Installation Guide

What are the advantages
of VentSure Rigid Roll
Ridge Vents with
Weather PROtector
Moisture Barrier?
• Patented, lightweight, high-density
polypropylene construction
• Advanced moisture barrier—
no baffles required
• Only
5
/8" vent profile
• 20-foot roll is easy to handle and
ready to install
• Adjusts to almost any roof pitch
(2/12 to 20/12 pitch)*
• Easy to transport and handle
• Rounded peak reduces shingle stress
and cracking
• Can be installed with a nail gun
• Won’t compress when nailed
• Won’t clog or deteriorate like other vents
What materials are required
to install a VentSure Rigid
Roll Ridge Vent with Weather
PROtector Moisture Barrier
ventilation system?
• VentSure rigid roll with Weather
PROtector Moisture Barrier
• End cap (included in package)
• Roofing nails
• Construction adhesive or sealant caulk
What tools are required
to install a VentSure Rigid
Roll Ridge Vent with Weather
PROtector Moisture Barrier
ventilation system?
• Safety goggles
• Utility knife
• Tape measure
• Power saw
• Coil nailer or hammer
*
Refer to local building codes for roof
pitch requirements.
What installation precautions
should I follow?
• Read all instructions before proceeding
• Always wear safety goggles
• Follow all standard safety precautions
What general ventilation tips
should I know?
• Do not allow insulation to block
undereave vents
• For proper ventilation, adequate intake
is necessary to prevent back drafts and
assure effectiveness of ridge vent system
• Close off all gable and other roof vent
openings
• Do not allow air from home appliances
(dryers, range hoods, bathroom fans,
etc.) to exhaust into attic—exhaust
directly to outdoors
How much ridge/undereave
ventilation is required?
In order for your ventilation system
to operate properly, a system must be
designed to create an airflow that draws air
out of the attic at the roof peak and brings
air into the attic along the underside of
the roof. This can be accomplished by
using VentSure rigid roll ridge vents with
Weather PROtector Moisture Barrier,
which allow air to be drawn out of the
attic (exhaust), and soffit vents, which
allow air into the attic (intake).
For maximum efficiency, and to create
what is considered a balanced system,
ventilation should be equal at the soffit
and ridge. It is critical to provide proper
distribution of ridge and soffit vents. In
cases where a balanced system cannot
be achieved, always provide more than
50 percent of the total required ventilation
at the soffit and the remainder at the
ridge. Again, the desired system is to
equalize ventilation at both the soffit
and ridge areas.
To calculate the minimum amount of total
ventilation required, use either the 1/300
or 1/150 ratio. On the inside, the actual
calculations have been made for your
convenience. Use the 1/300 ratio if you have
proper distribution of soffit and ridge vents
or if a vapor retarder is present. Use the 1/150
ratio if proper distribution of soffit and ridge
vents cannot be achieved and a vapor retarder
is not present.
See the chart on the back page to
identify the minimum amount of ridge
and soffit ventilation required. Always
remember that proper distribution will
result in exhaust (ridge vent) and intake
(soffit vent). For the best results, run
the VentSure rigid roll ridge vent with
Weather PROtector Moisture Barrier along
the entire peak of the roof in accordance
with these application instructions.
The Net Free Vent Area (NFVA) of soffit
ventilation should always be at least equal
to or more than the net free vent area of
the ridge ventilation.
Installation
Instructions
VentSure
®
RigidRoll RidgeVent
withWeather PROtector
™
Moisture Barrier
Owens Corning High-Performance Ventilation System