Cobra® Fascia Vent
Sell Sheet
RESCB136
Updated: 5/15
www.gaf.com
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A tila
Ven
Attic Intake Ventilation... On A Coil!
Help Protect Your Roof
From Premature Deterioration
By Providing Effective
AtticIntake
Ventilation
Effective attic ventilation is critical for
a long-lasting roof! A properly balanced
attic ventilation system will help to:
• Remove excess heat and moisture to help
protect your roof from premature deterioration
• Avoid roof rot in your attic or roof deck
• Minimize peeling and extend the life of
exterior and interior paint
• Limit the growth of harmful mold
• Safeguard your attic possessions against
mildew damage
• Guard against ice damming in harsh winter climates
• Promote your home’s energy efficiency
Cobra® Fascia Vent is a key ­part of the GAF Lifetime
Roofing System and has even earned the prestigious
Good Housekeeping Seal (see reverse).
gaf.com
Stale Air Escapes Through
Cobra® Ridge Vents
(Installed Under
Ridge Cap
Shingles)
Fresh Air Enters Attic Through
Cobra® Fascia Vent
Attic Intake Ventilation... On A Coil!
Homeowner’s Best Choice
•G
reat
Solution… Provides excellent air intake in homes
without soffits.
•S
afeguards
Possessions… Reduces condensation, which can
lead to mold growth, by allowing cooler air to enter through fascia,
forcing heat out at the roof’s exhaust vents.
•L
ooks Terrific… Virtually hidden at the bottom of your home’s
fascia for a clean and finished look.
•P
rotects Your Home… Helps to prevent wood rot and extend
the life of your exterior paint.
®
•R
esists Infestation… Cobra Fascia Vent provides effective air
intake while helping to protect your attic space from insects, birds,
and other unwanted infiltration.
•P
eace Of Mind… Up to a Lifetime ltd. warranty
when installed on Lifetime Shingle roofs.*
Professional’s Best Choice
Packaged… Two 50-foot sections packaged in roll
form for easier handling.
To Install… Just unroll and nail in place.
®
•F
ast Application… Cobra Fascia Vent is easily cut with
standard utility knives.
•V
ersatile… Can be used on both wood and metal fascia
systems, as well as low- and steep-slope applications.
•S
izes For Virtually Every Fascia… Available in both
1" x 3" x 50' and­11/2" x 3" x 50' models for coverage on most fascia.
•G
reat Ventilator… Net Free Area:­­
1"1 x 3": 11 sq. inches per foot
1 /2" x 3": 16 sq. inches per foot
•E
asy
Balanced ventilation requires an equal amount of intake
ventilation and exhaust ventilation. GAF recommends,
at a minimum, providing 1 square foot of Net Free
Ventilation for every 300 square feet of attic floor space.
Consult local building codes for specific ventilation
requirements in your area.
1. C
alculate the total square footage of the attic floor area
(round up to the next highest number). This number will
determine the minimum total lineal feet of Cobra® Fascia
Vent that is needed.
2. F
ind the appropriate amount of Cobra® Fascia Vent and
minimum exhaust ventilation that corresponds to the total
attic square footage.
Total
Attic Square Footage
1600
1900
2200
2500
2800
3100
3400
Based on 1/300
Rule
Recommended Length
of Cobra® Fascia
Vent (Feet)†
Minimum Exhaust
Ventilation (Net Free
Area in Sq. In.)
35/24
42/29
48/33
55/38
61/42
68/47
74/51
384
456
528
600
672
744
816
First figure pertains to 1" width, second figure pertains
to 11/2" width.
†
NOTE: Always have a balanced ventilation system. In no
case should the amount of exhaust ventilation at the ridge
exceed the amount of intake ventilation.
IS
GAF
Lifetime Cobra Attic Roof Deck Leak
Starter Strip
Shingles Ventilation Protection Barrier Shingles
®
Ridge Cap
Shingles
!
D
©2015 GAF 5/15 • #105 RESCB136 258849-1013
N
NE
™
TECHNOLOGY
TECHNOLOGY
TI
BS
EA
*S ee GAF Shingle & Accessory
Ltd. Warranty for complete
coverage and restrictions.
The word “Lifetime” means as
long as the original individual
owner(s) of a single-family
detached residence [or the
second owner(s) in certain
circumstances] owns the
property where the shingles
and accessories are installed.
For owners/structures not
meeting the above criteria,
Lifetime coverage is not
applicable. Lifetime ltd.
warranty on accessories
requires the use of at
least three qualifying GAF
accessories and the use of
Lifetime Shingles.
When you install any GAF
Lifetime Shingle and at least
3 qualifying GAF accessories,
you’ll automatically get:
• A Lifetime ltd. warranty on your shingles
and all qualifying GAF accessories!*
• Non-prorated coverage for the first
10 years*
M E R ICA
CR
Get Automatic
Lifetime Protection
On Your Entire GAF
Roofing System!*
A
0%
10
W
O
More Than Just Coverage
On Your Shingles!
N
O
•C
onveniently
Balanced Ventilation Requirements
G
A M E RIC A
N
J
The GAF Lifetime Roofing
System has earned the prestigious
Good Housekeeping Seal, which
means that Good Housekeeping
stands behind the products
in this system. (Refer to Good
Housekeeping Magazine for
its consumer protection policy.
Applicable in U.S. only.)