

The SF-686 Indoor/Outdoor Roll Mastic is a high-quality aluminum foil and butyl tape, ideal for sealing HVAC joints and seams. Measuring 2" x 100' with 17 mils thickness, it is designed for water resistance with UL 181B-FX approval. Compatible with the G80-192 model, this mastic is easy to install and provides long-lasting sealing performance. Install it in minutes with common tools.