Practical roofing advice from 30 years in the business. Written by Jan Koszyk and the Leaders Roofing team.
Roofing companies move. They expand into new markets, get acquired, rebrand, relocate. We didn't. Thirty years in the same Mount Prospect address. Here's why staying put was the right call — and what it means for the customers who hire us.
Read article →Arlington Heights doesn't get the North Shore premium attention, but its mid-tier estate inventory deserves the same quality of specification. Here's the practical guide.
Read article →Elk Grove Village commercial property managers facing EPDM end-of-life decisions — when to repair, when to replace in EPDM, when to upgrade to TPO.
Read article →Glencoe's ravine-edge estate homes have specific water management challenges that go beyond the roof itself. Gutters, drainage, and slope matter as much as the shingle.
Read article →Lake County has seen several significant documented hail events in recent years. If your roof was damaged, here's exactly how the insurance claim process works — and how to avoid the mistakes that leave money on the table or create problems with your carrier.
Read article →Tile roofs outlast asphalt shingles by 15–25 years, but Illinois winters test them in specific ways. Here's what determines whether a repair is enough or whether the system needs replacing.
Read article →After every hailstorm, out-of-state crews flood Illinois neighborhoods. Here's how to spot them in 60 seconds — and why an honest local roofer won't door-knock you.
Read article →How Bensenville commercial property managers build 1/3/5-year roof capital plans across multi-tenant warehouse, logistics, and industrial portfolios.
Read article →When Mount Prospect commercial property managers should sign a maintenance contract vs single-job estimates — lifecycle cost framework from a 30-year local roofer.
Read article →Glenview cedar shake roof inventory in The Glen, Sunset Park, and Indian Ridge — what's working, what's failing, and how to plan the next 30 years.
Read article →A 2026 Lake Bluff slate restoration walkthrough: replacing damaged slates, re-soldering copper flashing, and how the project produced another 50 years of service life.
Read article →How Inverness estate-home owners decide between cedar shake and DaVinci synthetic slate — cost, lifespan, HOA review, and ownership-horizon math for 2026.
Read article →Cedar shake vs DaVinci synthetic slate on a Glencoe home — what holds up better in North Shore weather, and what we'd actually specify.
Read article →Why Northbrook homeowners are specifying soldered copper flashing over aluminum on cedar, slate, and architectural shingle re-roofs.
Read article →Slate roof restoration in Highland Park — when to replace, when to repair, and how to decide on a mature North Shore slate roof.
Read article →Material selection guide for Lake Forest Tudor Revival homes — cedar shake, natural slate, DaVinci synthetic, and architectural shingle compared.
Read article →30 years of Wilmette roofing has taught us a lot about ice dams. Here's what causes them, how to prevent them, and when the roof itself is the real problem.
Read article →Three decades in one place. Same family. Same license. Same Mount Prospect address. Here's what changed, and what didn't.
Read article →From three-tab asphalt and hot-mopped built-up to designer architectural shingles, cedar shake restoration, and modified bitumen — what's actually changed in 30 years of Chicagoland roofing, and what's stayed exactly the same.
Read article →Copper is the standard flashing material on Kenilworth's Tudor and Colonial Revival estates — but the difference between good copper work and contractor shortcuts is in the specific detail execution, not the material spec itself.
Read article →If your Lake Forest property is in the historic district or designated as landmark/contributing, visible exterior changes including roofing materials require Historic Preservation Commission review. Here's what we've actually seen approved and denied across decades of HPC submissions.
Read article →Sherwood Forest's mature canopy is part of what makes the neighborhood beautiful — and part of what shortens cedar shake life if maintenance doesn't account for it. Here's the actual maintenance rhythm we recommend for Sherwood Forest cedar.
Read article →If you're a Glencoe estate homeowner considering synthetic slate as an alternative to natural Welsh or Vermont slate, the three premium options aren't interchangeable. Here's the actual head-to-head comparison.
Read article →Cedar shake's fire vulnerability is real, and the difference between Class A fire-treated cedar and standard cedar matters for some Lake Bluff homes more than others. Here's the framework for the decision.
Read article →If your Bannockburn estate has original natural slate that's reaching the point of needing restoration or partial replacement, the slate type you specify for the new material has long-term consequences. Here's the framework.
Read article →On a Kenilworth slate roof, the flashing decision determines whether the system performs as a generational installation or a 25-year compromise. Copper isn't a premium upgrade — it's the only material that matches slate's expected service life.
Read article →Cedar shake projects on Chicagoland estate homes attract contractor proposals from every general roofer in the market. The crews that do cedar consistently are different from the crews that do mostly asphalt and occasionally take on cedar — and you can tell the difference by asking specific questions.
Read article →If a Lake Forest estate-home cedar shake roof is leaking, the first question is what actually failed. The cedar inventory often has decades of life left while the underlying flashing has reached end-of-life — and that distinction changes the project from $130K replacement to $30-50K restoration.
Read article →If you own a Winnetka Tudor or Colonial Revival estate home and your slate roof is reaching end-of-life — or your asphalt shingle replacement is approaching and you're considering an upgrade — natural slate vs synthetic slate is one of the most consequential decisions on the project. Here's the framework we walk Winnetka homeowners through.
Read article →If you manage 5 to 50 commercial buildings in the northwest suburbs corridor, your roofing line item is one of the largest unpredictable items on your operating budget. Here's how to make it predictable.
Read article →Both systems work. Neither is universally better. Here's the framework we walk Mount Prospect property owners through when deciding between TPO and modified bitumen on a 5,000 to 15,000 square foot strip mall or office building.
Read article →When modified bitumen makes sense for commercial flat roofs in Elk Grove, Bensenville, Mount Prospect, and the surrounding industrial corridor — and when TPO is the better answer.
Read article →Elmhurst has a mix of 1920s bungalows, mid-century Colonials, and newer construction homes. Each style comes with different replacement costs. Here's the real range for 2026, and what actually drives the number up or down on your house.
Read article →Every season has trade-offs. Here's what a 30-year Chicagoland roofer actually recommends — and why late spring through early fall usually wins, even if it's not the cheapest window.
Read article →Most commercial roof replacements in Chicagoland run $50,000 to $150,000+, but the range is wider than residential because the systems are genuinely different. Here's what drives commercial roofing pricing in 2026.
Read article →Chicagoland winters are hard on roofs. Freeze-thaw cycles, ice dams, wind, and heavy snow all accumulate damage that you won't see from the ground. Here's what to look for this spring — and when to call a roofer.
Read article →Coating a flat roof can save tens of thousands of dollars versus a full tear-off — but only when the deck underneath is still sound. Here's how a Chicagoland commercial roofer decides which is the right call for your building.
Read article →A flat balcony roof on a Winnetka stone home was leaking through to the living space below. Cracked membrane, failed flashing, no drainage. We restored full waterproofing with Gaco Silicone Roof Coating — no tear-off.
Read article →After every significant hail event, Lake County neighborhoods are flooded with out-of-state roofing crews within 48 hours. They're well-dressed, they have printed contracts, and they're a serious risk to your home and your insurance claim. Here's how to recognize them and what to do instead.
Read article →What to inspect on your Lake County roof after an Illinois winter — before small issues become expensive ones.
Read article →Lake County's commercial real estate — from the Route 41 corridor in Gurnee to Libertyville's industrial parks and Highland Park's retail strip — represents billions in property value sitting under roofs that most building owners don't think about until there's a leak. Here's what a maintenance program actually looks like and why it pays for itself.
Read article →Shingle lifespan by type, how Chicago's freeze-thaw cycles and hail shorten it, and when to start planning a replacement.
Read article →GAF, Owens Corning, CertainTeed, and Atlas — which ones actually hold up to Illinois winters.
Read article →How to pick shingle colors that work with your brick, siding, and neighborhood.
Read article →Lake County's roofing market has its own dynamics: storm chasers who follow every hail event, HOA requirements in premium communities, municipal permit variations from Libertyville to Lake Forest, and a premium market that rewards doing things right the first time. Here's how to hire well.
Read article →North Shore homes have long been defined by cedar shake roofs. But the calculus has shifted — premium architectural shingles have closed the visual gap while costing a fraction of what cedar replacement runs. Here's how to think through the choice.
Read article →Roofing an estate home on the North Shore is a fundamentally different project than reroofing a standard suburban ranch. The materials are different, the scale is different, the regulatory environment is different, and the margin for error is much smaller. Here's what separates contractors who can handle it from those who can't.
Read article →TPO and modified bitumen are both solid flat-roof systems — but they're suited to different buildings. Here's how to think about the choice for a residential low-slope roof or small addition in Chicagoland.
Read article →What drives the price of a new roof in the Chicago suburbs — materials, labor, size, and what to watch out for in estimates.
Read article →Licensing, insurance, storm-chaser red flags, and what a good estimate looks like.
Read article →Material lifespans, what shortens them, and when it's time to start planning.
Read article →The decision framework we walk homeowners through when their roof needs work.
Read article →Wymiana dachu to jedna z największych inwestycji w domu. Dla polskojęzycznych właścicieli domów w Chicagoland przygotowaliśmy ten przewodnik — po polsku, bez skomplikowanego żargonu — żeby decyzja była łatwiejsza i bezpieczniejsza.
Read article →Attic ventilation is the most overlooked factor in roof lifespan. In the Chicago suburbs, getting it wrong means premature shingle failure, ice dams, and voided warranties.
Read article →What a roof replacement actually costs in Lake County — from Waukegan to Lake Forest — and what drives the difference.
Read article →Lake County's proximity to Lake Michigan creates snow accumulation and freeze-thaw patterns that are harder on roofs than most inland suburbs experience. Understanding why ice dams form — and how to actually stop them — saves you from water damage that can cost tens of thousands to remediate.
Read article →The August 2025 hail event was one of the more significant weather incidents to hit Lake County in recent years. Thousands of homes took damage across the storm's path, but many homeowners still haven't had their roofs inspected — and the insurance filing window has a limit.
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