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Alpha Nichigo G-Tape 3045 Series Self-Adhering Flashing Tape

Premium Low Surface Energy Flashing Tape for Rubber Seaming
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Self-adhering flashing tape with a proprietary acrylic adhesive formulated for strong, permanent adhesion to rubber, including EPDM. Hand-tearable, repositionable, and rated from -40°F to 176°F for all-weather seaming and flashing applications.

$23.88
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SKU: ALP-SEAMING-RUBBER-3045BK-GT-2-65
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At a Glance

Quick Decision Guide

Tape Size 2" x 65' (50 mm x 20 m)
Flashing Type Premium Low Surface Energy
Recommended For Seaming Rubber
Adhesive Proprietary Acrylic
Bond Type Permanent
Color Black
Temperature Range -40°F to 176°F (-40°C to 80°C)
Compliance AAMA 711-13 Type A, Level 3 & AC 148

Why Choose This Product

Key Benefits

Strong Rubber Adhesion

Proprietary acrylic adhesive bonds to rubber, including EPDM

High Static Shear

Designed for secure seaming of rubber sheets

Primer-Free Application

Meets AAMA 711-13 Type A requirements without primer

Hand-Tearable

Tears straight by hand without requiring a cutting tool

Repositionable

Allows adjustment during application to reduce wrinkles

Scrap-Less Handling

Adhesive-to-adhesive contact separates without damaging the adhesive

All-Weather Use

Performs from -40°F to 176°F (-40°C to 80°C)

Alternative Flashing

Provides an acrylic adhesive alternative to asphalt and butyl tapes

Product Information

Product Details

Specifications

Brand
Alpha®
Part Number
3045BK-GT-2-65
UPC
850011740842
Product Type
Self-Adhering Flashing Tape
Series
Nichigo G-Tapeâ„¢ 3045 Series
Size
2" x 65' (50 mm x 20 m)
Width
2" (50 mm)
Length
65' (20 m)
Flashing Type
Premium Low Surface Energy Flashing
Recommended Application
Seaming Rubber
Rubber Compatibility
Includes EPDM Rubber
Backing
Laminated Polyethylene Cloth
Adhesive
Proprietary Acrylic Adhesive
Bond Type
Permanent
Color
Black
Primer Required
No for AAMA 711-13 Type A Compliance
Application
Hand-Tearable & Repositionable
Temperature Range
-40°F to 176°F (-40°C to 80°C)
AAMA Compliance
AAMA 711-13 Type A, Level 3
Exposure Rating
Up to 176°F
Additional Compliance
AC 148

About This Product

Low Surface Energy Flashing Tape for Rubber Seaming

Alpha® Nichigo G-Tape™ 3045 Series is a single-sided, self-adhering flashing tape made with laminated polyethylene cloth and a proprietary acrylic adhesive. Designed for strong adhesion to rubber and other low surface energy applications, the 3045 Series provides high static shear for seaming rubber sheets, including EPDM rubber.

Permanent Acrylic Adhesion Without Primer

The proprietary acrylic adhesive creates a permanent bond and meets AAMA 711-13 Type A requirements without primer. The tape is a practical replacement for asphalt and butyl tapes where strong rubber adhesion, clean handling, and dependable flashing performance are required.

Hand-Tearable and Repositionable Application

G-Tape 3045 Series tears straight by hand without a cutting tool and can be repositioned during installation to reduce wrinkles. Its scrap-less adhesive allows face-to-face adhesive contact to separate without damaging the adhesive, simplifying handling and placement on the jobsite.

All-Weather Performance from -40°F to 176°F

The flashing tape is rated for all-weather use from -40°F to 176°F (-40°C to 80°C). It meets AAMA 711-13 Type A, Level 3 requirements for exposure up to 176°F and also meets AC 148. Six 65' roll widths are available from 2" through 12" for different seaming and flashing requirements.

Product Resources

Documentation & Downloads

Common Questions

Frequently Asked Questions

What is Nichigo G-Tape 3045 Series used for?

G-Tapeâ„¢ 3045 Series is designed for seaming rubber sheets and other low surface energy flashing applications where strong, permanent adhesion is required.

Does G-Tape 3045 adhere to EPDM rubber?

Yes. The proprietary acrylic adhesive is designed for strong adhesion to rubber, including ethylene propylene diene monomer (EPDM) rubber.

Does G-Tape 3045 require a primer?

No primer is required for the tape to meet AAMA 711-13 Type A requirements.

Can G-Tape 3045 be torn by hand?

Yes. The laminated polyethylene cloth tape is designed to tear straight by hand, eliminating the need for a cutting tool during application.

Can the flashing tape be repositioned during installation?

Yes. G-Tape 3045 can be repositioned during application to help prevent wrinkles and improve placement.

What temperature range is G-Tape 3045 rated for?

The tape is rated for all-weather use from -40°F to 176°F (-40°C to 80°C).

What standards does G-Tape 3045 meet?

G-Tape 3045 meets AAMA 711-13 Type A without primer, Level 3 for exposure up to 176°F, and AC 148.

What widths are available?

The 65' rolls are available in 2", 3", 4", 6", 9", and 12" widths.