- 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 100% Rubber Polymer White Thermoplastic Flashing Sealant is a white all-weather, liquid rubber patching compound. APOC 505 is manufactured using a select blend of high performance rubber and solvent resulting in unmatched adhesion in wet and dry conditions as well as well as superior durability and long term life. APOC 505 forms a permanent 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 most single ply membranes. APOC 505 is ideal for metal seams, fasteners and areas with movement. Not recommended for PVC or new TPO membranes less than 5 years old.