The Resource Center
A growing library of practical, plain-language articles from Samuel Sullivan — the state’s leading humane bat exclusion authority. Written for Michigan homeowners, inspectors, and agents. Updated continuously.
16 articles
Editor’s pick
Bat RemovalFeatured article
A step-by-step walk-through of what a professional Michigan bat exclusion actually looks like — from the initial dusk-watch inspection to the final one-way tube removal.
Samuel Sullivan
Bat RemovalA calm, correct protocol for the moment a bat gets inside — including when to seek medical guidance and how to safely contain the animal for testing.
Samuel Sullivan
Bat PreventionBats can enter through a gap the width of a pencil. Here are the seven entry points on a typical Michigan home that account for 90% of infestations.
Samuel Sullivan
Michigan Wildlife LawsWhy exclusions are legally restricted during summer, what it means for your timeline, and the humane logic behind the rule.
Samuel SullivanMichigan Wildlife LawsA plain-language breakdown of Michigan's bat protection statutes, federal overlays, and homeowner obligations under state law.
Samuel SullivanAttic RestorationHistoplasmosis, respiratory PPE, and why the cleanup phase is often more delicate than the exclusion itself.
Samuel SullivanAttic RestorationHow to decide between spot-treating and a full attic tear-out after a colony has been removed. Cost, health, and resale implications.
Samuel Sullivan
Buying & Selling HomesThe signs a professional inspector looks for, disclosure implications in Michigan, and how to keep a deal on track.
Samuel SullivanBuying & Selling HomesA negotiation and remediation playbook for buyers who love the house but not the surprise in the attic.
Samuel SullivanSeasonal Bat ActivityRoosting, birthing, pupping, migrating, hibernating — a month-by-month field guide to bat behavior in Michigan.
Samuel SullivanSeasonal Bat ActivityCooler nights push bats to seek winter shelter. Here's how to spot the signs early and act before hibernation locks in your timeline.
Samuel SullivanHome Maintenance TipsA short DIY walk-around every Michigan homeowner should do in April — the small stuff that prevents the big stuff.
Samuel SullivanHome Maintenance TipsThe three most common failure points on a Michigan home and the mesh specifications that actually keep wildlife out.
Samuel SullivanBat PreventionThe wrong material fails within one Michigan winter. Here's how professionals choose between polyurethane, silicone, foam, and mesh.
Samuel SullivanBat PreventionNine specific reasons the internet-sourced fix doesn't hold — and how to tell if your existing exclusion is quietly failing.
Samuel SullivanBat RemovalRoosting logic, thermal preferences, and why some homes attract colonies year after year while neighboring homes don't.
Samuel SullivanBrowse by topic
The Field Notes
One thoughtful email each month — a new article, a seasonal reminder, and one thing Sam saw in the field. No spam, no selling, one-click unsubscribe.
