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Roof Louvers

 

Placed evenly across the roof, these vents can help properly ventilate the attic. Choose from metal or plastic in round, square or slant-back designs.

 

Description

These covered openings allow air to escape the attic. Several of these vents are usually required to properly ventilate the attic. They should be placed evenly across the roof. Choose from metal or plastic in round, square or slant-back designs.


Slant-Back Metal Roof Vents
  • Feature heavy-duty aluminum construction
  • Large flange for easy installation
  • Provide 50 square inches of net free area per piece
  • For 3/12 to 12/12 roof pitch
  • Colors: Gray, Brown, Black, Weatherwood and Galvanized

SLA Slant Aluminum
RVG40 Slant Back
RVG55 Slant Galvanized

SLA Slant Aluminum

  • 1-piece base and throat is weather tight and adds strength
  • Large flange for easy installation
  • Provide 50 square inches of net free area per piece
  • NFA (square inches): 50/pc.
  • Optional filter available

  Miami-Dade Approved

RVG40 Slant Back

  • Galvanized
  • Low profile, compact vent
  • NFA (square inches): 40/pc.
  • 7 1/2" round opening

RVG55 Slant Galvanized

  • Heavy-duty galvanized construction
  • NFA (square inches): 50/pc.
  • 9" round opening
  • Optional filter available
RVA 50 / RVG 50 Slant Back

RVA 50 / RVG 50 Slant Back

  • Aluminum or galvanized
  • NFA (square inches): 50/pc.
  • 8" round opening
  • Optional filter available

Slant-Back Plastic Roof Vents
  • Constructed of high-impact plastic with UV inhibitors
  • Flashing dimensions: 17" x 18"
  • Provide 61 square inches of net free area per piece
  • For 3/12 to 12/12 roof pitch
  • Fully screened with rain diverter
  • Colors: Brown, Black, White, Gray and Weatherwood

SLP150 Slant Back Plastic
SLP Slant Back Plastic

SLP150 Slant Back Plastic

  • 24″ x 24″ flashing
  • NFA (square inches): 150/pc.
  • 13″ x 13″ square opening
  • Integral, molded screen
  • Fits 3/12 to 12/12 roof pitch
  • Colors: Black and Weatherwood

  Miami-Dade Approved

SLP61 Slant Back Plastic

  • 16.5″ x 19.5″ flashing
  • NFA (square inches): 61/pc.
  • 9″ round opening

tdi logo


Square Metal Roof Vents
  • Hood & throat designed to maximize airflow
  • All aluminum or galvanized steel rust resistant construction
  • For 3/12 to 12/12 roof pitch
  • Heavy, rust-free integral screen
  • Provide 50 square inches of net free area per piece
  • Colors: Mill, Brown, Black, Weatherwood and Galvanized

RV51 High Collar
RVA51 / RVG51 Square

RVG53 High Collar

  • High Collar galvanized steel vent for use with tile roofs or wood shake shingles
  • NFA (square inches): 50/pc.

RVA51 / RVG51 Square

  • Aluminum or galvanized
  • Hood and throat designed to maximize airflow
  • Heavy, rust-free integral screen
  • NFA (square inches): 50/pc.

Round Metal and Plastic Roof Vents
  • Galvanized steel dome; also available with a high-impact plastic dome
  • 15" diameter roof opening dimension
  • Flashing dimension: 24" x 24"
  • For 3/12 to 8/12 roof pitch
  • Provide 144 square inches of net free area per piece
  • Colors: Mill, Black, Brown, and Weatherwood (galvanized steel) and Gray (plastic)

B-144 Metal Dome
B-144 Plastic Dome

B-144 Metal Dome

  • Galvanized steel
  • 24" x 24" flashing
  • NFA (square inches): 144/pc.

B-144 Plastic Dome

  • Round plastic
  • 24" x 24" flashing
  • NFA (square inches): 144/pc.

Square Plastic Roof Vents
  • Made of heavy-duty plastic
  • Extra large square hood design
  • Flashing dimension: 17" x 18"
  • Provide 61 square inches of net free area per piece
  • For 3/12 to 8/12 roof pitch
  • Weather deflector helps eliminate infiltration of rain and snow
  • Colors: Brown, Black, White, Gray and Weatherwood

RVP Square Plastic

RVP Square Plastic

  • 17" x 18" flashing
  • NFA (square inches): 61/pc.
  • Rain diverter throat
  • 9" round opening

 pdf Product Brochure (757 KB)


ShadowHawk Low-Profile
  • NFA: 72 sq. in. / pc.    - Competition is roughly 26 NFA based on accredited 3rd party testing
  • Application: exhaust vent or intake vent
  • Low profile with shingle-over ability
  • Internal weather filter and screen for added protection
  • Capable of being installed on multiple sides of the roof
  • External wind baffle for enhanced exhaust capabilities
  • Made of galvanized steel

ShadowHawk Low-Profile

 

RELATED DOCUMENTS

 

Specifications

SPECIFICATIONS

HOW TO SPECIFY NON-POWERED ROOF VENTS


View the wide range of colors in which our products are available in our pdf color chart (12 KB).

 

  Color Model Part No. Pcs/Ctn Ctns/Pallet
Airhawk RVG 55 Slant Galvanized Mill RVG55ML RVG55006 6 12
  Black RVG55BL RVG55016 6 12
  Brown RVG55BR RVG55086 6 12
  Weatherwood RVG55WW RVG550G6 6 12
           
Airhawk RVG 51 Square Galvanized Mill RVG51ML RVG5100 9 15
  Black RVG51BL RVG51010 9 15
  Brown RVG51BR RVG51080 9 15
  Weatherwood RVG51WW RVG510G0 9 15
           
Airhawk RVG 53 Square High Collar Galvanized Mill RVG53HCO RVG53HC00 6 12
           
Airhawk RVG 40 Slant Galvanized Mill RVG40ML RVG40000 9 24
  Black RVG40BL RVG40010 9 24
  Brown RVG40BR RVG40080 9 24
  Weatherwood RVG40WW RVG400G0 9 24
           
Airhawk RVG 50 Slant Galvanized Mill RVGLFMF RVGL50F00 10 16
 Filtered Black RVGLFBL RVGL50F10 10 16
  Brown RVGLFBR RVGL50F80 10 16
  Weatherwood RVGLFWW RVGL50FG0 10 16
           
 Airhawk B-144 Galvanized Metal Dome Mill  B144MF 97690 30
  Black  B144BK 97692 30
  Brown  B144BR 97693 30
  Weatherwood  B144WW 97691 30
           
 Airhawk SLA Slant Aluminum Gray  SLAGR  85281 12 
  Black  SLABL  85282 12 
  Brown  SLABR  85283 12 
  Weatherwood  SLAWW  85284 12 
  White  SLAWH  85285 12 
           
 Airhawk RVA 51 Square Vent Aluminum Mill RVA51ML RVA510000 12 15 
  Black RVA51BL RVA510100 12 15 
  Brown RVA51BR RVA510800 12 15 
  Weatherwood  RVA51WW RVA510G00 12 15 
           
 Airhawk RVAL Slant Back Aluminum Mill RVA50ML RVAL5000 10 16
  Black RVA50BL RVAL5010 10 16
  Brown RVA50BR RVAL5080 10 16
  Weatherwood RVA50WW RVAL50G0 10 16
           
           
 Airhawk SLP61 Slant Back Plastic Black SLP61BL 90121 6 24 
  Brown SLP61BR  90122 6 24 
  Gray SLP61GR  90123 6 24 
  Weatherwood SLP61WW  90125 6 24 
           
 Airhawk SLP150 Slant Back Plastic Black SLP150BL  90141  2 21
  Weatherwood SLP150WW  90145  2 21
           
 Airhawk B-144 Plastic Dome Gray  B144GR 97695 1 30
           
Square Top Plastic Roof Louver RVP61 Black RVP61BL 90155 10 16
  Brown RVP61BR 90156 10 16
  Gray RVP61GR 90157 10 16
  Weatherwood RVP61WW 90159 10 16
           
ShadowHawk Low-Profile Vent Mill LPG72ML 85401 2 24
  Black LPG72BL 85402 2 24
  Brown LPG72BR 85403 2 24
  Weatherwood LPG72WW 85404 2 24

 

According to federal guidelines, homes require 1 square foot of net free area (the total unobstructed area through which air can enter or exhaust a non-powered vent) for every 150 square feet of attic floor space. If balanced between intake and exhaust vents, the requirement is 1 square foot of net free area for every 300 square feet of attic floor space.

 

NON-POWERED ROOF VENTS

Type Net Free Area
(Sq. In.)
Roof Pitch
Square Metal Roof Vent 50/pc. 3/12 to 8/12
Square Plastic Roof Vent 61/pc. 3/12 to 8/12
Round Galvanized Steel Roof Vent 144/pc. 3/12 to 8/12
Round Plastic Roof Vent 144/pc. 3/12 to 8/12
Slant-Back Metal Roof Vent 50/pc. 3/12 to 12/12
Slant-Back Plastic Roof Vent 61/pc. 3/12 to 12/12
Large Slant-Back Plastic Roof Vent 150/pc. 3/12 to 12/12
Wind Turbines 95/12" turbine
132/14" turbine
3/12 to 12/12
3/12 to 12/12
ShadowHawk Low-Profile 72 3/12 to 12/12

MINIMUM NUMBER OF NON-POWERED VENTILATORS NEEDED
(If ventilation is split between soffit and ridge)

Net Free Area Required (Square Inches)
  240 480 720 960 1200 1440  
Attic Square Footage Type of Vent
  500 1000 1500 2000 2500 3000  
EXHAUST PRODUCTS      
  3 5 8 10 12 15 roof vent
(50 sq. in. net free area per piece)
  2 4 6 8 10 12 roof vent
(61 sq. in. net free area per piece)
  1 3 4 5 6 7 12" wind turbine
  1 2 3 4 4 5 14" wind turbine
INTAKE PRODUCTS      
  5 9 13 18 22 26 16" x 4" undereave
  3 6 9 12 15 18 16" x 6" undereave
  3 5 7 9 11 13 16" x 8" undereave
  2 4 5 7 9 10 8' continuous soffit vent
  2 3 4 6 7 8 10' vented drip edge

 

 

Product Photos

PRODUCT PHOTOS

Click an image to enlarge:

 

Product Videos

Product Videos

SLP150    

SLP150 Slant-Back Roof Louver

Air Vent’s largest roof louver successfully handled wind-driven rain in speeds ranging from 35 to 110 MPH.

 

 

 icon downloadDownload Video    

 

 

 

Product Categories
Exhaust Vents Solar Attic Fans Intake Vents Foundation Vents Whole House Fans Bath or Dryer Vents Skylight Tubes
 
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