Maintenance and Retrofit Options for Roof Coverings, Opening Protection Systems, and Exterior Building Elements (CNMI MAT 1)

This fact sheet provides practical maintenance and retrofit recommendations for roof coverings, opening protection systems, and exterior building elements in residential buildings in the Commonwealth of the Northern Mariana Islands. It details yearly inspection and maintenance tasks, as well as retrofit options to improve wind resistance and reduce vulnerability to wind-driven rain and debris. The guidance is tailored to common building types and materials found in the region and is intended to help homeowners and building professionals increase disaster resilience and extend building lifespan.