Delta Board Jointing Tape is a robust self-adhesive fibreglass mesh tape designed to reinforce and seal joints between thermal substrate insulation boards such as cement-coated polystyrene tile backer boards. It provides excellent alkali resistance and strong adhesion, preventing cracking and moisture ingress at insulation board seams.

Product Features

• Strong fibreglass mesh reinforcement with self-adhesive backing for fast, reliable joint sealing
• Alkali resistant, suitable for use with cement-based insulation boards and tile adhesives
• Roll length: 50 metres; typical width: 100mm
• Prevents thermal bridging, moisture infiltration, and cracking at board joints
• Compatible with DeltaBoard thermal substrate insulation and similar cement-coated boards
• Easy peel-and-stick application for secure and uniform joint reinforcement
• Suitable for internal and external use in floor and wall tile installations

Technical Specifications

• Material: Fibreglass mesh tape
• Adhesive: Alkali resistant, pressure-sensitive acrylic adhesive
• Roll length: 50 metres
• Width: Approximately 100mm
• Temperature application range: +10°C to +40°C recommended
• Surface compatibility: Cement substrates, thermal substrate insulation boards, gypsum plasterboard

Installation Instructions

• Ensure surfaces are clean, dry, and free from dust or debris
• Peel off backing and press tape firmly along joints between insulation boards
• Overlap tape ends where necessary to ensure continuity
• Embed the tape with appropriate skim coats or tile adhesives if required

Choose Delta Board Jointing Tape for durable, moisture-resistant sealing of your thermal substrate insulation board joints, enhancing the performance and longevity of your tile installations.