Skip to content
Milcor M-1 Galvanized Steel Roof Hatch, 36 in. x 30 in., White Powder Coat
Regular price $815.79Milcor M-1 Galvanized Steel Roof Hatch, 36 in. x 30 in., White Powder Coat
The Milcor M-1 Roof Hatch is a 36 in. x 30 in. galvanized steel roof access hatch with a white powder coat finish, sold as one complete unit. The cover and curb are constructed from 14 gauge galvanized steel, with a cover liner of 22 gauge galvanized steel bonded to a 1 in. rigid styrofoam insulation core. A lift assist, integrated pintle hinge and slam latch with interior and exterior handles and padlock hasps complete the hatch.
Key Features:
- 14 ga. steel body: Cover and curb are constructed from 14 gauge galvanized steel.
- Insulated cover: The cover has a 22 gauge galvanized steel liner bonded to a 1 in. rigid styrofoam insulation core.
- Lift assist: A lift assist makes raising and lowering the heavy cover easier and safer.
- Pintle hinge: An integrated pintle hinge supports smooth cover operation.
- Lockable slam latch: Slam latch with interior and exterior handles plus padlock hasps secures the opening.
- White powder coat: Finished in white powder coat over galvanized steel for durable corrosion resistance.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Milcor |
| Sell unit | 1 hatch |
| Product line | Milcor M-1 |
| Available colors | White |
| Available sizes | 36 in. x 30 in. |
| Dimensions | 36 in. x 30 in. opening size |
| Material | 14 gauge galvanized steel (cover and curb) |
| Cover liner | 22 gauge galvanized steel bonded to 1 in. rigid styrofoam insulation core |
| Finish / texture | White powder coat |
| Hardware | Lift assist, integrated pintle hinge, slam latch with interior and exterior handles and padlock hasps |
| Intended use | Roof access hatch for commercial buildings |
Coverage & How Much You Need:
One unit provides a 36 in. x 30 in. roof access opening. Size the hatch to your roof access needs and verify curb placement against the roof plan before installation.
Fit and Compatibility:
A complete M-1 hatch unit including cover, insulated cover liner, curb and latch hardware; roof ladder or safety railing systems are sold separately. Padlocks for the hasps are not included.
Frequently Asked Questions (FAQ):
Q: What is included with the hatch?
A: You receive the complete M-1 hatch: galvanized steel cover with insulated liner, curb, lift assist, pintle hinge and slam latch with interior/exterior handles and padlock hasps.
Q: What size opening does it provide?
A: The hatch is 36 in. x 30 in.
Q: Is the cover insulated?
A: Yes, the cover has a 22 gauge galvanized steel liner bonded to a 1 in. rigid styrofoam insulation core.
Q: How does the lid stay open and closed?
A: A lift assist and integrated pintle hinge control the cover, and a slam latch with padlock hasps keeps it securely closed.
Q: Is it lockable?
A: Yes, the slam latch includes padlock hasps inside and out, though the padlock itself is not included.
Q: What is it made of?
A: The cover and curb are 14 gauge galvanized steel, finished with a white powder coat.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Choose the M-1 when you need an economical, insulated galvanized steel hatch for routine roof access on a flat or low-slope commercial roof. The 1 in. styrofoam-insulated cover helps limit thermal loss compared to uninsulated covers, and the lift assist reduces strain when the cover is opened repeatedly. Coordinate curb flashing with the roofing membrane manufacturer's details to keep the warranty intact, and add a guardrail or ladder safety post for code-compliant access.
Follow OSHA requirements for roof openings, including guardrails or covers rated for expected loads, and use the lift assist when operating the hatch.
Order the Milcor M-1 36 in. x 30 in. insulated galvanized steel roof hatch for dependable roof access.
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.
