- Thick, durable rubber repair
- Expands & contracts with roof movement
- Ideal repair for metal, concrete, single-ply, and other roofs with significant movement
APOC 505 Eterna-Patch is a white, thermoplastic, liquid rubber patching compound. It is manufactured using a select blend of high performance rubber resulting in unmatched durability and long term life. APOC 505 Eterna-Patch forms a thick, heavy duty rubber repair that expands and contracts with roof movement while remaining flexible and watertight. This product is excellent for application to metal roofs, concrete and some single ply membranes. APOC 505 is ideal for metal seams, fasteners and areas with movement.