When it comes to insulating exterior walls in cold climates, several factors come into play, including R-value, material type, and installation methods. Common options like fiberglass, foam board, and spray foam each have unique benefits and drawbacks. Consider how moisture resistance and air sealing can impact your home's energy efficiency and comfort. Additionally, local building codes may influence your choices. Understanding these elements can help you make an informed decision that balances cost and effectiveness. Ask Improvi.ai for personalized guidance on selecting the best insulation for your specific needs!