Learning Center

Local Guides on Exterior Cleaning
& Curb Appeal

Guides organized by region — find articles written for your specific city and climate.

Start here: The Pressure Washing PSI Chart — safe pressure for every surface, plus our Northland seasonal cleaning calendar.

Featured Guides

Our most in-depth resources — written for the Northland, not the internet.

What’s That Stain?
Interactive identifier for all 16 Northland exterior stains
Shingle Warranty Guide
What GAF, Owens Corning & CertainTeed allow
The 12 Vetting Questions
How to hire a washer — printable consumer checklist
Closing the Cabin
Fall exterior shutdown for lake homes
The Fog Line & Your Siding
How Duluth’s microclimates age homes differently
What’s in the Tank
Soft wash chemistry, explained honestly
2026 Price Guide
What exterior cleaning really costs in the Northland
The PSI Chart
Safe pressure for every surface — free reference
Spring Checklist
23 post-winter checks — interactive
Ice Dams & Gutters
The fall cleaning that saves MN roofs
Roof Streaks & Moss
What's growing up there and the warranty-safe fix
Soft Wash vs. Pressure Wash
30-second picker for your project
The Green North Wall
Why Duluth siding turns green & the lasting fix
Selling? Read This
Pre-listing exterior plan that pays for itself
Salt vs. Your Driveway
The spring wash that stops spalling
Hard Water Spots
What's removable vs. permanently etched glass
Deck Staining Timing
The July–August window explained

Expert Answers

Deep answers to the specific questions Northland homeowners and businesses actually ask.

Roof & Gutters

How Long Does a Roof Cleaning Last? → Can Moss Survive a MN Winter? → Metal Roof Cleaning Rules → Cedar Shake Roofs → The Roof Lifespan Math → Tiger Stripes Won’t Scrub Off →

Siding & Soft Washing

LP SmartSide Washing Rules → Duluth Stucco & EIFS → Cedar Siding Care → Washing Before Painting → The Bug Side of Washing → The Faded South Wall →

Concrete & Hardscape

Paver Patios & Joint Sand → Sealing Concrete → Oil Stains: An Honest Guide → Orange Stains on Concrete → Stamped Concrete Care → Asphalt Driveway Rules →

Windows & Commercial

Storefront Glass Cadence → Solar Panel Cleaning → The Property Manager’s Calendar → Dumpster Pad Cleaning → Shops & Warehouses → Screens: The Forgotten Half →

Seasonal & Situational

Post-Construction Washing → Droppings & Guano: Safe Removal → Fence Clean-and-Stain Cycle → Playset Cleaning Safety → Docks: Lake-Safe Cleaning → Graffiti: The First 48 Hours →
Twin Ports & Proctor
North Shore