HomeMy WebLinkAboutA3 - CT2G 3FB4ELEVATION CT2G
ATTIC VENT SCHEDULE
VENTILATION REQUIRED AND SUPPLIED IS BASED ON POT VENT VALUES AND RIDGE VENT VALUES SHOWN IN TABLE ABOVE
** CONTRACTORS INSTALLING VENTILATION ARE RESPONSIBLE FOR VERIFYING THAT VENTS USED WILL SUPPY VENTILATION TO MEET CODE REQUIREMENTS
* SCHEDULE HAS BEEN CALCULATED ASSUMING EAVE VENTILATION AT 50-60% OF TOTAL AND RIDGE AT 4 0-50% OF TOTAL REQUIRED VENTILATION
ROOF AREA "A" SQ FTG 3100 AT / NEAR RIDGE AT / NEAR EAVE
VENT TYPE
SQ. FT.
REQUIRED
RANGE
SQ. FT.
SUPPLIED
PERCENT
OF TOTAL
SUPPLIED
POT LARGE
(SQ. IN. EACH)
POT SMALL
(SQ. IN. EACH)
RIDGE VENT
(SQ. IN. PER LF)
EAVE VENT
(SQ. IN. EACH)
CONT. VENT
(SQ. IN. PER LF)
61.00 4 0.00 18.00 28.00 10.00
HIGH - POT
VENTS ONLY
4 .13 5.17 4 .66 4 5.00 11 0
AT EAVE 6.20 5.17 5.69 55.00 0 82.00
TOTAL (MIN) 10.33 10.33 10.35 100.00
HIGH -
RIDGE VENT
4 .13 5.17 5.17 4 9.50 1 0 38.00
AT EAVE 6.20 5.17 5.28 50.50 0 76.00
TOTAL (MIN) 10.33 10.33 10.4 5 100.00 ADDITIONAL POT VENTS MAY BE REQUIRED IF THERE IS INSUFFICIENT RIDGE AVAILABLE
02/26/18
Mike Sheeks