Roofing and Building Envelope

Why Snow on Your Solar Panels Could Be Costing You More Than You Think

Winter snowfall across Illinois presents a unique challenge for solar panel owners: accumulated snow blocking sunlight and reducing energy production by up to 100% until it melts or slides off. While this might sound alarming, understanding how snow interacts with your photovoltaic system helps you make informed decisions about whether intervention is necessary or cost-effective.
Most modern solar installations are designed with snow management in mind. Panels mounted at angles of 35 degrees or greater naturally shed snow within days as temperatures rise, and their dark surfaces absorb heat that accelerates melting from below. For …

Roofing and Building Envelope

Why Your Roof Needs Protection Before Solar Panels Go On

Illinois weather demands serious consideration when installing solar panels—our climate swings from humid 90-degree summers to sub-zero winters with heavy snow loads, ice dams, and driving rain. Your roof must withstand these extremes for the 25-30 year lifespan of your solar array, making proper thermal and moisture protection not optional, but essential.
Solar panels create unique roofing challenges that many property owners don’t anticipate. The panels themselves can trap moisture underneath, creating condensation problems during temperature fluctuations. Mounting hardware penetrates your roof’s protective barrier, …

Roofing and Building Envelope

Why Your Solar Panels Could Damage Your Roof (And How to Prevent It)

Roof uplift occurs when wind flows over your building and creates a powerful vacuum effect beneath your solar panels, potentially lifting them—and portions of your roof—away from the structure. In Illinois, where wind gusts regularly exceed 60 mph during severe storms, this isn’t a theoretical concern. It’s a critical engineering challenge that separates professional solar installations from potentially dangerous ones.
Understanding roof uplift begins with recognizing that solar panels act like airplane wings. As wind rushes across your roof’s surface, it accelerates over the panels, creating low pressure …

Roofing and Building Envelope

Why Solar Panels Make Roof Drainage Problems Worse (And How to Fix It)

Inspect your roof’s drainage patterns before scheduling a solar panel installation to identify potential water pooling areas, paying special attention to how Illinois’s heavy spring rains and winter snow melt currently flow across your roofing surface. Poor drainage planning can lead to water accumulation around panel mounting systems, causing leaks, structural damage, and voided warranties that cost thousands in repairs.
Examine existing gutters and downspouts to ensure they can handle the redirected water flow that solar panels create. Panels act as barriers, channeling rainwater and snowmelt into concentrated streams …