Dow -DOWSIL™ 778 Silicone Liquid Flashing

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What is DOWSIL™ 778 Silicone Liquid Flashing?
A one-part, neutral cure, trowel grade silicone liquid flashing for window and door flashing applications as well as general purpose sealing for transition details behind the exterior facade.

Category: caulking compounds | caulks | elastomeric sealants...

MasterFormat: Flashing and Sheet Metal | Flexible Flashing | Joint Protection...



Dow
Corporate Center
PO Box 994
Midland, MI 48686
Tel: (586) 496-4000

fixspec@dow.com

https://www.dow.com/en-us.html

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Overview


DOWSIL™ 778 Silicone Liquid Flashing


What is DOWSIL™ 778 Silicone Liquid Flashing?
A one-part, neutral cure, trowel grade silicone liquid flashing for window and door flashing applications as well as general purpose sealing for transition details behind the exterior facade.
Uses

  • Liquid flashing of windows and door openings
  • General sealing for transition details
Benefits
  • Compatible with DOWSIL™ Silicone Air Barrier System
  • Compatible with other weather barrier types including self-adhering and fluid-applied membranes
  • Long tooling time to facilitate workflow when prepping a whole window opening
  • High durometer for abrasion resistance
  • No primer required over cut edge gypsum board
  • Durable, flexible silicone chemistry
  • Long-term UV resistance
  • Application temperature down to -20°F


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Specifications

Application Benefits
Primerless AdhesionPrimerless
Special FeaturesFlashing
Product Use and Formulating
Cure System1-Part Cure
Number of PartsOne
Where UsedJob Site
Working Time30 Minutes
Typical Properties
Adhesion toBrickwork, Concrete, Masonry, Metal, OSB/Sheathing
AppearanceOpaque
ChemistryNeutral
Durometer - Shore A40 Shore A
Elongation250 %
MovementLow
Peel Strength> 15 ppi
Shelf Life360 Days
SubstrateNon-porous
Tensile Strength210 psi