Sandwich® Access Door – Spiral Duct
Sandwich Access Doors provide easy access into air ducts and units. This door was developed to provide a solid, leak proof door that is simple to install.
Access doors for spiral duct.
- Insulated or uninsulated
- Smooth interior finish on insulated doors
- Tested to 20” w.g. with no leakage noted
- Tested to negative 10” w.g. with no leakage noted
- Available in specialty metals
- No frame to install
- Effortless opening and closing (no tools required)
- No measuring (self-adhesive template provided)
- Please specify when ordering doors for negative pressure applications
- Insulated doors are recommended for negative pressure applications