Roof Replacement & Installation

Allstate Roofing delivers complete roof replacement and installation services for residential and commercial properties across Bangor, ME and a 150-mile service radius. When a roof reaches the end of its functional lifespan or sustains damage beyond cost-effective repair, a properly executed replacement restores full protection, increases property value, and eliminates recurring repair costs.

Contact Allstate Roofing today for your free roof replacement estimate.

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8+ Years of Local Experience
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Always
Licensed & Insured Roofing Contractor
Free Inspections and Estimates
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Roof Replacement & Installation Services We Offer

Allstate Roofing handles every phase of the roof replacement process, from permitprocurement to final inspection.

Full roof replacement (tear-off and install)

New construction roof installation

Roof decking and sheathing replacement

Architectural shingle installation

Metal roof
installation

Tile roof
installation

Slate roof
installation

Flat roof
installation

Underlayment installation

Ice & water shield installation

Drip edge and flashing installation

Roofing permit procurement

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What Does Roof Replacement Include?

Allstate Roofing handles every phase of the roof replacement process, from permitprocurement to final inspection.

01

Tear-of

Removal of all existing shingles, underlayment, and damaged components

02

Deck inspection and repair

Full decking assessment with replacement of any rotted or compromised sheathing boards

03

Underlayment installation

Synthetic or felt underlayment applied as the primary moisture barrier

04

Ice and water shield

Applied to eaves, valleys, and penetration points per Maine building code

05

New roofing material

Installed per manufacturer specifications for full warranty coverage

06

Flashing, drip edge, And ridge installation

All termination points properly sealed and finished

New Construction vs. Replacement roofing

Allstate Roofing handles every phase of the roof replacement process, from permitprocurement to final inspection.

New Construction

involves installing roofing directly onto new decking without a tear-off phase. Material selection is fully open, timelines align with builder schedules, and all ventilation systems are installed from scratch.

Replacement roofing

requires tear-off of existing layers, inspection and repair of concealed deck damage, and matching new material to any existing penetrations or features. Hidden damage discovered during tear-off, including rotted decking or failed ice and water shield, is resolved before new material is installed.

Allstate Roofing manages both project types and coordinates directly with builders, generalcontractors, and homeowners throughout Bangor, ME.

The tear-off phase takes 1 to 2 days on most residential roofs and involves 4 steps.

Step 01

Protect landscaping, siding, and windows with tarps and plywood guards

Step 02

Remove all existing shingles, underlayment, and accessory components

Step 03

Inspect full decking surface for soft spots, rot, delamination, and fastener failure

Step 04

Replace any damaged decking sections before new underlayment is applied

Allstate Roofing performs complete property cleanup including nail sweeping with magneticrollers on all surrounding areas before leaving the job site.

Roofing Material Options for Replacement

Allstate Roofing installs all major roofing materials available for residential and commercial replacement projects in Bangor, ME.

MaterialLifespanBest Application

Asphalt Shingles (Architectural)

25 to 40 years

Budget-conscious residential

Impact-Resistant Asphalt (Class 4)

30 to 50 years

Storm-prone areas

Standing Seam Metal

40 to 70 years

Premium residential, commercia

Clay or Concrete Tile

50+ years

Mediterranean, Spanish styles

Natural Slate

75 to 100 years

Historic, luxury residential

Synthetic Composite

40 to 50 years

HOA communities, budget premium

TPO / EPDM / PVC

20 to 30 years

Flat and low-slope roofs

What Factors Affect Roof Replacement Cost?

5 primary factors determine the final cost of a roof replacement.

Measured in roofing squares (1 square = 100 square feet). Larger roofs require more material and labor.

Steeper pitches require more safety equipment and increase labor time by 20 to 40%.

Rotted or damaged decking discovered during tear-off requires additional material & labor

Removing multiple layers of existing roofing adds to disposal and labor costs.

Asphalt shingles are the most affordable; natural slate and standing seam metal are premium options

Allstate Roofing provides itemized, written estimates so every line-item cost is transparent before work begins.

How Long Does a Roof Replacement Take?

Most residential roof replacements take 1 to 3 days. Timeline is determined by 3 variables.

Roof size

Average single-family homes (20 to 30 squares) are typically completed in 1 to 2 days

Weather

Maine weather can impact scheduling; Allstate Roofing coordinates timing to avoid rain during installation

Material availability

Most material orders are fulfilled within 3 to 7 business days, allowing rapid project starts

Commercial and multi-building projects are scheduled in phases to minimize operational disruption

Roofing Warranty
Coverage on Replacements

Every Allstate Roofing replacement project includes 2 distinct warranty types.

Manufacturer Warranty

Covers product defects. Architectural asphalt shingles: 25–30 years. Impact-resistant/designer shingles: limited lifetime. Metal roofs: 40-year paint and structural warranties.

Workmanship warranty

covers Allstate Roofing's labor and installation quality. Workmanship defects are corrected at no charge within the warranty period.

Allstate Roofing registers manufacturer warranties on behalf of every customer to ensure coverage is active from day one.

Frequently Asked Questions About Roof Replacement

How do I know if I need a full roof replacement or just a repair?

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Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since 1966, when designers at Letraset and James Mosley, the librarian at St Bride Printing Library in London, took a 1914 Cicero translation and scrambled it to make dummy text for Letraset's Body Type sheets.

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since 1966, when designers at Letraset and James Mosley, the librarian at St Bride Printing Library in London, took a 1914 Cicero translation and scrambled it to make dummy text for Letraset's Body Type sheets.

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since 1966, when designers at Letraset and James Mosley, the librarian at St Bride Printing Library in London, took a 1914 Cicero translation and scrambled it to make dummy text for Letraset's Body Type sheets.

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since 1966, when designers at Letraset and James Mosley, the librarian at St Bride Printing Library in London, took a 1914 Cicero translation and scrambled it to make dummy text for Letraset's Body Type sheets.

Get Your Free Roof Inspection and Estimate Today

Your roof protects everything under it. Allstate Roofing protects your roof. With 8+ years of experience, 30+ five-star Google reviews, and a commitment to fast, affordable, and personalized roofing service, Allstate Roofing is Bangor's first call for roofing done right.

Contact Allstate Roofing today for your free inspection and estimate. No obligation. No pressure. Just honest answers and quality work.