Guide to Roofing Replacement in Ontario, CA

December 11, 2024

Deciding to replace your roof is no small ordeal, but being well-informed can make the process smoother and less daunting. In Ontario, CA, the intense summer heat and occasional heavy winds can gradually compromise roofing materials. 

Geography also plays a role, with the nearby San Gabriel Mountains contributing to variable weather patterns that can further stress your roof. This guide will walk you through everything you need to know about roofing replacement in Ontario, from understanding costs to choosing the right materials that suit the local climate.

Living in Ontario means your roof faces more than its fair share of wear due to the area’s hot summers and significant temperature shifts, which can cause materials to expand and contract more than they would in milder climates. As such, roof replacement may become necessary to maintain your home’s safety and energy efficiency. 

This article will explore what drives the cost of roofing replacement here in Ontario, rate different materials for their suitability to local conditions, and offer tips on when you might need to consider replacing your roof.

Table of Contents

Top Roofing Replacement Companies in Ontario, CA

Average Roofing Replacement Costs in Ontario, CA

The type of roof you select affects the total cost of roofing replacement in Ontario, CA. Most roofing companies charge by ‘roofing squares,’ which usually means every 100 square feet of material, but clarify their measurements and pricing before choosing a roofing company. 

While the numbers can vary drastically between companies, here’s an average cost by material (not including labor):

  • Asphalt: $450 per square
  • Concrete: $800 per square
  • Steel: $1,400 per square
  • Slate: $2,000 per square
  • Flat roof material: $1,400 – $2,000 per square

What can affect the cost?

Besides the materials, there are other factors that affect roofing installation costs, including:

  • Size of the roof (total square footage)
  • The roof’s pitch and slope
  • Any complexities the roof poses
  • Whether you need roof removal
  • Cost and labor involved in obtaining permits
  • Labor rates

Understand Ontario’s Unique Roofing Needs

In Ontario, CA, homeowners must prepare for a range of weather conditions that can significantly impact the longevity of roofing materials. The hot, dry summers can bake roofing materials, accelerating deterioration and potentially leading to cracks and brittleness. In winter, while snow is infrequent, occasional heavy rains and the rare freeze-thaw conditions can further challenge the integrity of your roof. Additionally, the proximity to desert areas means that sand and debris can be blown onto roofs during windy days, causing abrasive wear over time.

To best protect your home in Ontario, CA, it is crucial to select roofing materials that can withstand both the scorching heat and potential wind and rain damage. Asphalt shingles are commonly used as they are cost-effective and offer a decent level of durability against the elements, though they may require more frequent checks for damage. For those considering longer-lasting materials, metal and F-Wave shingles offer excellent resistance to extreme temperatures and wind.

Some of the best roofing materials to consider to handle the Ontario weather include:

  • Asphalt: Asphalt is the best option if you’re looking for roofing shingles on a budget. They last an average of 15 – 20 years; however, in Ontario, they sometimes age faster depending on the weather conditions.
  • F-Wave: Not many homeowners know about F-Wave shingles, but they are a great option for the Ontario weather. They have incredible hail protection, are fire-resistant, and can withstand most weather conditions. They are low maintenance and can mimic more expensive roofing materials.
  • Metal: No roofing material can surpass the durability of metal roofs. Although they are a pricier option, they can withstand heavy snow, hail, wind, and even temperature changes and last up to 50 years.
  • Slate: This roofing material isn’t as common in California but is becoming more popular because it can mimic almost any style. Slate roofing can last as long as 150 years.

Signs Your Roof Needs Replacement

If you aren’t sure if you need roofing replacement or repairs, consider these signs that signify it’s time for a completely new roof:

  • Shingles missing or damaged: A missing shingle or two may be able to be repaired, but too many missing shingles put your roof and home at risk of more damage. A professional can tell you if shingle roofing replacement is necessary or if the damage is minor enough to be repaired.
  • Higher energy bills: The roof’s job is to keep your home’s temperature comfortable by not letting cool (in summer) and warm (in winter) air leave. You may notice higher energy bills if your roof leaks or becomes inefficient. A roofing professional can determine whether the roof needs minor repairs or a full replacement.
  • Water damage: You may notice small water drips or large water stains on ceilings and walls. This is a sign the roof has holes or weak spots that, if not addressed, can cause mold and rot throughout the home’s structure.
  • Sagging: You may not notice it from the street, but if you’re in the attic or have a professional roof inspection and soft spots are found, it could become an emergency, as a sagging roof and its underlayment could collapse.

If you notice any of these signs or your roof is nearing the end of its useful life, it’s important to call professional roofers to inspect and potentially replace it.

Conclusion

Knowing when roofing replacement is necessary is key. Ignoring that you need a new roof puts your home at risk of water damage, mold, energy inefficiency, and a loss of value. A safe and reliable roof is necessary for protecting your home and family.

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FAQs

What is the first step in roofing installation?

The first step in roofing installation is a professional pre-roofing inspection. The professional will evaluate your roof and determine whether you need a tear-off or if they can build a new roof over the existing one. They will also determine whether the underlayment requires any repairs before installing the new roof.

What order do you install a roof?

Every professional works a little differently, but here is the basic process of how to install a new roof:

  • Remove the old roof, if necessary
  • Inspect and repair decking
  • Inspect and repair flashing
  • Lay underlayment
  • Install new roof
  • Clean up debris

How much does it cost to replace a roof in Ontario?

Replacing a roof can cost between $4 and $600 per square foot. The price depends on the size of the house, the material chosen, and the repairs needed before the roof is laid.

How long do roofs last in Ontario?

Each type of roof lasts a different amount of time. The most common roof, asphalt shingles, lasts 15 – 30 years, depending on the weather. On the other hand, metal roofs can last as long as 50 years.

My Home Pros TrustScore™ Methodology

At My Home Pros, we understand that finding reliable home service providers is crucial for homeowners. To help you make the most informed decisions, we developed the MyHome Pros TrustScore™ — a comprehensive rating system designed to gauge the reliability and quality of companies listed on our platform. This score is calculated using a combination of factors that reflect a company’s performance, customer satisfaction, and overall business integrity. While we keep the specific metrics and the calculation confidential to maintain fairness and prevent manipulation, we assure you that each component is chosen based on its relevance and importance to consumers. The My Home Pros TrustScore™ is our commitment to providing you with a transparent, trustworthy way to evaluate home service professionals, empowering you to choose with confidence.

Additional Roofing Resources Near Ontario, CA