Posts by Grandmark Roofing

South Fresno neighborhoods like Sunnyside, Calwa, and nearby areas such as Roosevelt and Edison are full of older homes and a mix of local businesses. Over time, we’ve seen that these properties often face unique roofing challenges—like worn shingles, leaks from aging materials, and damage from past repairs that didn’t last.Older roofs are more likely…

Many homes in Fresno’s 93737 area are about 15 years old and starting to show common roofing problems from original construction. This week, Moises from Grandmark Roofing Co. fixed an issue we see a lot: roof tiles that weren’t properly secured and asphalt-based roof cement that’s now cracking after years of sun and weather.If your…

Did you know pigeon droppings can cause serious damage to your roof? We’ve seen Fresno homes and businesses with stained shingles, blocked drains, and even roof deterioration—all due to built-up pigeon poop.The acidic nature of these droppings can eat away at roofing materials, shorten your roof’s lifespan, and create health hazards for your family or…

We recently completed a roof replacement in Fresno’s 93728 area after a leaky air conditioner caused major water damage. Many homes in this neighborhood are historic and require extra attention due to their unique construction and materials.Older roofs and classic architecture often mean hidden challenges—water can travel far before you see any signs inside. Our…

Many recently built homes in Fresno North Growth are experiencing roof leaks caused by solar panels that weren’t installed correctly. At Grandmark Roofing Company, we’ve helped homeowners fix these issues and prevent further damage. We strongly recommend having your roof professionally inspected before solar panels are installed and again after the brackets are attached. Our…

During a recent roof inspection, our team discovered dry rot hidden beneath the surface. Dry rot can silently weaken your roof structure, leading to leaks, sagging, and even safety hazards if left untreated.If your roof is over 10 years old or you’ve noticed soft spots, musty odors, or visible wood damage, it’s time for a…

We recently inspected a commercial roof and found signs of aging and wear that could lead to leaks and costly downtime. Many business owners don’t realize their roof needs attention until it’s too late.Regular inspections and timely maintenance are key to keeping your property, employees, and assets safe. At Grandmark Service Company, we specialize in…

During a recent inspection, we found a catwalk roof that was much older than expected. Aging catwalk roofs can pose serious safety risks and may not provide the protection your building needs.If your property has a catwalk or walkway roof, don’t wait for leaks or structural issues to appear. Grandmark Roofing offers free, honest inspections…

Today in Fresno, we came across a roof with solar panels installed—but the underlying roof was old and should have been replaced first. This is a common issue we see: skipping a needed roof replacement before adding solar can lead to leaks, costly repairs, and even voided warranties.If you’re considering solar, make sure your roof…