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What Homeowners Should Know About Roof Warranties in Minnesota

A roof warranty can sound reassuring on paper, but when a problem arises, many homeowners may discover that their warranties don’t protect them as they expected. Terms like lifetime, limited, or manufacturer-backed often create a false sense of security, especially when the fine print matters most.

In Minnesota, where roofs endure heavy snow loads, ice, wind, hail, and wide temperature swings, understanding what a roof warranty actually covers is essential. This guide explains the different types of roof warranties, what they cover (and what they don’t), and how to make sure your roof is protected in real-world conditions, not just in theory.

What is a Roof Warranty, Really? 

At its core, a roof warranty is a written agreement that defines responsibility if something goes wrong. However, warranties are not insurance policies, and they do not guarantee your roof will never fail.

Most roof warranties are limited in scope and apply only under specific conditions. Coverage depends on the type of warranty, how the roof was installed, and whether maintenance requirements are met.

There are 2 Main Types of Roof Warranties 

Most residential roofing projects involve two separate warranties, each covering different aspects of the roof.

Manufacturer’s Material Warranty

A manufacturer’s warranty covers defects in the roofing materials themselves, like shingles or other roofing products. If materials fail due to a manufacturing issue, the manufacturer may cover replacement materials under the terms of the warranty.

However, these warranties often:

  • Do not cover labor to remove or reinstall materials
  • Exclude damage caused by weather, installation errors, or improper ventilation
  • Decrease in value over time (prorated coverage)

Even “lifetime” warranties usually refer to the expected life of the product, not your lifetime or the life of the home.

Workmanship (Installation) Warranty

A workmanship warranty covers problems related to installation. If a roof leaks or fails due to improper installation, this warranty determines who is responsible for fixing it.

Workmanship warranties are provided by the roofing contractor, not the manufacturer, and vary widely in length and coverage. Some last only a year, while others extend much longer, depending on the contractor and installation standards.

This warranty is especially important because installation issues are among the most common causes of roofing problems.

What Do Roof Warranties Commonly Cover?

While coverage varies, roof warranties typically address a narrow set of issues.

They may cover:

  • Manufacturing defects in shingles or roofing materials
  • Premature material failure under normal conditions
  • Installation-related errors (under a workmanship warranty)

If coverage applies, the remedy is often limited to material replacement, not full roof restoration.

What Roof Warranties Usually Don’t Cover

This is where misunderstandings are most common.

Most roof warranties don’t cover:

  • Storm damage (hail, wind, ice, snow)
  • Leaks caused by clogged gutters or poor maintenance
  • Improper attic ventilation
  • Ice dam damage
  • Foot traffic or impact damage
  • Repairs or modifications made by another contractor

In Minnesota, exclusions related to ice dams, snow load, and ventilation are particularly important, as these conditions are common and can directly affect roof performance.

Why “Lifetime” Doesn’t Mean What You Think

The term *lifetime warranty* is one of the most misunderstood aspects of roofing.

In most cases:

  • Lifetime refers to the manufacturer’s definition, not a homeowner’s lifespan
  • Coverage may be non-transferable or limited if the home is sold
  • Coverage often becomes prorated after a set number of years
  • Labor costs are rarely included

A lifetime warranty can still provide value, but only when you understand its limitations.

Minnesota-Specific Conditions That Affect Roof Warranties

Ice Dams and Snow Load

Ice dams are a common roofing issue in Minnesota, but most warranties exclude damage caused by them. Even if shingles are under warranty, water intrusion from ice dams is usually considered a maintenance or design issue.

Proper insulation, ventilation, and installation details matter more than the warranty language.

Ventilation Requirements

Many manufacturers require specific attic ventilation standards for their warranties to remain valid. If ventilation is inadequate, even years later, warranty claims can be denied. This makes proper installation and system design critical from day one.

Severe Weather Events

Hail and wind damage are common causes of roof failure in Minnesota, but they are typically handled through homeowners’ insurance, not warranties. Warranties generally apply only to product defects, not weather-related damage.

The Importance of Proper Roof Installation

Even the best roofing materials can fail if installed incorrectly. Poor flashing, improper fastening, incorrect underlayment, or skipped details can all lead to leaks, none of which are covered by a manufacturer’s warranty. That’s why workmanship warranties and contractor experience matter just as much as material selection.

Transferability: What Happens If You Sell Your Home?

Some roof warranties can be transferred to a new homeowner, but transferability often comes with conditions:

  • Time limits for transfer
  • Transfer fees
  • Reduced coverage after transfer

If resale value is a priority, understanding whether and how your warranty transfers is important.

How to Read a Roof Warranty 

Before assuming coverage, homeowners should review:

  • Coverage duration
  • What voids the warranty
  • Labor vs. material coverage
  • Ventilation and maintenance requirements
  • Transferability terms

If warranty language feels unclear, that’s a red flag. A reputable contractor should be able to explain it plainly.

Why Contractor Choice Matters More Than the Warranty Document

A warranty is only as strong as the company standing behind it. If a contractor disappears or cuts corners, even a strong warranty offers little protection.

Choosing a contractor with long-term local presence, proven installation standards, and clear documentation is often more important than selecting a shingle based on warranty marketing alone.

All Craftsmen Exteriors Helps Homeowners Understand Their Roof Warranties

At All Craftsmen Exteriors, we believe homeowners deserve clarity, not surprises in the fine print. We take time to explain the warranties associated with each roofing system, including what is covered, what isn’t, and how installation choices affect long-term protection.

Our team installs roofing systems according to manufacturer specifications and best practices, ensuring warranties remain valid and roofs perform as intended. Just as importantly, we provide workmanship warranties backed by experience, accountability, and a long-standing presence in the Minnesota market.

Whether you’re reviewing an existing warranty or planning a new roof, we help you understand what protection actually looks like in real conditions.

Call All Craftsmen Exteriors or contact us online to request a free estimate