Rather than throwing away and replacing the existing French doors, paint was removed from the doors and their corresponding interior shutters by sandblasting.  Photo 9 of 10 in 10 Modern Renovations to Homes in Spain from Green Living in Barcelona

10 Modern Renovations to Homes in Spain9 of 10

Wishing to avoid using harsh chemicals, the couple had the 18th-century beams and French doors in the living room and elsewhere sandblasted to rid them of woodlice. The rug, by Nani Marquina, is renewable and biodegradable as well as ethically produced.