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Collection of G-Tape rolls with labels on a white background
Roll of 2 inch Nichigo G-Tape on a white background
Roll of 4 inch Nichigo G-Tape on a white background
Roll of 6 inch Nichigo G-Tape on a white background
Roll of 9 inch Nichigo G-Tape on a white background
Roll of 12 inch Nichigo G-Tape on a white background
Collection of G-Tape rolls with labels on a white background
Roll of 2 inch Nichigo G-Tape on a white background
Roll of 4 inch Nichigo G-Tape on a white background
Roll of 6 inch Nichigo G-Tape on a white background
Roll of 9 inch Nichigo G-Tape on a white background
Roll of 12 inch Nichigo G-Tape on a white background

Alpha Nichigo G-Tape 3040 Series Flashing Tape

Acrylic Flashing Tape for Exterior Waterproofing

$20.02 - $98.96
$32.60
$32.60
$20.02 - $98.96
$32.60
Alpha  |  MPN: 3040BK-GT-4-65  |  UPC: 850011740248
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Availability:
Out of stock
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4 in stock!
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7 in stock!
Size: 4"x65'

4" × 65' G-Tape™ 3040 Specifications

  • Tape Dimensions: 4 in × 65 ft
  • Tape Type: Acrylic flashing tape
  • Color: Black
  • Bond Type: Permanent adhesive
  • Temperature Range: -40°F to 176°F
  • Compliance: AAMA 711 Level 3 Class A

Alpha® Nichigo G-Tape™ 3040 Series is an acrylic flashing tape designed for waterproofing deck joists, beams, windows, and door openings. It provides primer-free adhesion, UV resistance, and temperature performance from -40°F to 176°F for exterior construction applications.

Key Features
  • Acrylic Flashing Tape: Designed for exterior waterproofing and flashing applications.
  • Primer-Free Adhesion: Bonds without additional primers.
  • Wide Temperature Range: Maintains adhesion from -40°F to 176°F.
  • Hand-Tearable Construction: Tears cleanly without cutting tools.
  • UV and Weather Resistant: Suitable for exterior exposure.
  • Permanent Bond: Forms a long-term adhesive connection.
Best For
  • Deck joist and beam waterproofing
  • Window flashing installations
  • Door opening flashing applications
  • Exterior weatherproofing assemblies
  • Primer-free flashing installations

Why Professionals Choose Tile This

  • Free shipping on eligible orders $200+
  • Same-day shipping before 2 PM CST (Mon–Sat) for in-stock items
  • Eligible for our Contractor Pricing Program
  • Authorized Alpha Dealer
Alpha Nichigo G-Tape 3040 Series Flashing Tape 4"x65' $32.60

Description

Alpha® Nichigo G-Tape™ 3040 Series is an acrylic flashing tape designed for waterproofing deck joists, beams, windows, and door openings. It provides primer-free adhesion and permanent bonding for exterior flashing applications.

The tape is hand tearable, UV resistant, weather resistant, and maintains adhesion in temperatures from -40°F to 176°F. It is available in multiple widths to accommodate a range of flashing and waterproofing applications.

Specifications

Size Type Color Bond Type
2" x 65' Acrylic Flashing Black Permanent
4" x 65' Acrylic Flashing Black Permanent
6" x 65' Acrylic Flashing Black Permanent
9" x 65' Acrylic Flashing Black Permanent
12" x 65' Acrylic Flashing Black Permanent

Frequently Asked Questions

What is Alpha Nichigo G-Tape 3040 Series used for?
Alpha Nichigo G-Tape 3040 Series is used for waterproofing deck joists, beams, windows, and door openings in exterior construction applications.
Does this flashing tape require a primer?
No. Alpha Nichigo G-Tape 3040 Series is designed for primer-free installation.
What temperature range can this tape withstand?
Alpha Nichigo G-Tape 3040 Series maintains adhesion in temperatures from -40°F to 176°F.
Can the tape be torn by hand?
Yes. Alpha Nichigo G-Tape 3040 Series is hand tearable and can be applied without cutting tools.
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