend labor coverage and boost wind or algae resistance.

The contractor’s workmanship warranty matters as much, often more. I have seen reputable roofing contractors stand behind their work for 5 to 10 years. Others offer two years and fade away if a ridge cap starts lifting in year three. Ask for both documents before you sign. Read the exclusions. Common void triggers include improper ventilation, unapproved repairs, installing solar with penetrations that were not flashed to the system spec, or adding a second layer of shingles over an old one when the manufacturer prohibits it.

Frame your question around specifics. How many nails per shingle will you use, and where will they be placed, to maintain the wind rating? Will the ridge vent brand match the shingle manufacturer’s requirements for system warranty eligibility? When you ask this way, you learn who understands the details and who waves their hand.

5) Do you recommend a full tear-off, or can I re-roof over the existing layer?

Building codes in many places allow one additional layer of roofing over an existing asphalt shingle roof, sometimes two in older codes. It can save a fair amount on labor and disposal. But re-roofing is not always a bargain. You cannot inspect the deck properly without tear-off, so soft or rotted sections remain hidden. Flashings rarely land right in the same locations, which makes water intrusion more likely at dormers, skylights, and sidewalls. Heat builds up more under double layers, shortening the life of the new shingles.

There are times when a second layer makes sense. I have seen low-budget repairs done this way as a bridge to a future full replacement, particularly on rental properties where a few extra years matter. The owner should accept the trade-off and the lack of manufacturer warranty. On mid to high end homes, or any roof with chronic leaks, go with a tear-off. You regain control of the details that make roofs last. Planks can be replaced, flashing can be reworked, and ventilation can be corrected.

Ask your roofing contractor to price both options if code permits, then request their professional judgment in writing. If they push a re-roof without even entering the attic or checking the condition of existing flashings, take that as a sign they value speed over quality.

6) What is your plan for ventilation and moisture control?

Roofs fail from the top down and the bottom up. Poor attic ventilation cooks shingles in summer and breeds condensation in winter. A good plan balances intake and exhaust. As a rule of thumb, you want about 1 square foot of net free vent area for every 150 square feet of attic floor if no vapor barrier is present, or 1 to 300 if a proper barrier exists. Split that intake to exhaust, with a slight bias toward intake to avoid depressurizing the attic.

Balanced ventilation is not a one-liner. Soffit vents must be open and unobstructed by insulation. Baffles or rafter vents maintain an air path above the insulation. On complex roofs with short ridges, exhaust might require low profile box vents. Avoid mixing powered attic fans with ridge vents. They can short-circuit airflow and pull conditioned air from the living space. In snow country, ice dams signal heat loss and poor air sealing below the roof deck. Addressing that during a roof replacement can involve sealing attic penetrations, improving insulation levels, and extending ice and water shield further up the slope.

Do not accept the suggestion that ventilation is fine because the old roof lasted 20 years. Modern shingle formulations, tighter homes, and climate shifts put more stress on roof assemblies. Ask how your intake area was calculated. Ask which vent products will be used, and how they will be integrated with existing soffits and baffles.

7) How will you handle flashing, penetrations, and tricky details?

Shingles keep water moving, but flashing keeps water out. I have been called to assess dozens of leak investigations where the shingle field looked beautiful, yet a tiny oversight at a step flashing or a skylight curb caused ceiling stains. Your contractor should plan to replace all step flashings at sidewalls, not slip in metal over old pieces. They should rework chimney counterflashing into mortar joints, not smear sealant across bricks. Drip edge should run along eaves and rakes, color matched where possible, installed under or over underlayments in the right sequence. Valley treatment should be defined: closed cut, open metal valley, or woven, chosen to fit your shingle and snow load.

Every penetration deserves explicit attention. Plumbing boots crack and ultraviolet light degrades them in as little as 8 to 12 years. New boots with reinforced collars last longer. Furnace or water heater B-vents might need new storm collars and seals. Satellite dishes should be moved off the roof or remounted with proper brackets and flashing plates. Skylights are often the wildcard. If they are older than the roof, you are betting that a new flashing kit will keep an aging unit dry. Replacing skylights during a roof replacement usually makes sense. It costs less in labor than dealing with them later, and you avoid disturbing a new roof.

Ask to see photos of the contractor’s detail work. Close-ups of step flashing, chimneys, and valleys tell you more about craftsmanship than a wide shot of a pretty roof.

8) What permits are required, and how will inspections be managed?

Permits are not just paperwork. They are your first layer of third-party oversight. Many jurisdictions require a permit for roof replacement, with inspections at sheathing repair and final stages. Your roofing company should pull the permit in their name and schedule inspections at the right times. This matters if your insurer ever asks for proof of a compliant roof installation or if you sell the home.

There is also the matter of HOA approvals. Some neighborhoods restrict shingle color, style, or material. Submit those approvals early so you are not stuck with a delivery of shingles the board rejects. Confirm that your contractor’s schedule allows wiggle room for inspection timing. It is not fun to have a roof dried in on a Friday and to learn the inspector will not sign off until Tuesday because the request went in late.

An aside on code upgrades. If your old roof lacked drip edge or sufficient ventilation, local code likely requires them now. Ask how code-mandated upgrades affect the price. Some insurance policies include limited code upgrade coverage. Most Roofing contractor do not for voluntary replacements. You want to know what falls into must-do versus optional enhancements.

9) What is the payment schedule, and how will you document the work?

Transparency on money prevents tension later. A reasonable schedule might include a small deposit to secure the date and materials, a progress payment after tear-off and dry-in, and a final payment after completion and your walkthrough. Avoid paying in full upfront. Material preorders are common, especially during busy seasons, but those can be handled with deposits payable to the supplier if needed.

Change orders happen. Rotten decking appears under an old leak, or a skylight curb reveals decay. Plan for it. The contract should include unit prices for deck replacement by the sheet or linear foot for fascia repair. Ask for a cap unless structural issues are found. During the job, request daily updates with photos. A foreman with a smartphone can document the underlayment, ice shield coverage, flashing work, and ventilation details in minutes. That photo set becomes valuable proof for your records, your future buyer, or an insurance claim.

A good contractor will also provide lien waivers upon progress and final payments. It protects you from a supplier placing a lien on your home if a company fails to pay for materials. Lien laws vary, but the principle holds across states.

Here is a simple pre-contract document check:

Current license number and copy, if required in your jurisdiction Certificates of general liability and workers’ compensation insurance, issued to you Detailed written scope with product brands, quantities, and color selections Warranty documents for both manufacturer and workmanship

10) Who supervises the crew, and what is the daily game plan?

The day your roof comes off, you want a named foreman who is reachable and on site. One person should own the job start to finish. On quality projects, the foreman meets you in the morning, confirms the plan, walks any tricky areas again, and reviews the forecast. If storms threaten, the crew stages materials to dry-in quickly. Good teams can tear off a slope, install underlayment and ice barrier, and set shingles to a watertight state same day. They do not strip the entire house at once if weather is unstable.

Ask how the crew will manage safety. Fall protection and ladder tie-offs are not negotiable. A company that treats safety casually often treats details casually. Ask about start and stop times, noise expectations, and restroom arrangements so there are no surprises. At the end of each day, a clean-up routine should be standard, with materials stacked neatly and the yard magnet-swept.

Clarity here also helps with neighbors. If you share a driveway, coordinate bins and deliveries. If you live under local noise ordinances, confirm compliance. I have seen projects stall a day because an early morning delivery woke the wrong person. Good roofing companies smooth those edges before they start.

A closer look at materials, lifespan, and value

Most homeowners choose asphalt shingles because of cost and familiarity. Architectural shingles typically land in the 30 to 50 year limited warranty range, with real-world service life closer to 20 to 30 years depending on climate, installation, ventilation, and maintenance. Class 4 impact rated options cost more but may qualify for insurance premium reductions in hail zones. Ask your agent before you decide, because the savings vary.

Metal roofs come in two main flavors: exposed fastener panels and standing seam. The latter costs more but offers fewer penetrations and cleaner expansion movement, which translates to better longevity. On coastal homes, specify aluminum or properly coated steel to manage corrosion. Tile and slate deliver the longest lifespans, often 50 to 100 years, but they demand strong framing and specialized installers. These upgrades make financial sense on long-hold properties, not on homes you plan to sell in three to five years unless the neighborhood norm supports it.

Underlayments deserve attention. Synthetic products resist tearing and dry-in better during weather holds. Ice and water shield should be self-adhering and installed in all valleys, around penetrations, and along eaves in cold regions. On low-slope sections, some roofs benefit from peel-and-stick membranes across the entire area. Fasteners should match the material, with ring-shank nails for decking and hot-dipped galvanized or stainless options where exposure or chemical reactions are a risk.

Insurance, storms, and the repair-or-replace decision

After hail or wind events, your street might fill with out-of-town roofing repair companies offering free inspections. Some are reputable. Many are not. Start with your insurer’s process. If you suspect storm damage, document it with date-stamped photos, call your agent, and request an adjuster inspection. You can also invite a trusted local roofing contractor to meet the adjuster and walk the roof together. A thorough roof repair might solve an isolated problem without a full replacement, particularly if the roof is younger and the damage is localized.

The repair-or-replace decision blends age, condition, and coverage. If a 10 year old roof has storm-damaged slopes, replacing matchable sections might be viable, though color blending is tricky. If a 20 year old roof has multiple soft spots and widespread granule loss, replacement is often the sounder path, even if the insurance payout is partial. A hard truth many learn: insurers pay for returning you to pre-loss condition, not for a new upgraded roof. If you want Class 4 shingles or a better ventilation system, budget for an owner-paid enhancement and get the scope written in layers, so you know what insurance covers and what you cover.

Scheduling, lead times, and weather risk

Roofing is seasonal in many regions. Spring and fall book quickly. During peak months, shingles and accessories can hit supply bottlenecks. A common timeframe from contract to installation is two to six weeks, but specialty colors or materials can push that longer. Ask for a realistic window, not a rosy promise. If your roof is leaking, temporary measures like targeted roof repair, tarps, or fast-setting mastics might bridge you to your date, but they are not long-term fixes.

Weather is the wildcard. A responsible schedule includes contingencies. Tear-off should start on days with fair forecasts. On multi-day jobs, crews typically stage slopes so that any exposed area is dried in by close of day. If rain pops up mid-day, a crew that has pre-cut underlayment and staged tarps can react fast. When you ask your contractor about weather plans, listen for specifics rather than bravado. No one controls the sky, but professionals limit your exposure.

Why contractor selection matters more than brand

Homeowners often ask which shingle brand is best. The truth, learned the hard way by anyone who has diagnosed roof leaks, is that the installer matters more than the logo on the wrapper. A mediocre shingle, installed perfectly, outperforms a premium shingle with sloppy details. Nail placement within the manufacturer’s zone keeps shingles from sliding and maintains wind rating. Proper starter rows prevent blow-offs at the eave. Clean cuts and correct shingle offsets keep water paths predictable.

To separate the solid companies from the rest, look past yard signs and online stars. Ask for two references from jobs older than five years, not last month’s projects. Drive by if you can. Check how those roofs aged, especially around penetrations and valleys. Ask the references how the contractor handled surprises and whether the final bill matched the estimate. A company judged by repeat customers behaves differently from a company chasing quick wins.

Here are five warning signs that a roofing company might not be the right fit:

Pressure to sign today for a special price that vanishes tomorrow Refusal to provide insurance certificates issued to you Vague scope documents with no product names or quantities Evasive answers about supervision or who will actually be on site No local references older than a year or a trail of unresolved complaints

The attic inspection you want before a bid

The best bids start in the attic. From inside, a contractor can spot sheathing delamination, dark stains from past leaks, active drips around chimneys, and daylight through gaps that should not exist. They can also measure insulation depth and check for baffles that keep soffit vents open. I carry a moisture meter and a flashlight for this reason. If a bidder quotes your roof from the street and a satellite image, that may be fine for a ballpark. It is not fine for a final scope.

You want someone who will climb, check, photograph, and explain. If you have bath fans, ask where they terminate. Fans that dump moist air into the attic wreck roofs from below. The fix, often just a proper duct and a roof cap, is simple during a replacement and a nuisance later. Small things like this separate attentive roofing contractors from the pack.

A few numbers that help you calibrate expectations

On an average home with a simple roof, a crew of five to eight can typically remove and replace 20 to 30 squares, which is 2,000 to 3,000 square feet, in two to three days. Complex roofs with many valleys, dormers, or steep pitches stretch that. Material price swings are real. Asphalt shingles, underlayment, and fasteners can fluctuate 10 to 25 percent across a year in active markets. Labor rates vary by region. When you gather bids, expect a spread. The cheapest bid is not always wrong, and the most expensive is not always better. What you want is a clear scope, proof of competence, and a contractor who answers your questions without dancing.

If you are comparing apples to apples, ask each bidder to specify:

Shingle brand, series, and color Underlayment type and thickness Ice and water shield locations Ventilation products and net free area calculations Flashing plan at each transition, valley, and penetration

By the time you reach this level of detail, the best choice usually reveals itself.

Bringing it all together

A roof replacement is a major upgrade to your home’s envelope. The right questions sharpen the plan and surface the people who will treat your house with care. Look for roofing companies that explain their reasoning, provide documents without hesitation, and roof replacement near me own the schedule and site with discipline. Whether you end up with architectural shingles on a starter home or a standing seam metal system on a forever house, the same principles hold. Systems beat parts, supervision beats promises, and details beat marketing.

If your first conversations with roofing contractors feel rushed or evasive, keep looking. There are skilled professionals who will welcome your questions. They know that a clean job, a watertight finish, and a customer who understands what was done are the best advertising they can buy. And when the next storm rolls in and the water stays out, you will be glad you asked.

Trill Roofing

Business Name: Trill Roofing
Address: 2705 Saint Ambrose Dr Suite 1, Godfrey, IL 62035, United States
Phone: (618) 610-2078
Website: https://trillroofing.com/
Email: [email protected]

Hours:
Monday: 8:00 AM – 5:00 PM
Tuesday: 8:00 AM – 5:00 PM
Wednesday: 8:00 AM – 5:00 PM
Thursday: 8:00 AM – 5:00 PM
Friday: 8:00 AM – 5:00 PM
Saturday: Closed
Sunday: Closed

Plus Code: WRF3+3M Godfrey, Illinois
Google Maps URL: https://maps.app.goo.gl/5EPdYFMJkrCSK5Ts5

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The team at Trill Roofing provides quality-driven residential and commercial roofing services throughout Godfrey, IL and surrounding communities.

Homeowners and property managers choose this local roofing company for professional roof replacements, roof repairs, storm damage restoration, and insurance claim assistance.

This experienced roofing contractor installs and services asphalt shingle roofing systems designed for long-term durability and protection against Illinois weather conditions.

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View the business location and directions on Google Maps: https://maps.app.goo.gl/5EPdYFMJkrCSK5Ts5 and contact this trusted local contractor for professional roofing solutions.

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Landmarks Near Godfrey, IL

Lewis and Clark Community College
A well-known educational institution serving students throughout the Godfrey and Alton region.

Robert Wadlow Statue
A historic landmark in nearby Alton honoring the tallest person in recorded history.

Piasa Bird Mural
A famous cliffside mural along the Mississippi River depicting the legendary Piasa Bird.

Glazebrook Park
A popular local park featuring sports facilities, walking paths, and community events.

Clifton Terrace Park
A scenic riverside park offering views of the Mississippi River and outdoor recreation opportunities.

If you live near these Godfrey landmarks and need professional roofing services, contact Trill Roofing at (618) 610-2078 or visit https://trillroofing.com/.