Cavity wall insulation. A workman blows insulating material into cavity wall of residential property house energy efficient

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Cavity wall insulation. A workman blows insulating material into the cavity of a wall of a residential property to make the house more energy efficent warmer and save money and energy. Reducing gas and heating bills. Workman working up a ladder at height using safety harness: 27 January 2012 STUART WALKER

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Size: 5021px × 3341px
Photo credit: © STUART WALKER / Alamy / Afripics
License: Licensed
Model Released: No

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