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Authorized Distributor for HydroStop®, GAF and StreetBond Products
Authorized Distributor for HydroStop®, GAF and StreetBond Products

Sikalastic® 500 Flash

Single Component Silicone Roof Flashing

Sikalastic®-500 Flash is an enhanced high solids silicone formula that can be used in conjunction with a variety of liquid coatings and a variety of roof membranes.

It is designed to create a watertight liquid flashing for intricate roofing areas and details. With its low VOC’s, the single-component, moisture-cure liquid flashing is environmentally friendly. This high performing high solids silicone is durable, reflective and UV resistant and has excellent vertical hang and performs well under ponding water.


  • Can be used over a variety of roofing substrates including modified bitumen, built-up roofing, metal, spray polyurethane foam, wood, concrete, and a variety of systems.
  • Its fast curing time helps the applicator save time.
  • Can be used as part of a complete cool roof restoration system for the system.
  • Can be used for spot repairs
  • Reinforce seams, flashings and penetrations
  • Seal joint and penetration repairs for solar and air conditioning systems