Roofing Maintenance Tasks for Every Season in the Northwest U.S.

Replacing your roof is one of the most important investments you can make in your home . In the Pacific Northwest—especially in areas like western Washington, eastern Washington, and northern Idaho—timing your roof replacement can make a big difference in the quality and efficiency of the project. Weather patterns vary greatly across the region, so understanding the best time of year to replace your roof can help you avoid costly delays and ensure a durable, long-lasting result. Climate Considerations in the Pacific Northwest The Pacific Northwest is known for its unique and diverse climate. Western Washington experiences a maritime climate with frequent rainfall, high humidity, and mild temperatures year-round. On the other hand, eastern Washington and northern Idaho have a more continental climate—hot, dry summers and cold, snowy winters. For homeowners in western Washington, the drier summer months— late April through early November —are ideal for roof replacement. Rainfall is minimal, and temperatures are moderate, which allows roofing crews to work efficiently and ensures that roofing materials can properly adhere and seal. In eastern Washington and northern Idaho, the best time to replace your roof is typically late spring through early fall (April to September) . These areas enjoy more predictable warm weather during this time, and there’s less risk of thunderstorms or early snow interfering with the project. Why Timing Matters for Roof Replacement Installing a roof during the right time of year is critical for both performance and longevity. Roofing materials—especially shingles—need warm, dry weather to seal properly. Cold or wet conditions can result in improper installation, which can lead to premature roof failure, leaks, or other issues down the line . That’s why it’s so important to plan ahead and schedule your roof replacement well in advance. High-quality roofers often book up quickly during peak seasons, so early scheduling ensures your project is completed on time and in ideal conditions. Choose an Experienced Roofer Like Apex Roofing When it comes time to replace your roof, working with a reputable, experienced contractor is just as important as timing. Apex Roofing is a trusted roofing company serving the Pacific Northwest, known for their expert craftsmanship and customer-first approach. With extensive experience in the unique climates of both western and eastern Washington, as well as northern Idaho, Apex Roofing understands the regional weather patterns and knows how to properly plan and execute roof installations that stand the test of time. Their team is trained to recognize the best weather windows and adjust schedules to ensure top-quality results. Use Trusted Materials Like Owens Corning Roofing Products To maximize the lifespan of your roof, it’s essential to use high-quality roofing materials. Owens Corning roofing products are a top choice for Northwest homes due to their durability, weather resistance, and energy efficiency. Owens Corning shingles are designed to withstand wind, rain, and UV exposure—making them perfect for the varied climate zones across the region. Apex Roofing proudly installs Owens Corning roofing systems, ensuring that every project combines superior materials with expert installation. Final Thoughts If you’re planning to replace your roof in the Pacific Northwest, timing and quality are everything. Aim for the dry, warm months—summer in western Washington and late spring to early fall in eastern Washington and northern Idaho—for the best results. And don’t forget: working with a skilled roofing contractor like Apex Roofing , and choosing proven materials like Owens Corning shingles , will ensure your home is protected for decades to come. Contact Apex Roofing today to schedule your roof replacement consultation!

If you're a homeowner in the Northwest United States, chances are you’ll eventually need to replace your roof. With the region’s heavy rain, wind, snow, and fluctuating temperatures, roofing systems are put to the test year-round. When that time comes, one critical decision is whether to do a roof tear-off or an overlay (installing new shingles over the old ones). This article breaks down what happens during a roof tear-off and why it’s usually the smarter choice—especially in the Pacific Northwest climate. What Is a Roof Tear-Off? A roof tear-off involves completely removing your existing roofing materials down to the roof deck before installing a brand-new roof. This includes stripping off shingles, underlayment, and sometimes even damaged decking. Unlike overlays, which merely add a new layer of shingles on top of the old, tear-offs start fresh, allowing your roofer to inspect and repair hidden damage. What to Expect During the Roof Tear-Off Process Initial Inspection and Protection
Reputable roofing companies like Apex Roofing begin with a thorough inspection. They’ll assess the current state of your roof and prepare your property by covering landscaping, driveways, and windows to protect them from falling debris. Shingle Removal
Using special roofing tools, workers carefully remove all existing shingles and underlayment. This step exposes the roof deck, which is the structural foundation for your roofing system. Deck Inspection
Once the surface is cleared, your roofer will inspect the deck for signs of rot, mold, or structural damage—especially important in the Northwest where moisture can wreak havoc on wood. Repairing the Roof Deck
Any damaged or rotting sections are replaced to ensure a solid foundation for your new roof. Skipping this step (which can’t be done with an overlay) risks premature failure of your new roof. Installing Underlayment and Flashing
After repairs, the crew installs high-quality underlayment and flashing, which act as a secondary moisture barrier. This is crucial in our wet Northwest climate. Shingle Installation
Finally, your new shingles—preferably from a trusted manufacturer like Owens Corning—are installed, followed by proper ventilation components and sealing. Cleanup and Final Inspection
A good roofing company will leave your property cleaner than they found it. Apex Roofing ensures a complete magnet sweep for nails and a thorough inspection to confirm everything was done right. Why Tear-Off Is Better Than Overlay in the Northwest While overlays may seem faster and cheaper, they often mask underlying problems like moisture damage or structural weaknesses. This is especially risky in the Northwest, where rain and snow can lead to mold, leaks, and roof deck rot. Tear-offs allow for a complete assessment and fix of these hidden issues, increasing the lifespan and performance of your new roof. Trust the Experts at Apex Roofing Choosing the right roofing contractor makes all the difference. Apex Roofing brings years of experience, expert craftsmanship, and a commitment to quality materials like Owens Corning shingles. Their deep understanding of the Pacific Northwest climate ensures that your roof is built to last, even in the harshest weather. Final Thoughts
 When it’s time to replace your roof, don’t cut corners. A full roof tear-off provides superior protection, durability, and peace of mind—especially in the rain-soaked Northwest. Contact Apex Roofing today to schedule a free inspection and get the expert care your home deserves. Optimize your roof. Protect your investment. Trust Apex Roofing.

When it comes time to repair or replace your roof, understanding basic roofing terminology can go a long way in helping you make informed decisions. Whether you’re reviewing an estimate or discussing options with a contractor, knowing the lingo ensures you can communicate effectively and avoid misunderstandings. This knowledge becomes even more important when investing in premium roofing materials and expert installation—two key factors in protecting your home for the long haul.  Here are some common roofing terms every homeowner should know, and why choosing trusted names like Owens Corning and Apex Roofing makes all the difference. 1. Shingles Shingles are the visible outermost layer of your roof, typically made of asphalt, wood, slate, or metal. Asphalt shingles—like those made by Owens Corning—are the most popular choice due to their durability, affordability, and weather resistance. 2. Underlayment This protective layer is installed between the roof deck and shingles. It acts as a moisture barrier and adds an extra line of defense against leaks. Owens Corning’s WeatherLock® underlayment enhances this protection and is designed to work seamlessly with their roofing systems. 3. Flashing Flashing refers to thin pieces of metal (usually aluminum or galvanized steel) installed around roof features such as chimneys, vents, and valleys. It prevents water from seeping into joints and seams—an essential detail that a skilled roofer like Apex Roofing won’t overlook. 4. Fascia and Soffit The fascia is the board that runs along the edge of your roof, supporting the lower edge of the shingles and often holding the gutter system. The soffit is the underside of the roof overhang. Though not roof components, fascia and soffit help with ventilation and moisture control—key concerns in the Northwest’s damp climate. 5. Ridge and Ridge Vent The ridge is the highest point on your roof, where two sloped sections meet. A ridge vent allows hot, moist air to escape the attic, which prevents mold growth and prolongs the life of your roof. 6. Decking (Sheathing) This is the base layer of the roof, typically made of plywood or OSB (oriented strand board), onto which all other components are installed. It must be dry and intact before re-roofing begins—something professional roofers like Apex always inspect. 7. Flashing Flashing protects critical joints on the roof from water penetration. Improperly installed flashing is a leading cause of roof leaks, which is why expert installation matters. Why Materials and Installation Matter Roofing isn’t just about shingles—it’s about a complete system that protects your home from wind, rain, and time. That’s why homeowners trust Owens Corning roofing systems, designed to provide maximum performance, energy efficiency, and curb appeal. Their advanced materials, such as SureNail® Technology and ProArmor® Synthetic Roof Underlayment, are engineered for long-lasting durability. Even the best materials won’t perform without expert installation. That’s where Apex Roofing stands out. As a certified Owens Corning Preferred Contractor, Apex Roofing combines deep roofing knowledge with top-tier workmanship to ensure your investment lasts. Ready to replace your roof?
Choose a trusted team. Choose Owens Corning materials and Apex Roofing for experience you can rely on.

Roof failure can sneak up on homeowners, especially in areas like Washington and Idaho where unique climate conditions create a perfect storm for roofing wear and tear. From heavy rains in western Washington to snowy winters in Idaho, homes in the Northwest are exposed to a wide range of environmental stressors that can shorten a roof’s lifespan. Understanding the early warning signs of roof failure—and knowing when it’s time to call a professional—can save thousands in repairs. Here are 7 signs of early roof failure, and how the Northwest's climate contributes to roof deterioration: 1. Moss and Algae Growth Western Washington’s wet climate creates ideal conditions for moss and algae . These organisms trap moisture on your roof, which can lead to shingle degradation and rot. Left untreated, moss can lift shingles and cause leaks. 2. Curling or Warped Shingles Extreme weather changes in both Washington and Idaho—rain, snow, sun—can cause shingles to expand and contract. Over time, this leads to curling, cracking, or warping, leaving your roof vulnerable to water infiltration. 3. Granule Loss Asphalt shingles lose granules with age , but in climates with heavy rain or snow, this process can accelerate. You may notice bald spots on shingles or granules collecting in gutters, both signs that your roof is nearing the end of its life. 4. Ice Dams In Idaho, where heavy snowfall is common, poor attic insulation and ventilation can lead to ice dams —ridges of ice that prevent melting snow from draining. Water backs up under shingles and leaks into your home, causing structural damage. 5. Water Stains or Mold Inside the Home Stains on ceilings or mold along walls are common signs of a leaky roof. In the damp Northwest, even small leaks can lead to rapid mold growth, putting your health and home at risk. 6. Sagging Rooflines A sagging roofline may indicate trapped moisture in the roof decking or structural issues due to prolonged exposure to snow loads in Idaho or standing water in rainy parts of Washington. 7. Missing or Loose Shingles High winds and frequent storms in both states can loosen or blow off shingles. Missing shingles expose your roof’s underlayment to moisture and UV damage, speeding up deterioration. Protect Your Investment with Quality Roofing Given the demanding climate of the Northwest, it’s crucial to choose a roofing system built to last. Owens Corning roofing materials are a top choice for homeowners in Washington and Idaho. Their durable, weather-resistant shingles offer excellent protection against wind, rain, snow, and UV exposure. Features like SureNail® Technology and StreakGuard® Algae Protection make them ideal for the region’s challenges. Equally important is choosing a skilled, trustworthy contractor. Apex Roofing has built a strong reputation throughout the Northwest for expert installation, quality craftsmanship, and outstanding customer service. We are an Owens Corning Preferred Contractor, ensuring your new roof is installed to the highest standards. Don’t Wait for a Leak to Take Action Roof problems can escalate quickly, especially in a wet climate. If you notice any of the warning signs above, it’s time to consult a roofing professional. Apex Roofing provides free inspections and can help determine whether repairs or a full replacement are needed—using premium Owens Corning materials for unmatched performance. Protect your home from the top down. Choose quality. Choose Apex Roofing. 

The Pacific Northwest is no stranger to wet, chilly winters. Between pounding rainstorms, the occasional snow dump, and freezing overnight temps, your roof takes a beating from November through March. And if your roof is already showing its age? That winter wear and tear could mean leaks, damage, and costly repairs ahead. That’s why spring is the perfect time for a post-winter roof inspection—especially if you’ve got an older asphalt shingle roof. Catching issues early can save you thousands, and maybe even extend the life of your roof by a few more seasons. What Winter Weather Does to Aging Roofs Even if you didn’t have a major weather event this winter, the day-to-day exposure can be just as damaging over time. Here's what to look out for: Snow : Freeze-Thaw Damage While heavy snow isn't as common at lower elevations, even light snow that sticks around can cause: Ice dams that force water back under shingles Freezing and expansion that cracks old, brittle shingles Moisture retention that softens decking and underlayment Rain : Constant Saturation The PNW gets more than its fair share of rain. For older shingles that have lost their granules and protective coatings, that means: Water infiltration through microscopic cracks or gaps Accelerated wear from the constant moisture Moss and algae growth, especially in shaded or tree-covered areas Cold : Shrinkage and Cracking Frigid temps cause shingles to contract, especially at night. With aging shingles, that can lead to: Cracks and curling edges Exposed nail heads that invite leaks Loss of adhesion, letting wind and water get underneath Signs It’s Time for a Post-Winter Roof Check You don’t have to climb a ladder to know your roof might need attention. Look for: Shingles that look curled, cracked, or missing Dark streaks or green patches (hello, moss) Water stains on your attic ceiling or interior walls Debris in your gutters that looks like shingle granules If you spot any of these, it’s time to call in a professional—or better yet, a roofing contractor who uses Owens Corning roofing products. Why Choose Owens Corning for Replacement? If your roof is ready to replace, Owens Corning offers some of the best solutions on the market for wet, cold climates like the PNW. Top Product Picks: Duration® Shingles with SureNail® Technology - These are built tough for windy, wet conditions and offer excellent adhesion to prevent shingle blow-off. WeatherLock® Ice & Water Barrier - Protects vulnerable areas like valleys and eaves from ice dam damage. ProArmor® Synthetic Underlayment - A strong, moisture-resistant barrier that helps keep the roof deck dry. The Bottom Line Spring is roof-check season in the PNW. If your shingle roof is 15+ years old, or if you noticed anything unusual over the winter, get a professional inspection ASAP. A little preventative maintenance now can save you a major headache later—and with Owens Corning’s durable, high-performance products, you’ll be better protected for whatever next winter throws your way. Tip : Ask your roofer if they're an Owens Corning Platinum Preferred Contractor to get extended warranty coverage and peace of mind. Your roof has had a long winter. Give it the check-up it deserves.

Choosing the right roofing material is crucial for protecting your home and ensuring its longevity. Asphalt shingles are one of the most popular roofing materials in the U.S., and for homeowners in Pullman, WA, they provide a cost-effective and versatile option. At Apex Roofing, we specialize in asphalt shingle roofing services in Pullman, WA, delivering high-quality installation and expert advice to help you make the best decision for your home. In this blog, we’ll dive into the pros and cons of asphalt shingle roofing in Pullman, WA, offering valuable insights to guide your roofing decisions.

Asphalt shingle roofing is a top choice for homeowners in Pullman, WA, because it offers durability, affordability, and a variety of styles. However, one of the most important questions homeowners have is: How long do asphalt shingles last? The answer depends on several factors, including material quality, local climate, and regular maintenance. At Apex Roofing, we specialize in asphalt shingle roofing service in Pullman, WA. With years of experience, we provide expert installation and maintenance to ensure your roof lasts as long as possible.

Are you curious about how much home value does an asphalt shingle roof adds? Investing in a new roof is a big decision, especially in a city like Seattle, WA, where weather conditions demand durable roofing. One of the most cost-effective and aesthetically pleasing options is asphalt shingles. With Apex Roofing’s asphalt shingle roofing service in Seattle, you can transform your home while potentially increasing its market value. Let’s explore how asphalt shingles can enhance your property’s worth and why they are a great choice for Seattle homeowners.

Are you debating whether upgrading your gutters is worth the cost? In Spokane Valley, WA, this decision could significantly impact your home’s value. New gutters aren’t just about aesthetics—they’re a critical element in water management to protect your home from rain-related damage. Investing in a new gutter system can help maintain your property’s structural integrity, enhance curb appeal, and even attract buyers if you decide to sell. Apex Roofing specializes in gutter services in Spokane Valley, WA. From selecting the best materials to ensuring professional installation, we’re here to help you make informed decisions for your home’s drainage needs.