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Structural Insulated Panels – SIPS - are an advanced method of construction, offering superior insulation, structural strength and air-tightness over traditional construction methods or systems. SIP panels are used in floors, walls and roofs for residential, industrial, educational and commercial applications, providing ecologically friendly and energy efficient buildings.

SIP technology has been developed around composite (or sandwich) panel techniques, creating a product with excellent structural and thermal characteristics.

SIPS consist of two parallel faces - usually Oriented Strand Board, sandwiching a rigid core of Polyurethane (PU) foam or Expanded Polystyrene (EPS), making them lightweight, quick to erect and free from problems of compression shrinkage and cold bridging associated with other forms of construction. Other variations of facing materials and cores exist, but these are the most common in the UK.

Lucas Fettes
Mary Riley Associates
Pocket Guide