Category Archives: Re-Roofing

How Long Does a Roof Last? Signs You Need a New Roof

If you are in the process of buying a new home, you probably want to know the age of the roof and how much longer it will last. Similarly, if you’ve lived in your home for a while, you are probably also wondering about the current condition of the roof and whether it’s time to consider some viable replacement options.

Curled-up shingles

This guide outlines the expected lifespans of most popular roofing systems for homes. Print it out and use it to assess the life expectancy of any roof when buying a new home or planning for future roof replacement needs in your own home.

Right Off the Bat: A typical asphalt shingle roof will last anywhere from 15 to 25 years before requiring replacement.

That said, there are several different kinds of asphalt shingles, as well as other roofing materials to consider when estimating longevity of a particular roofing system. Let’s get started.

1. Asphalt Shingles

3 tab shingle is the most basic and least costly asphalt shingle option for slopped roofs. A typical 3-tab asphalt shingle roof will last anywhere from 10 to 20 years.

Cracks or thermal splitting in asphalt shingles

3-tab shingles are an OK option for temperate climates, but they are not at all suitable for storm-prone areas. The maximum wind-uplift a 3-tab shingle roof can withstand is 60 MPH to 70 MPH.

Note: When exposed to strong, direct sunlight and rapid temperature changes (thermal shocks) commonly associated with southern states and dessert climate zones (think Texas, Arizona, Oklahoma, Nevada, and parts of California dessert), asphalt shingles can develop cracks, resulting in a greatly diminished lifespan and premature failure.

Architectural aka Dimensional Shingles are thicker and hence more durable and longer-lasting than their entry-level counterparts, three tab shingles. Most architectural shingle roofs will last anywhere from 15 to 25 years, depending on their environment.

Maximum wind uplift for most architectural shingle products is 110 MPH. With a special installation method and roof-frame bracing, the wind uplift rating can be increased to 130 MPH.

Premium Shingles are normally fancier-looking asphalt shingles designed for premium homes. A premium shingle is normally thicker and will last longer than a mid-range architectural shingle. Expected lifespan of a premium shingle roof is anywhere from 20 to 30 years, depending on the environment.

GAF Premium Asphalt Shingles: Camelot Williamsburg Slate

Wind uplift ratings for premium shingles are similar to architectural shingles. Premium shingles can also include special properties such as enhanced solar reflectance aka CoolRoof rating and impact resistance for hail prone areas.

See more details on various types of premiums shingles here: https://www.roofingcalc.com/gaf-vs-certainteed-roofing-shingles/

Tell-Tale Signs to Consider Replacement: If the asphalt shingles on your roof have developed major cracks, lost a lot of sand granules, are chipping and look dried-up or curled up, then you know it’s time for a new roof.

If the shingles are still in a seemingly good shape, but the roof has sustained significant storm or hail damage, then it’s probably time to consider replacement or partial replacement.

Install Roof Shingles

$7,500
Average price
Install Metal Roof

$14,500
Average price
Install Flat Roof

$8,225
Average price

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The Ultimate Guide to Getting a New Roof in 2018 – Buying Guide

A new roof is a costly investment with practical and aesthetic implications – the roof is your home’s most important protection against rain and snow, and it can significantly impact the appeal of your home in the eyes of potential buyers.

GAF Timberline HD Shingles Roof

This guide will help you make an informed decision when it comes to reroofing (adding a new layer of roofing to the existing roof) or removing and replacing the old roof.

Seven Signs You Need a New Roof

Here are the indicators that your roof should be re-shingled or replaced to maintain your home’s defense against the elements:

  • Shingles are visibly worn: Are so many of the colored granules gone that your roof looks like it has bald spots? While the shingles might still be keeping moisture out, a lack of reflective granules allows excess heat into your home, raising the temperature inside your house and increasing your air conditioning costs.  Furthermore, once exposed, the underlying asphalt will soon dry out and crack, and then your roof will be susceptible to rain.
  • Shingles are cupped and curled:

    Curled-up old shingles

    This issue looks bad, but more importantly, it means wind-driven moisture can easily get under the shingles and into your roof deck where it might cause leaks and rot.

  • Shingles are cracked: The cracked areas aren’t keeping moisture off the deck, and the risk of leaks goes way up.

    Cracks or thermal splitting in asphalt shingles

    via Structure Tech

  • Your neighbors are getting new roofs: This is more than “keeping up with the Joneses.” When homes built about the same time as yours are being re-roofed, your roof is probably about due.
  • You’ve experienced multiple leaks: Your roof is an entire structure, not just the shingles. Deck paper, flashing, moisture barrier in valleys, starter shingles, vent stack boots and other components are part of an entire roofing system. As the roof ages and several of its components or locations fail, the roof should be replaced.
  • The roof has experienced major damage:

    hail damaged shingles

    via TJR Construction

    If more than about 35% of your roof is going to need repair due to wind or hail, especially if it’s already 12+ years old, the cost-effective decision might be to replace it all. Repair is costlier per square foot because it is more time-consuming to integrate new shingles into a roof “here and there” than to install them over the entire roof. Plus, a mix of old shingles and new just won’t look very good.

  • Your roof looks bad: Cosmetics do matter to homeowners and potential buyers. If your roof is worn, has algae staining that won’t clean up or has patches of moss on it, boosting its appearance with a new layer of shingles will make a very nice difference.

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If none of these reasons to get a new roof apply, then you’re probably done here! If you’re not sure about your roof’s condition, hiring a home inspector or roofing contractor to inspect it can be a preventative measure before a roof failure and the extensive and expensive damage it can cause.

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