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Energy Efficient Installation of windows using Tremco illbruckIntelligent Seals for Airtight Internal & Weathertight External Joints As building regulations change, new alternatives and techniques are necessary. The issue of uncontrolled air leakage from buildings has exploded in popularity with the changes to Part L in 2006 and 2010 demanding energy reduction targets to be dealt with and the introduction of mandatory air leakage testing. Highly rated windows are now almost always a requirement and to maximise this outlay, Tremco illbruck provide a product range to make certain the benefits as a result of such outlay are associated with a high quality application.

The Tremco illbruck BBA Approved i3 System

Tremco illbruck before and after using compriband TP600The system allows efficiency to the highest possible standard which will limit air leakage to below 1 m³/hr.m² @ 50 Pa, guaranteeing compliance with Code Level 6 and Passive House standards. The innovative “i3” system includes the technique of sealing out weather whilst sealing in comfort and energy savings. It boasts a variety of products to appropriately seal on three levels: Weather tight (but breathable) externally, air tight internally, with a thermal and acoustic insulation layer between.

By choosing the appropriate products from our web shop or catalogue, a simple, cost efficient installation will benefit the building owner / occupier for many years to come and the long-term savings will be appreciated by both.

The System Provides

Download The i3 system and product information

  • Weather seal for wind-driven rain
  • Vapour permeability
  • Thermal insulation
  • Acoustic insulation
  • Internal airtight seal


 tremco illbruck i3 system image