Open-Cell vs Closed-Cell Spray Foam: Which Is Right for Your Home?

<p>Choosing between open-cell and closed-cell spray foam depends on your specific needs, budget, and application area.</p> <h2>Open-Cell Spray Foam</h2> <ul> <li><strong>R-value:</strong> 3.5-3.7 per inch</li> <li><strong>Cost:</strong> $1.00-$2.00 per sq ft</li> <li><strong>Density:</strong> 0.5 lb/cu ft</li> <li><strong>Best for:</strong> Interior walls, attics, soundproofing</li> <li><strong>Pros:</strong> Affordable, excellent sound absorption, expands to fill cavities</li> </ul> <h2>Closed-Cell Spray Foam</h2> <ul> <li><strong>R-value:</strong> 6.0-7.0 per inch</li> <li><strong>Cost:</strong> $2.00-$3.50 per sq ft</li> <li><strong>Density:</strong> 2.0 lb/cu ft</li> <li><strong>Best for:</strong> Exterior walls, crawl spaces, metal buildings</li> <li><strong>Pros:</strong> Highest R-value, moisture barrier, adds structural strength</li> </ul> <h2>Our Recommendation</h2> <p>For Alabama's humid climate, we typically recommend closed-cell for crawl spaces and exterior walls (moisture protection), and open-cell for interior walls and attics (cost-effective soundproofing).</p> <p><strong>Not sure which is right for you? Call Shoals Spray Foam at (256) 415-7610 for a free assessment.</strong></p>