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Covalence/Tyco 627-20
Window Flashing Tape

General Information
627-20 is a 20mil, polyethylene, low density tape, primarily used under tile on the ridge and hip lines of roofs to prevent moisture from entering the building.
Backing Adhesive
(unwind)		 Thickness
(total)		 Liner Type
(outer)
PE - Polyethylene Rubber 20.00 mil Polyethylene (blue)

Adhesion to Steel
180° Peel		 Adhesive Activation Tensile Strength Elongation Percent
224.00 oz/in Pressure    

Min Application
Temp		 Min Service
Temp		 Max Short-Term
Temp		 Max Long-Term
Temp
30 °F 30 °F 200 °F 150 °F
Adhesive Tape Features
  • Adhesion to backing=96oz/in
  • Adhesion to plywood=9lb/in
  • Permeance=<0.3perms
  • Tensile-CD=10lb/in width
  • Tensile-CD=25lb/in width
  • Weight=14.4oz/sq yd
  • Adhesive=butyl adhesive
  • Provides a strong and immediate adhesion even during extremely cold application conditions (30°F to 150°F)
  • Formulated for conformability in both warm and cold weather temperatures
  • Compatible with coal, tar, fusion bonded epoxy, and polyethylene
  • Easy application-just peel and stick
  • Resists UV degradation for up to 30 days of direct exposure to sunlight
  • Easy to remove blue polyethylene release liner will not tear
Adhesive Tape Applications
  • Used under tile on the ridge and hip lines of roofs to prevent moisture from entering the building
  • Skylights and dormers
  • Window and door openings
  • Any above grade critical areas that need protection against water and air leaks
Adhesive Tape Markets Served
Adhesive Tape Colors
  • Black

Comparable products

Covalence/Tyco 627-20 View Datasheet
Window Flashing Tape
Backing Adhesive Thickness Adhesion
 PE - Polyethylene   Rubber   20.00mil   224.00oz/in 

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