EPDM Patch Disk 8in Round
EPDM Patch Disk 8in Round
SKU: RFGAD-PATCHDISK8
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⚠️ Important Pricing Update
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Seal Trust™ Patch Disks are uncured roofing membrane available in black with butyl mastic sealer die cut into 8” round disks. Can be used for flashing corners, as repair patches, or t-patches and anywhere required on EPDM, and most TPO membranes. Membrane must be cleaned prior to installation using Tape Primer.
Application Instructions:
Patch Disks are a multi use product used in inside/outside corners, t-joint covers, and patching or repairs of both EPDM and TPO membranes. Always clean and prime membrane using roofing industry standard products for tape applications. Lap Caulk should be used around all the outer edges of the disk for proper application. Use 3” steel roller for final installation step. Be careful to avoid fish mouths or air bubbles.
| Color | Black |
| Size | 8.5″ |
| Nominal Thickness | 80 mils |
| Adhesive Type | Butyl-based |
| Adhesion | To most clean, dry substrates/surfaces |
| Application Temperature | Temperature must maintain 40°F and above for at least 48 hours |
| Resistant to | Weather, water and water vapor, (5%) acidic or basic solutions |
| Effected by | Petroleum, grease, oil, solvents, vegetable oils, and animal fats |
| Storage | Store in warehouse without excessive heat. Do NOT store long term on roof |
| Shelf Life | 1 year if stored between 60°F and 80°F |
Shipping & Returns
Shipping & Returns

Seal Trust
While the name suggests a legacy in thread sealing, Seal Trust has evolved into a powerhouse for EPDM roofing repair and maintenance. The brand focuses on high-performance, pressure-sensitive solutions that extend the life of rubber roofing systems. By specializing in factory-applied adhesive technology, Seal Trust eliminates the need for messy liquid glues and primers, providing a cleaner, faster, and more reliable bond.