- residential
- Ventilation Accessories
- Attic Vents
- Lomanco 700 Series Slant Back Roof Vents

Lomanco 700 Series Slant Back Roof Vents
Lomanco® 700 Series Slant Back Roof Vents
- Three sides louvered for greater air flow.
- Embossed aluminum finishes for added strength, extended paint life, and blending appearance with shingles.
- 700 has neoprene damper for use as kitchen/bathroom exhaust vent.
- 750-G; heavy duty galvanized steel construction.
- 770 is larger version of a 750.
- 770-D is a twin 770; off-ridge vent
![]() |
Do you have questions about the products on this page? Click on the ? image on the left or this link to ask us your questions! |
#1 | Q: Are these rated for a range of CFM, one specific cfm, or one sizes fits all? A: They are sized based on the opening to match the duct size. Lomanco does not provide any criteria for CFM other than the vents are sized for typical CFM encountered in a duct size. Asked on 2019-06-03 by Larry |
---|---|
#2 | Q: Hoe does it get installed on to existing asphalt shingled roof? A: They would need the shingles pulled back so it could be sealed against the sheathing. Here is the IOM.... http://www.hvacquick.com/catalog_files/Lomanco_700_Series_IOM.pdf Asked on 2018-06-14 by ed |
#3 | Q: Is is rust resistant? Thanks A: Depends which model. The aluminum ones are more resistant than the galvanized steel. Asked on 2018-03-25 by M |
-
residential
- AirFlow Boosting
-
Grilles, Registers & Louvers
- Learn about solutions
- Bar Linear Grilles
- Grilles - Rectangular
- Grilles - Round
- Baseboard Registers
- Curved Blade Grilles
- Decorative Grilles
- Filter Grilles
- Perforated Flat Custom Grilles
- Perforated Flanged Custom Grilles
- Plastic Grilles & Registers
- Round Perforated Flat Grilles
- Slot Diffusers & Returns
- Spiral Duct Diffusers
- T-Bar Plastic Supply Diffusers
- T-Bar Metal Supply Diffusers
- T-Bar Return Grilles
- Wood Grilles
- Louvers
- Dampers
- Access Doors
- Air Handlers
- Attic Fans & Vents
- Bathroom Ventilation
- Booster Pumps
- Crawlspace-Radon Ventilation
- COVID-19 Mitigation
- Condensate Pumps
- Dryer Boosting
-
Fans
- Learn about solutions
- Inline Fans
- Inline EC Fans
- AV Closet Cooling
- Basement Ventilation
- Ceiling Mounted Bath Fans
- Crawlspace Ventilation
- Destratification Fans
- Draft Inducers and Chimney Fans
- Dryer Booster Fans
- Explosion Proof Fans
- Exterior Exhaust Fans
- Garage Ventilation
- Hydroponics Fans
- Propeller Fans Direct Drive
- Radon Fans
- Room-to-Room and Register Boosters
- Rotary General Purpose Fans
- Timers
- Exhaust Fan Controls
- Filter Boxes
- Filters & HEPA
- HRVs and ERVs
- Floor Heating
-
Indoor Air Quality - IAQ
- Learn about solutions
- HEPA Filtration
- Inline Filter Boxes
- Carbon Air Filters
- Air Exchange Ventilators
- Air Inlets & Fresh Air Kits
- Air Purifiers
- Airflow Regulators
- Active Dampness Control
- Dehumidifiers
- Duct Heaters - Electric
- Energy Recovery ERVs
- Garage Ventilation
- Humidifiers
- Heat Recovery HRVs
- Pressure (Air) Balancing
- Radon Fans
- Supply Air Ventilators
- Thermostats
- UVC Lights and Systems
- Zoned Exhaust Systems
- Kitchen Exhaust
- Makeup Air
- Mini-Splits & Heat Pumps
- Pumps & Instant Hot Water
- Solar Air Heating
- Tankless & Flue Venting
- Thermostats and Fan Controls
- Title 24 Products
- Whole House Fans
- Wildfire Smoke Control
-
Ventilation Accessories
- Learn about solutions
- Access Doors
- Air Dampers
- Air Inlets & Fresh Air Kits
- ASHRAE 62.2 Controls
- Attic Vents
- Current Switches
- Discharge Caps - Wall
- Discharge Caps - Roof
- Dryer Exhaust Caps
- Dryer Vent Boxes & Couplings
- Duct and Duct Accessories
- Exhaust Fan Controls
- Grilles - Rectangular
- Grilles - Round
- Louvers
- Occupancy Switches
- Pressure Switches
- Relays & Misc Controls
- Silencers and Backdraft Dampers
- Soffit Vents
- Spare Parts
- Timers
- Tools For Sheet Metal
- Y Fittings and Transitions
- Zoning and Zone Dampers
why buy from us?
We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation.
Your call is answered by qualified people who will gladly discuss your project in detail, advise you professionally and never sell you inappropriate products.