Kimberly-Clark Block-It Flashing Tape - 75' Roll

Quick ID: Q30818


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  • UV-resistant, polyolefin-coated fabric, single coated with a butyl rubber adhesive
  • Energy efficiency around doors and windows
  • Seamless protection against moisture during construction and after siding is installed
  • Long-term adhesion to a variety of surfaces including OSB and other standard building substrates
  • Exceptional nail sealability
  • Asphalt-free adhesive will not stain surfaces
  • 100% VOC free


The Block-It Flashing Tape is a UV-resistant polyolefin coated fabric, single coated with a butyl rubber adhesive providing energy efficiency around doors and windows.

The tape has UV resistance with excellent aging properties of up to 90 days and long-term adhesion to a variety of building surface substrates including OSB. The asphalt-free adhesive will not stain surface and the superior cold flow leads to an exceptional ability to seal around nails. It can be applied between 20 to 110 degrees F.


Sub BrandBlock-It
Can Be Cut to LengthYes
Code ApprovalExceeds AAMA 711-07
Compatible MaterialsBlock-It House Wrap
Installation Temperature20 to 110 Degrees F
Package Quantity1
StorageIn Cool, Dry Place Below 76 Degree F. Rolls Should be Stored on End.
Tensile Strength (PSI)18
Manufacturer Part NumberBI675FT

Weights and Dimensions

Length (Feet)75
Thickness (Inches)16 mils
Dimensions6" X 75'
Width (Inches)6

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