Atlas ACFoam Supreme Foil Faced 2 Sides 4ft x 8ft Polyiso Roof Insulation Board – All Sizes

<p>Atlas ACFoam-Supreme is a premium polyiso roof insulation board, foil-faced on both sides, delivering high thermal performance, moisture resistance, and durability. Designed for a wide range of low-slope commercial and residential roofing systems, it provides long-term energy efficiency while being lightweight and easy to install.</p><h3>Key Features</h3><ul><li>Dual foil facers enhance thermal resistance and reflect radiant heat</li><li>High R-value per inch for superior insulation performance</li><li>Lightweight, rigid foam core simplifies handling and installation</li><li>Compatible with multiple roof assemblies (BUR, mod-bit, single-ply)</li><li>Can be installed in layers to meet custom thermal and slope design needs</li></ul><h3><br/></h3><table><tr><th>Thickness</th><th>R-Value</th><th>Board Size</th><th>Sheets / Pallet</th><th>Coverage / Pallet</th></tr><tr><td>1"</td><td>R-5.7</td><td>4ft x 8ft</td><td>48</td><td>1536 sq ft</td></tr><tr><td>1.5"</td><td>R-8.6</td><td>4ft x 8ft</td><td>32</td><td>1024 sq ft</td></tr><tr><td>2"</td><td>R-11.4</td><td>4ft x 8ft</td><td>24</td><td>768 sq ft</td></tr><tr><td>2.5"</td><td>R-14.4</td><td>4ft x 8ft</td><td>19</td><td>608 sq ft</td></tr><tr><td>3"</td><td>R-17.4</td><td>4ft x 8ft</td><td>16</td><td>512 sq ft</td></tr><tr><td>3.5"</td><td>R-20.5</td><td>4ft x 8ft</td><td>13</td><td>416 sq ft</td></tr><tr><td>4"</td><td>R-23.6</td><td>4ft x 8ft</td><td>12</td><td>384 sq ft</td></tr></table>