Woodfold 3300 Dual Wall Sound Door FSTC 33

Daniel Anderson
Daniel AndersonUS
Reviewer
5/5
Exceeded our expectations

After researching options, we chose this Woodfold 3300 Dual Wall Sound Door FSTC 33 and are very satisfied. Performance is outstanding and it blends perfectly with our space.

4 weeks ago
Aiden Campbell
Aiden CampbellUS
Reviewer
5/5
Solid quality and good value

We purchased the Woodfold 3300 Dual Wall Sound Door FSTC 33 for our facility and couldn't be more pleased. The build quality is excellent and it arrived well-packaged. Exactly as described.

6 months ago
Nancy Turner
Nancy TurnerUS
Reviewer
5/5
Great Woodfold product

Really happy with this Woodfold 3300 Dual Wall Sound Door FSTC 33. It does exactly what we needed for our space. Installation was straightforward and the quality is evident. Would recommend to anyone looking for this type of solution.

11 months ago

Woodfold 3300 Dual Wall Sound Door FSTC 33

(3 customer reviews)

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The Woodfold 3300 is a dual-wall accordion sound door built to handle the acoustic and thermal control demands of busy commercial spaces. With an FSTC 33 rating and full perimeter seal, it is equally valuable in climate-sensitive environments as it is in noise-sensitive ones — a practical dual-purpose solution for facilities that need both.

Key Features

  • FSTC 33 dual-wall acoustic construction — denser barrier than single-wall alternatives
  • Full perimeter seal addresses sound flanking and heat loss simultaneously
  • Exclusive steel hardware hinge system for strength, durability, and quiet operation
  • Wide selection of laminates, natural hardwood veneers, and custom finishes
  • Individually carton or wood-crate packaged — arrives undamaged and ready to install

Ideal For

  • Offices, medical facilities, and schools
  • Churches and hospitality venues
  • Any commercial space requiring daily acoustic and thermal management

Every unit is custom-built to the exact finished opening dimensions and sold exclusively through Woodfold’s authorized dealer network across the United States and Canada. Contact us to find your nearest dealer.

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The Woodfold 3300 is a dual-wall acoustic folding door purpose-built for commercial spaces that require dependable sound attenuation and smooth, everyday operation. With an FSTC 33 rating, it provides measurable noise reduction between adjacent rooms, making it well-suited for offices, medical facilities, educational institutions, and hospitality venues. The dual-wall panel construction encloses an acoustic core that dampens sound transmission while maintaining a clean, professional appearance on both sides. Woodfold engineers each 3300 unit to precise tolerances, ensuring consistent seal performance and long-term reliability in high-traffic environments. The accordion fold mechanism glides along a top-hung track system, eliminating the need for a floor track and keeping pathways safe and unobstructed. A broad selection of panel finishes, colors, and hardware options allows the 3300 to integrate seamlessly into a wide range of interior environments. Custom widths and heights are available to meet the specific requirements of any architectural opening. For facilities seeking a balance of acoustic control, durability, and design flexibility, the Woodfold 3300 is an industry-proven solution.

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