Manufacturer and Assembly of Phenolic Foam Injected Timber Frame Panels for the Domestic and Commercial Construction Industry. With over 20,000 Domestic Houses Built since 2001 Space 4 are at the cutting edge of the Timber-frame Industry achieveing and far exceeding current Government Thermal Values and Codes for Sustainable Homes with our unique 89mm Standard Panel System. A subsidiary company of the Persimmon Group Plc.