Roofing Q&A

Acrylic Roof Coating: ice and water shield usage?

Acrylic roof coating is a popular choice for protecting and extending the life of various roofing materials. It acts as a reflective, waterproof barrier that can help reduce heat build-up and prevent water damage. However, acrylic coatings alone are not designed to replace underlayment materials like ice and water shields, especially in regions prone to ice dams or heavy rain. Ice and water shield is a self-adhering membrane that provides extra protection at vulnerable areas such as roof edges, eaves, valleys, and around penetrations. It prevents water from backing up under shingles and into your home, which acrylic coatings, being surface treatments, may not fully stop if water gets underneath. The combination of an ice and water shield with acrylic roof coating can create a more comprehensive waterproofing system, particularly in colder climates where freeze-thaw cycles are common.

For a simple check, you can safely inspect your roof from the ground or a ladder to look for any signs of wear, cracks, or peeling in the acrylic coating that may indicate it’s time for reapplication or repair. Make sure gutters and downspouts are clear, helping water flow away from the roof surface. If you notice persistent water stains inside your home or see ice dams forming on your roof edges in winter, it’s a sign that your existing protective layers may not be enough. That’s the time to call a roofing professional to evaluate your roofing system. When talking to a contractor, you might ask, “Does my roof currently have an ice and water shield installed under the shingles, especially in vulnerable areas?” and “If I choose to apply an acrylic coating, how will adding or repairing the ice and water shield improve the overall water protection and warranty coverage?” This will help ensure a durable, code-compliant solution that keeps your home safe.