In preparation for this morning's flight, one 42-ton blast-resistant door
swings open and the crew tows the Yankee Lady onto the runway.
“The unique performance profile of polycarbonate compared to competitive glazing alternatives available in the market makes it an ideal choice for blast-resistant door
lites and window applications for enhanced protection of the building envelope.”
Portafeu sells fire-rated flame-retardant, firebreak and blast-resistant doors
to commercial and residential customers.
But now the 21-year-old business, which employs 30 staff, is working on prototypes for bomb blast-resistant doors
and counters in a bid to launch them this autumn.