• Minimal Expansion / Low Pressure Build: Meets AAMA 812; designed not to distort frames.
• Flexible & Durable Seal: Maintains integrity across temperature fluctuations.
• Airtight & Water-Resistant: Forms a resilient barrier against air and moisture, sustainably improves energy efficiency.
• Reusable: Great Stuff PRO remains reusable on a PRO dispensing gun for up to 30 days if properly sealed.
• Finish Friendly: Paintable, sandable, and stainable after cure.
• UL Classified & Code Tested: Approved to UL 723 and evaluated per ICC‑ES ESR‑1961, ASTM E‑standards, CCMC R13074, CAN/ULC S710.1.

• Application Temperature: 40 °F–100 °F (4 °C–38 °C); humidity ≥ 20%
• Cure Times:
  • Tack-free: ~3–10 minutes
  • Trim-ready: ~60 minutes
  • Full cure: ~8–12 hours
• Yield: ~16–18 standard windows per 20‑oz gun can (36″×60″ window, 3/8″ gap, 1″ depth)
• Service Temperature: Up to 240 °F (116 °C); avoid direct flame exposure
• Shelf Life: 18 months at ~75 °F (24 °C)
• Physical Properties (typical):
  • Compressive strength: ~3 psi (~21 kPa)
  • Density: ~1.29 pcf
  • Open-cell content: < 75%
  • Flame spread/smoke developed: 10/20–35

Ideal for sealing the perimeter between window/door frames and rough openings in residential or light commercial construction. It is suited for new installs or replacements where a controlled expansion is needed.

Common Substrates:

• Wood (framing)
• Vinyl window frames
• Metal (aluminum/steel) frames
• Composite frames
• OSB/plywood surround
• Brick/masonry openings
• Drywall (interior finish)

• Prep: Ensure surfaces are clean, dry, and free from oil/dust.
• Shake: Shake can vigorously for 60 seconds before use.
• Attach: Connect can to PRO Series dispensing gun or straw; purge air.
• Apply: Invert can, fill cavity ~50% to allow expansion; apply a slow, steady bead.
• Cure: Tack‑free in 3–10 minutes; trim in ~60 minutes; full cure within 8–12 hours.
• Finish: Trim, sand, paint, or stain as desired once fully cured.
• Cleanup & Reuse: Leave can attached to the gun for up to 30 days; clean with PRO Gun Cleaner.