AG PANEL TOP, AG PANEL BOTTOM / COMMERCIAL PANEL TOP, COMMERCIAL PANEL BOTTOM / INDUSTRIAL PANEL TOP, INDUSTRIAL PANEL BOTTOM / STANDING SEAM TOP
Purpose-built steel exclusion strips designed to close open rib cavities in metal roofing and siding. Pest-Blok™ helps prevent pest and wildlife entry while maintaining intended ventilation and delivering a clean, professional finished appearance.
Steel Exclusion Solutions for Metal Roof, Metal Siding, and Vinyl Corner Gaps™
HY-GUARD EXCLUSION® Pest-Blok™ Corrugated Exclusion Strips are precision-formed Galvalume® steel barriers designed to close the open rib cavities found in metal roofing and siding systems. Available in profiles for agricultural, commercial, industrial, and standing-seam panels, Pest-Blok creates a durable barrier against insects, birds, bats, mice, and other nuisance wildlife while allowing intended ventilation to remain unobstructed. Designed for both new construction and retrofit applications, the strips install neatly beneath or behind the panel assembly for a secure, long-lasting, virtually hidden solution.
Product Sheet
Deters insects, mice, birds, bats, and more.
Installs quickly behind or beneath corrugated panels during new installs or retrofits.
Provides a clean, professional finish while sealing common entry points.
Crafted in St. Louis, Missouri by skilled metal fabricators.
*Excludes Installations within 25 Miles of a Saltwater Coast
See how Exclusion Pros nationwide trust Pest-Blok™ products to keep homes protected!
Learn how to care for your home and get the best out of your home solution products. This library of content was crafted with the help of experts to teach you about HY-C® products and the intricacies of the industries we serve.
HY-GUARD EXCLUSION® exists to provide roof-to-foundation protection against nuisance wildlife. We work directly with wildlife exclusion and pest control experts in the field to develop cutting-edge exclusion solutions. As homes and business facilities change, we’ll continue to adapt our production processes and product selection to build the exclusion tools that meet your needs.
HY-GUARD EXCLUSION’S® “CERTIFIED INSTALLER” seal represents a comprehensive understanding of the Whole Home Exclusion™ process. Homeowners trust Certified Installers to defend their homes against nuisance wildlife, and HY-GUARD EXCLUSION relies on Certified Installers to promote, explain, install, and maintain our wildlife exclusion products on homes and businesses everywhere.
Learn more about how you can become a HY-GUARD EXCLUSION Certified Installer today!

Our HY-GUARD EXCLUSION® brand provides safe, secure, and durable products to Improve Your Life and the Life of Your Home™. Designed and manufactured as long-lasting Home Solutions Built Better™, our warranty applies to products installed properly and used in accordance with the intended use. We reserve the right to refuse warranty coverage based upon field modifications, improper installation, and/or improper use. Our warranty applies to the original purchaser of product and is non-transferable. All warranty claims must include a copy of the original invoice showing the date purchased, seller name, and model number. Warranty coverage commences on the date of purchase. Our liability under this warranty is limited to the replacement cost of the product purchased and does not cover any costs of shipping, labor, or consequential damages related to the performance of the product.
We work hard to help every customer with every warranty need. Registering your HY-C® brand products for warranty helps us to help you better, faster, and more efficiently.
Register today to help save time later on!
Curious about additional solutions to keep wildlife and pests from invading your home? Be sure to take a look at the products listed below!
Discover the tools you need to avoid costly home damage and ensure long-term comfort and security under your roof. Use the Product Locator to find the perfect solution to the problems facing your home today!