Best Insulation for New Construction: Compare Types, Cost & Top Tips
When you’re planning a new home or commercial building, insulation may not feel like the most exciting decision. But trust me—it’s one of the most important. On my last project, I quickly realized that investing in proper insulation from the very beginning was a game-changer. It made the house more comfortable year-round, cut energy bills, eliminated drafts, and even added long-term resale value. Here’s my full review of the best insulation options for new construction , with pros, cons, and cost tips—so you can make the smartest choice for your project. Top Insulation Types for New Homes 1. Fiberglass Batts (Cheap & Easy to Buy) Pros: Affordable, widely available, DIY-friendly Cons: Gaps or poor installation reduce performance Best for: Attics, large wall areas on a budget 2. Spray Foam Insulation (Best for Air Sealing) Pros: Expands to fill every crack, high R-value per inch, excellent air barrier Cons: Higher upfront cost Best for: Irregular...