Critall windows date back to the 1880s but their steel construction makes them vulnerable to damp.
Source: US News and Business Report -usnewsandbusinessreport.com- BBC Business
The challenge of upgrading iconic steel windows
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Critall windows date back to the 1880s but their steel construction makes them vulnerable to damp.
Source: US News and Business Report -usnewsandbusinessreport.com- BBC Business
The challenge of upgrading iconic steel windows