
Acudor Products
For over 25 years, Acudor has earned a reputation for affordable quality products: A complete line of Roof Hatches and Smoke Vents for all types of conventional and metal roofs. Optional features include: Acrylic domes, louvered curbs, stainless steel hardware, curb mounted, modified curb. Safety accessories including the industry standard for preventing fall-through.

Babcock-Davis
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Roof hatches and smoke vents come standard with insulation in the cover and at the curb perimeter. Smoke vents open automatically at 165 degrees F. Website offers downloadable 3-part CSI specifications, shop drawings, and submittal sheets.

The Bilco Company
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Established in 1926, manufactures a complete line of Roof Hatches, Automatic Fire Vents, and Floor, Vault & Sidewalk Doors. Cad details, 3-part specifications, and product submittal sheets are available on the Bilco website.

BlueWater Mfg.
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manufactures SafetyRail 2000: a 100%, non-penetrating guardrail system for roof edge and roof hatch protection to name a few. It requires no intermediate outriggers to exceed OSHA regulations. Test results available. Galvanizing and special colors available. Set up in minutes! No tools required for installation.
Construction Specialties, Inc.
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APC Dayliter® fire and explosion roof vents and skylights reduce the amount of smoke, heat, and gas within a building during a fire. C/S Explovent® Explosion and Pressure Relief Systems are precisely calibrated for release at specific design pressures. Explovent may be field tested for an initial non-destructive verification at any time.

Garlock Equipment Company
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manufactures the Railguard 200 Fall Protection Railing System. For 20+ years, this completely free-standing railing system has been protecting lives for thousands of companies. Use for guarding roof edges, skylights, roof hatches, loading docks and machinery. Meets all applicable OSHA requirements and available in many colors and finishes. Test results on request.

J.L. Industries - Activar Construction Products Group
For over 60 years, JL Industries has been serving the commercial construction industry. Our line of UL and FM-listed roof hatches and automatic smoke vents offer many durable, weatherproof options for roof openings. We offer single or double-leaf options and custom sizes to fit most applications. The Saf-T-Hatch rail meets OSHA requirements for guarding rooftop openings.

Karp Associates
Karp Associates, Inc. is the worlds leading manufacturer of steel and plastic access doors. Karp offers a complete line flush non-rated, fire rated, recessed, plastic, and security access doors for installation into drywall, masonry, and plaster. Karp also specializes in custom manufacturing to meet any specification requirement.

Lane-Aire Manufacturing Corp.
Since 1963. Innovative design, engineering, and performance. Our broad line of roof and equipment hatches include standard models, plastic domed, louvered, and stairway hatches. Lane-Aire’s smoke vents provide the utmost in venting capabilities: Low-profile, plastic domed, plastic domed with louvered sides, double door, and listed and heavy duty double door for high snow loads.

Maxam Metal Products ![]()
Manufacturers of a complete line of Van-met® access doors. MAXAM’s roof hatches have been designed to ensure energy efficiency, weather tightness, water protection, and corrosion prevention. MAXAM’s standard roof hatch is manufactured with a unique spring hinge design, offering a larger free area. Since 1945 – three generations of quality metal products.

Nystrom Building Products
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Roof hatches and smoke vents include insulation at the curb and a gasketed lid to ensure against leakage. Smoke vents open automatically using a fusible link. The Nystrom website offers an interactive selection assistant, downloadable CAD drawings, and 3-part CSI guide specifications.

O'Keeffe's
Welcome to O'Keeffe's - Providing you with smoke/fire vents, roof hatches and access doors since 1939; including SuperVent, UL and FM listed, in steel or aluminum, with single or dual leaf, heavy-duty construction, custom sizes and special options. Our roof hatches are designed with heavy gauge sheet metal and are fully insulated, weather proof and open to 90º.

Precision Ladders
Precision Ladders manufactures a wide range of roof access products to get personnel to the roof safely. Precision Ladders offers a variety of complete roof access systems which can include Aluminum Guard Rail Systems and the Extend-A-Rail, ladder safety post which attaches to ladders to facilitate getting on and off the roof.

R&S Sales Company ![]()
The most comprehensive product offering of any metal building accessory supplier. In addition to a complete line of metal roof curbs, we manufacture a complete line of UL Listed heat & smoke vents, equipment and roof access hatches, skylights, gravity vents, louvers, and roof walkways for any roof application.

Safety Rail Source
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Your single source for modular safety railings including KeeHatch® Railing Systems for roof hatches, KeeGuard® non penetrating roof edge guard rail system, Big Yellow guard rail to protect machinery, electric panels, etc., Kart-a-Rail utility cart with portable guard rail, and crowd control barriers.

SafePro
Innovation in roof hatch fall protection. SafePro designed the only complete system in the market. Architects & specifiers are under pressure to design a safer roofing system to protect customers and reduce your firm’s liabilities. Traditional safety devices are incomplete. Protect you and your customers with the all-in-one spec.
Our FREE binder tabs will help organize your LEED notes and project manualsThese binder tabs are a great way to save time and organize your notes and project manuals. We will send you a set for free as a reminder to start your Internet product research with 4specs. |

Acudor Products
For over 25 years, Acudor has earned a reputation for affordable quality products: A complete line of Roof Hatches and Smoke Vents for all types of conventional and metal roofs. Optional features include: Acrylic domes, louvered curbs, stainless steel hardware, curb mounted, modified curb. Safety accessories including the industry standard for preventing fall-through.

Babcock-Davis
![]()
Roof hatches and smoke vents come standard with insulation in the cover and at the curb perimeter. Smoke vents open automatically at 165 degrees F. Website offers downloadable 3-part CSI specifications, shop drawings, and submittal sheets.

The Bilco Company
![]()
Established in 1926, manufactures a complete line of Roof Hatches, Automatic Fire Vents, and Floor, Vault & Sidewalk Doors. Cad details, 3-part specifications, and product submittal sheets are available on the Bilco website.

BlueWater Mfg.
![]()
manufactures SafetyRail 2000: a 100%, non-penetrating guardrail system for roof edge and roof hatch protection to name a few. It requires no intermediate outriggers to exceed OSHA regulations. Test results available. Galvanizing and special colors available. Set up in minutes! No tools required for installation.
Construction Specialties, Inc.
![]()
APC Dayliter® fire and explosion roof vents and skylights reduce the amount of smoke, heat, and gas within a building during a fire. C/S Explovent® Explosion and Pressure Relief Systems are precisely calibrated for release at specific design pressures. Explovent may be field tested for an initial non-destructive verification at any time.

Garlock Equipment Company
![]()
manufactures the Railguard 200 Fall Protection Railing System. For 20+ years, this completely free-standing railing system has been protecting lives for thousands of companies. Use for guarding roof edges, skylights, roof hatches, loading docks and machinery. Meets all applicable OSHA requirements and available in many colors and finishes. Test results on request.

J.L. Industries
For over 60 years, JL Industries has been serving the commercial construction industry. Our line of UL and FM-listed roof hatches and automatic smoke vents offer many durable, weatherproof options for roof openings. We offer single or double-leaf options and custom sizes to fit most applications. The Saf-T-Hatch rail meets OSHA requirements for guarding rooftop openings.

Karp Associates
Karp Associates, Inc. is the worlds leading manufacturer of steel and plastic access doors. Karp offers a complete line flush non-rated, fire rated, recessed, plastic, and security access doors for installation into drywall, masonry, and plaster. Karp also specializes in custom manufacturing to meet any specification requirement.

Lane-Aire Manufacturing Corp.
Since 1963. Innovative design, engineering, and performance. Our broad line of roof and equipment hatches include standard models, plastic domed, louvered, and stairway hatches. Lane-Aire’s smoke vents provide the utmost in venting capabilities: Low-profile, plastic domed, plastic domed with louvered sides, double door, and listed and heavy duty double door for high snow loads.

Maxam Metal Products ![]()
Manufacturers of a complete line of Van-met® access doors. MAXAM’s roof hatches have been designed to ensure energy efficiency, weather tightness, water protection, and corrosion prevention. MAXAM’s standard roof hatch is manufactured with a unique spring hinge design, offering a larger free area. Since 1945 – three generations of quality metal products.

Nystrom Building Products
![]()
Roof hatches and smoke vents include insulation at the curb and a gasketed lid to ensure against leakage. Smoke vents open automatically using a fusible link. The Nystrom website offers an interactive selection assistant, downloadable CAD drawings, and 3-part CSI guide specifications.

O'Keeffe's
Welcome to O'Keeffe's - Providing you with smoke/fire vents, roof hatches and access doors since 1939; including SuperVent, UL and FM listed, in steel or aluminum, with single or dual leaf, heavy-duty construction, custom sizes and special options. Our roof hatches are designed with heavy gauge sheet metal and are fully insulated, weather proof and open to 90º.

Precision Ladders
Precision Ladders manufactures a wide range of roof access products to get personnel to the roof safely. Precision Ladders offers a variety of complete roof access systems which can include Aluminum Guard Rail Systems and the Extend-A-Rail, ladder safety post which attaches to ladders to facilitate getting on and off the roof.

R&S Sales Company ![]()
The most comprehensive product offering of any metal building accessory supplier. In addition to a complete line of metal roof curbs, we manufacture a complete line of UL Listed heat & smoke vents, equipment and roof access hatches, skylights, gravity vents, louvers, and roof walkways for any roof application.

The Safety Rail Source
![]()
your single source for modular safety railings including KeeHatch® Railing Systems for roof hatches, KeeGuard® non penetrating roof edge guard rail system, Big Yellow guard rail to protect machinery, electric panels, etc., Kart-a-Rail utility cart with portable guard rail, and crowd control barriers.

SafePro
Innovation in roof hatch fall protection. SafePro designed the only complete system in the market. Architects & specifiers are under pressure to design a safer roofing system to protect customers and reduce your firm’s liabilities. Traditional safety devices are incomplete. Protect you and your customers with the all-in-one spec.