Attic Rafter Vents with Optional Air Stop ... - …

1 Raft-R-mate . Attic Rafter Vents with Optional Air Stop/Insulation Block Product Data Sheet Specifications Dimensions x 48 . Air Channel Depth * . Net Free Air Flow * sq. inches Material Extruded Polystyrene Underwriters Laboratories, Inc. Classified Product - see Certificate U-210. Packaging Vents per box/bag 75. Packages per Pallet 24. Ventilation of Unheated Vents per Pallet 1800. Attics or Cathedral Ceiling Rafter Cavities structural framing members, or Meets new energy code Owens Corning's raft-R-mate Attic interior ceiling finishes.

2 Requirements for Attic ventilation vent is an extruded polystyrene foam vent designed to assure Required Vent Area Install quickly and easily unrestricted airflow from the soffit For attics, the Federal Housing to the ridge vent. Additionally, Work in both new and Authority (FHA) and building retrofit construction raft-R-mate Attic vent has an codes require a minimum net free Optional bend down air stop/ vent area of 1 sq. ft. of ventilation Installation insulation block at the top plate of for every 150 sq. ft. of Attic space the wall.

3 The Optional air stop/ Installed properly against the (1:150). This ratio can be reduced underside of the roof deck, insulation block prevents loosefill to 1:300 if a balanced soffit and insulation from filling the eave between roof trusses or rafters, ridge vent system or a properly raft-R-mate Attic vent will provide space during installation of placed vapor retarder is utilized. cathedral ceiling or Attic floors, by in excess of a 1 air space. Fibrous closing off the opening below the For Rafter cavity spaces, codes insulation can be installed directly raft-R-mate Attic vent to the soffit.

4 Typically specify a required against the surface of raft-R-mate It also helps to prevent wind minimum air space, of 1 , between Attic vent and raft-R-mate Attic vent wash which can cause Attic the insulation and the roof will maintain a free airflow channel insulation to be blown back off of sheathing. Check local building from the eave vent to the ridge or the top plate causing unwanted codes for specific requirements. gable Vents . Due to its symmetrical heat loss around the perimeter design, raft-R-mate Attic vent can of the Attic .

5 Raft-R-mate Rafter Vents be split in half for 12 and 16 Maintain ventilation through Rafter spacing, or if required for Typically building codes require thickest part of insulation retrofit or cathedral ceiling that unheated attics or cathedral applications. ceiling Rafter cavities be provided Ventilation channel and air stop/. with a minimum amount of insulation block in one easy to Installing Loosefill or Batt ventilation. Ventilation is typically install product Insulation on Attic Floors provided by some combination of 1. A single 4' length of raft-R-mate gable, ridge and soffit Vents .

6 Resist moisture; will not rot Attic vent should be installed in Inadequate ventilation may lead to or deteriorate each Rafter or truss space, at the excess heat and humidity in the ceiling line, to insure that the Improve year-round comfort Attic or Rafter cavity. These airway between soffit and Attic conditions may lead to the Increase the life of the roof space remains open. deterioration of the roofing materials and deck, insulation, Are durable and break-resistant raft-R-mate . Attic Rafter Vents with Optional Air Stop/Insulation Block Product Data Sheet 2.

7 The vent should extend some distance beyond the top of the horizontal fibrous insulation. 3. Optional air stop/insulation Fresh Air Flow block. Bend down at the accordion hinge. Fit tightly over the top plate and staple to raft-R-mate Attic Vents the top plate. Installing Rafter Cavity Insulation in Cathedral Soffit Vent Ceilings 1. Install raft-R-mate Attic vent in each Rafter cavity beginning at the soffit area, to assure the vent remains open, continue Fibrous Insulation up the cavity to the ridge vent Fresh Air Flow or to a common air space.

8 2. Optional air stop/insulation block - When installing, bend down Note: When prolonged outdoor Technical Information and staple the insulation block to cold temperatures, or higher 1-800-GET-PINK . prevent air from entering and interior humidity conditions are insulation going out the soffit. expected, a vapor retarder, such as For more information on the asphalt kraft paper, should be Owens Corning family of home 3. raft-R-mate Attic vent should be installed on the room side of building products, contact your installed with an approximate 2 the Rafter batt to reduce the Owens Corning dealer or call: gap between the ends of intrusion of moisture into the Attic 1-800-GET-PINK.

9 Adjacent batts to allow or Rafter cavity. moisture to escape more readily Caution into the air channel. Note to Builders and Consumers: Combustible. Although Always check with your local raft-R-mate Attic Vents meet 4. Install cavity batt insulation so building department for required building code requirements of that the ends of the insulation ventilation area in attics and Rafter < 75 flame spread and < 450. do not occur in the area of the cavities, requirements for vapor smoke developed, this product 2 gap. This precaution retarders, and the acceptability of will ignite if exposed to fire of minimizes the potential of the raft-R-mate Attic vent for the sufficient heat and intensity.

10 Insulation expanding into the air planned application. channel and restricting airflow. 5. When installing loosefill into a cathedral cavity reduce the gap between the ends of the adjacent sections of raft-R-mate Attic vent to . OWENS CORNING FOAM INSULATION, LLC. ONE OWENS CORNING PARKWAY. TOLEDO, OHIO, USA 43659. 1- 800 - GET- PINK . Pub. No. 102899 -B. Printed in June 2007. THE PINK PANTHER &. 1964 2007 Metro-Goldwyn-Mayer Studios Inc. All Rights Reserved. The color PINK is a registered trademark of Owens Corning. 2007 Owens Corning.