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Kingspan K5 Kooltherm K5 External Wall Board (EWB)

Kingspan Kooltherm® K5 EWB can be mechanically fixed to masonry or timber frame walls behind either traditional or lightweight polymer modified render systems. Once these boards installed, Building Regulations / Standards requirements for these applications can be exceeded.

Benefits

  • Premium performance rigid phenolic insulation - thermal conductivity 0.021-0.024 W/mK.
  • Negligible smoke obscuration.
  • Class O / low risk fire rating. Suitable for use behind traditional and lightweight polymer modified renders.
  • Suitable for use behind timber or tile rainscreens.
  • Transforms and upgrades the appearance of existing buildings. Resistant to the passage of water vapour.
  • Easy to handle and install. Ideal for new build and refurbishment. Non–deleterious material.
  • CFC/HCFC–free with zero Ozone Depletion Potential (ODP).

Applications

Kingspan Kooltherm®K5 EWB can be mechanically fixed to masonry or timber frame walls behind either traditional or lightweight polymer modified render systems. Once installed, Kingspan Kooltherm®K5 EWB can exceed Building Regulations / Standards requirements for these applications.

Technical Specifications

Kingspan Kooltherm®K5 EWB comprises a CFC/HCFC–free rigid phenolic insulation core with a tissue based facing on both sides manufactured to the highest standards under quality control systems approved to BS EN ISO 9001: 2000 by Kingspan Insulation Limited and shall be applied in accordance with the instructions issued by them.

Installing insulated render systems

As insulated render systems are proprietary and utilise different mechanisms for attaching insulation to the wall structure, site-work guidance should be sought from the system manufacturer. However, in the absence of any other guidance Kingspan Kooltherm® K5 EWB insulation boards are mechanically fixed to the exterior of masonry external walls using anchor bolts, expansion fixings, proprietary fixings or bedded in render. In the case of timber frame walls the Kingspan Kooltherm® K5 EWB insulation boards are temporarily pinned in place with all joints lightly butted. A breathable membrane e.g. Kingspan nilvent® is applied over the insulation boards and temporarily stapled or pinned in place. Preservative treated softwood battens are fixed vertically at centres to coincide with the timber frame wall studs. The expanded metal / cementitious board to carry the render is then fixed to the vertical battens. Sill extenders and flashings are used around openings, although the use of rigid phenolic insulation minimises the overall thickness of the external render system.

For more information about Kingspan Kooltherm K5 Insulation System - Click here

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