SikaProof® Ex Tape 100

SikaProof® ExTape-100 External Waterproofing Joint Tape

SikaProof® ExTape-100 is a high-performance self-adhesive sealing tape designed for external jointing and detailing of the SikaProof® A+ waterproofing membrane system. Manufactured with a durable aluminium/PET carrier and a high-performance butyl adhesive, it creates a secure watertight seal over membrane joints and details, helping to maintain the integrity of below-ground waterproofing systems.

Designed for professional waterproofing applications, SikaProof ExTape-100 provides excellent adhesion and long-term sealing performance on the yellow membrane face of SikaProof A+ membranes. The divided release liner allows quick, accurate installation, making it ideal for sealing overlaps, joints and detailing around complex waterproofing areas.

As part of the SikaProof A+ waterproofing system, ExTape-100 delivers reliable protection against water ingress in basements, foundations, lift pits, retaining walls and other below-ground reinforced concrete structures.

Key Features & Benefits

• Self-adhesive waterproofing joint tape
• Designed for SikaProof A+ membrane systems
• High-performance butyl adhesive
• Durable aluminium/PET carrier
• Excellent adhesion and sealing performance
• Divided release liner for fast installation
• Easy to position and apply
• Creates reliable waterproof joints
• Suitable for below-ground waterproofing
• Ideal for membrane overlaps and detailing
• Long-lasting sealing performance
• Professional-grade waterproofing accessory

Applications

• External membrane joints
• Waterproof membrane overlaps
• Basement waterproofing
• Foundation waterproofing
• Retaining walls
• Lift pits
• Tunnels
• Below-ground concrete structures
• Construction joint detailing
• Waterproofing system detailing

Technical Information

• Product Type: Self-adhesive waterproofing joint tape
• System Compatibility: SikaProof® A+ Waterproofing System
• Adhesive Type: Butyl
• Carrier: Aluminium/PET
• Colour: Grey carrier with black butyl adhesive
• Roll Width: 100mm
• Roll Length: 20m
• Thickness: 1.0mm
• Application Temperature: +5°C to +35°C
• Storage Temperature: +5°C to +25°C
• Shelf Life: 24 months
• Packaging: 6 rolls per box

Frequently Asked Questions

What is SikaProof ExTape-100 used for?

It is used for sealing external joints, overlaps and detailing within the SikaProof A+ waterproofing membrane system.

Can ExTape-100 be used on any waterproof membrane?

No. It is specifically designed for use with the SikaProof A+ waterproofing system.

How is the tape installed?

Remove the release liner, apply the tape to the yellow membrane surface and press firmly using a pressure roller.

Can the tape be left exposed?

No. It should not be permanently exposed to UV light or weathering and should be covered as soon as possible, and within 90 days of installation.

What temperatures can it be installed in?

The recommended installation temperature is between +5°C and +35°C.

Downloads

Data Sheet