This OPTE Seal is a Passivhaus-rated seal and is adaptable to extremes in building movement, ideal for new builds, retrofits, or prefab systems.

• OPTE Seal is designed to seal window and door connection joints
• Multifunctional seal with excellent rain, air, acoustic and thermal insulations
• Replaces the need for caulks, spray foams and other insulation materials
• Used in conjunction with other OPTE System window installation accessories
• Contains vapour permeable properties to expel moisture
• Adapts to extremes in building movements
• Durable sealant that is pre-compressed before installation
• Passivhaus certified for air tightness
• Compatible with conventional construction materials
• Applied to sill, jamb and head of the opening during installation
• Ideal for new builds, retrofit, or pre-fab systems

This OPTE Seal Engineered Adaptive Seal complies with Australian standards such as AS 2047 7.2.2 & 7.3.1, NCC J4D3 & J5, NCC 2022 H2F2 and NCC H2P2. Discover Bowens range of exclusive OPTE accessories for your next project.