Skip to content
Bilco E-50 Thermally Broken Aluminum Roof Hatch 36 in x 36 in, Mill Finish
Regular price $1,810.00Bilco E-50 Thermally Broken Aluminum Roof Hatch 36 in x 36 in, Mill Finish
This is the Bilco E-50 thermally broken aluminum roof hatch with a 36 in. x 36 in. clear opening, supplied as a complete hatch with thermally broken cover and curb in mill aluminum. R-20+ polyisocyanurate insulation and EPDM gasketing resist condensation and improve energy efficiency. The curb includes the Bil-Clip flashing system for securing single-ply roofing.
Key Features:
- Thermally broken design: Frame and cover design minimizes heat transfer between interior and exterior metal surfaces to resist harmful condensation.
- R-20+ insulation: Ozone-friendly polyisocyanurate insulation rated R-20+ provides superior energy efficiency.
- Weatherproof sealing: Overlapping cover design, full welded corners and EPDM rubber gasketing ensure weathertightness with enhanced weather and wind resistance.
- Corrosion resistant: Aluminum construction with corrosion resistant materials provides many years of trouble-free service.
- Secure latching: Heavy gauge construction and a positive latching mechanism help maintain building security.
- Bil-Clip flashing: Curb features the Bil-Clip flashing system to quickly and easily secure single-ply roofing material to the curb.
- LEED applicable: Listed as applicable to LEED, supporting sustainable building projects.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Bilco |
| Manufacturer model | E-50TB |
| Sell unit | 1 roof hatch, 36 in. x 36 in. (cover and curb) |
| Product line | Bilco Type E thermally broken roof hatches |
| Profile / style | Single-leaf equipment roof hatch, thermally broken |
| Color | Mill |
| Dimensions | 36 in. x 36 in. clear opening |
| Material | Aluminum |
| Insulation | Polyisocyanurate, R-20+ |
| Gasket | EPDM rubber |
| Weight | 139 lb |
| Approvals | LEED applicable |
| Manufacturer warranty summary | 5-year limited warranty |
Coverage & How Much You Need:
Not applicable; sized by the 36 in. x 36 in. clear opening. Verify the opening in the roof deck matches the E-50 size before ordering.
Fit and Compatibility:
Fits a 36 in. x 36 in. framed opening in the roof deck. The thermally broken design is offered across all standard Bilco single-leaf sizes (S, E, NB, L, F, GS); pair with Bilco ladders, safety rails and security accessories sold separately.
Frequently Asked Questions (FAQ):
Q: What is included with the hatch?
A: The hatch ships as a complete unit with thermally broken cover, insulated curb, EPDM gasketing and the Bil-Clip flashing system.
Q: What opening size does it need?
A: The E-50 fits a 36 in. x 36 in. rough opening; frame the deck accordingly before installation.
Q: Why choose a thermally broken hatch?
A: The thermal break and R-20+ insulation minimize heat transfer and condensation compared to non-insulated hatches.
Q: What material is it made of?
A: Corrosion-resistant aluminum in a mill finish.
Q: How is it flashed in?
A: The curb includes the Bil-Clip flashing system for fast attachment of single-ply roofing; follow Bilco's installation instructions and local code.
Q: Is there a warranty?
A: Yes, a 5-year limited warranty is listed for this item.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
For conditioned buildings in cold or humid climates, the thermally broken E-50 is worth the upgrade over a standard hatch because the thermal break and R-20+ insulation control condensation on interior metal surfaces. Set the curb level on a properly framed 36 in. x 36 in. opening and use the Bil-Clip system with the compatible single-ply membrane. Coordinate hatch placement with roof drainage and traffic paths before cutting the deck.
Roof hatch openings are a fall hazard—install the hatch with a safety rail or ladder-with-safety-post system and keep the cover closed and latched when not in use.
Order the Bilco E-50 thermally broken aluminum roof hatch for a condensation-resistant, energy-efficient 36 x 36 roof access point.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.
