Exterior folding (bi-fold) doors are among the most dramatic upgrades you can make to a coastal home: they dissolve the threshold between indoor and outdoor, flood a space with daylight, and maximize views. In Manchester-by-the-Sea, MA, WORKS by JD delivers folding door installations that combine architectural elegance, performance in harsh climates, and full design-build accountability—from permitting to installation to warranty.
| Scope | Description | Avg. Price Range | Timeline |
| Full Folding Door Installation | Remove wall section, install structural supports, custom folding door system, finishing | $60,000 – $120,000+ | 12 – 20 weeks |
| Retrofit Folding Door | Replace existing sliding or French doors with folding system, upgrade flashing | $20,000 – $60,000 | 8 – 14 weeks |
| Partial Folding / Bi-Fold Upgrades | Install shorter folding panels or partial wall conversion | $15,000 – $40,000 | 8 – 12 weeks |
- Consultation & Structural Review — evaluate wall configuration, load paths, and view alignment
- Design & Door Selection — panel count, materials, hardware, thermal glazing, folding direction
- Permitting & Pre-Construction — structural drawings, coastal or setback reviews, building permit submission
- Demo & Installation — remove wall, install header and supports, set folding system, flash and seal, trim work
- Final Walkthrough & Warranty Delivery — inspection, adjustments, and handoff of our 7-year workmanship warranty
Service Areas
Manchester-by-the-Sea • Gloucester • Essex • Ipswich • Rockport • North Shore MA
