Waterproofing Tape – 10m x 120mm

ThermoSphere Waterproofing Tape – 10m x 120mm

ThermoSphere Waterproofing Tape is a high-quality, flexible, and lightweight neoprene-based tape designed specifically to seal joints and overlaps in the ThermoSphere underfloor heating membrane system. This waterproofing tape enhances the integrity of the heated floor system by providing an effective moisture barrier and preventing water ingress at seams, penetrations, and edges.

Key Features

• Length: 10 metres; Width: 120 mm for easy handling and wide coverage
• Made from a durable 3-ply neoprene material offering excellent waterproofing and elasticity
• Specifically formulated for use with ThermoSphere decoupling membranes and electric underfloor heating systems
• Ensures watertight seals in wet areas such as bathrooms, showers, and wet rooms
• Used in conjunction with ThermoSphere waterproofing paste to create a fully waterproof membrane system
• Compatible with tile and natural stone floor finishes
• Lightweight and flexible for easy application to uneven or complex surfaces including corners and joints
• Designed to maintain the integrity of the ThermoSphere system’s waterproof properties and improve durability

Typical Uses

• Sealing joints and overlaps between ThermoSphere membrane sheets
• Sealing corners, pipe penetrations, and wall-floor junctions within wet rooms
• Preventing moisture ingress and protecting tile adhesives and subfloor installations
• Used as part of ThermoSphere’s full waterproofing kit for wet area installations

Installation Advice

• Apply over clean, dry surfaces free from dust and contaminants
• Use with ThermoSphere waterproofing paste for best adhesion and sealing performance
• Press tape firmly to create airtight and watertight seals along membrane edges and overlaps
• Compatible with installation of tiles, natural stone, and other compatible floor finishes
• Follow manufacturer guidance to ensure full system waterproofing integrity

Why Choose ThermoSphere Waterproofing Tape?

This waterproofing tape is an essential accessory for ensuring a robust and moisture-tight underfloor heating installation in wet zones. Its tailored design for ThermoSphere systems offers peace of mind with proven waterproofing performance, flexibility for tricky areas, and easy integration within professional or DIY installation workflows.

Order the 10m roll of ThermoSphere Waterproofing Tape today to complete your underfloor heating waterproofing system with confidence.

Please note: Delivery times may vary depending on location, with specific details outlined below.

Standard Delivery

UK Mainland 

• Delivery Time: 2–4 working days
• Free Delivery on all orders

Express Delivery

UK Mainland

• Delivery Time: 1–3 working days
• Delivery fee of £15

Channel Islands

• Postcodes Covered: GY*, IM*, JE* 
• Minimum Order: £50
• Delivery Fee: £70

Northern Ireland, Offshore Territories & Scottish Islands 

• Postcodes Covered: BT*, HS*, KW, ZE
• Minimum Order: £50
• Delivery Fee: £35

Same Day Delivery 

• Eligible Postcodes:
  E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW*
• Minimum Order: £50
• Same Day Delivery Fee: £60
• Special Requests or Locations:
  For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.

Collections

Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.

Collection address: 284 Water Rd, Unit 9, London, HA0 1HX