Mapei Mapeband 120mm - Flexible Waterproof Jointing Tape

Mapei Mapeband 120mm

Flexible Waterproof Jointing Tape for Internal Corners, Movement Joints & Perimeter Sealing

Mapei Mapeband 120mm is a high-performance, alkali-resistant, rubber-backed waterproof jointing tape designed to seal movement joints, internal corners, and floor-to-wall transitions in wet areas. Used in conjunction with Mapei’s waterproofing products such as Mapelastic Smart or Mapelastic Foundation, Mapeband ensures long-lasting, flexible waterproof protection in bathrooms, wet rooms, terraces, balconies, and below-ground tanking systems.

Key Features & Benefits

• Waterproof & Flexible: Accommodates movement and creates watertight seals at critical points.
• Resistant to Chemicals & Alkalinity: Compatible with cementitious waterproofing mortars and adhesives.
• Excellent Bond Strength: Integrates seamlessly with Mapei waterproofing coatings.
• Durable Construction: Centre rubber strip bonded between two layers of non-woven fabric for reinforcement.
• Easy to Install: Embedded between two coats of waterproof membrane during application.

Product Details

• Type: Flexible rubber tape with non-woven fabric edges
• Width: 120mm
• Length: Supplied in 50m rolls (also available in 10m)
• Compatibility: Use with Mapelastic, Mapegum WPS, and other Mapei waterproofing products
• Application: Internal corners, perimeter joints, movement joints, wall/floor transitions
• SKU: MAPEBAND120

Application Instructions

1. Prepare Surface: Ensure substrate is clean, solid, and treated with the appropriate Mapei waterproofing membrane.
2. Apply First Coat: Spread a layer of waterproof coating (e.g. Mapelastic Smart) over the area to be sealed.
3. Embed Tape: Position Mapeband 120mm into the fresh membrane and press down firmly to embed the fabric edges.
4. Apply Second Coat: Cover the tape with a second layer of waterproof coating to ensure full encapsulation.

Limitations

• Not suitable as a standalone waterproofing system — must be used in conjunction with approved Mapei waterproof coatings.
• Do not stretch the rubber centre excessively during installation.

Health & Safety

No specific hazards in handling. Use gloves and ensure good ventilation when working alongside waterproofing coatings. Refer to the Safety Data Sheet (SDS) of associated products.