Won-Door DuraSound accordion folding doors increase building utility by performing mulitple functions and are available as manually-operated doors.
- DuraSound doors have an STC rating of 48 (Laboratory Test) & NIC rating of 30 (Field Test)
- Above header motor configuration recommended for doors greater than 15'-0" tall and/or 30'-0" in length (Requires 24" clearance) *Below header options available.
- DuraSound head details vary depending upon adjacent construction. T-09 soffit configurations work best with gypsum ceilings and motorized applications. T-11 soffit configurations work best with ACT ceilings.
