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workable for placing and finishing operations. As concrete dries and hardens, surplus water will evaporate, leaving the concrete surface porous.  Water from the surrounding environment, such as rain and snowmelt, can enter these pores. Freezing weather can turn this water to ice.  As that happens

as an Inspector Qualifying Course Instructor and Inspector ICE Course Instructor with License #1. 10 years ago North Carolina Home Inspector Licensure Board NCHILB has approved InterNACHI's Infrared Certified® Instructor John McKenna as an Elective Course Instructor. 10 years ago ABC News website links

Shingles, Part 30 Moisture Effects of Moisture Ice Dams Mastering Roof Inspections: Asphalt Composition Shingles, Part 31 The Asphalt Layer Volatiles Mastering Roof Inspections: Asphalt Composition Shingles, Part 32 DUCTILITY  Filler Polymers Transition Temperature Mastering Roof Inspections: Asphalt

the Perimeter: Inspecting Foundation Anchor Bolts and Sill Plate Protocols (IRC R403.1.6). Learn about the connection between a building's frame and its foundation. Inspecting Frost-Protected Shallow Foundations (FPSF in IRC R403.3). Learn about frost heave, ice lenses, and frost-protected shallow foundations

Protocols (IRC R403.1.6). Learn about the connection between a building's frame and its foundation. Inspecting Frost-Protected Shallow Foundations (FPSF in IRC R403.3). Learn about frost heave, ice lenses, and frost-protected shallow foundations.  Inspecting Foundation Drainage: Essential Guideline

leaves and pine needles create an acidic solution that will eat away at the galvanized coating on metal chimney covers, leaving them exposed to rusting from rain and melting ice and snow. The weakened metal will permit the entry of water inside the chimney, causing further rusting. This condition is less

, as a vapor, and it can be adsorbed (that's adsorbed with a "d"). Rain water is an example of a liquid. Ice is an example of a solid. And the steam from a boiling pot is an example of water vapor. We won't get into adsorption in detail, but the way in which micro-pores of a plaster wall can adsorb