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.
8220;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.
These include installing fire- and blast-resistant doors
and bullet- and shatter-resistant glass, which in turn may require reinforced doorframes and window frames.