Laserfiche WebLink
Dr <br />y <br />e <br />r <br />"TIMBERLINE HD" ASPHALT <br />SHINGLES (CLASS-A) BY GAF <br />MATERIALS CORPORATION <br />(ICC-ESR #3267) OVER <br />UNDERLAYMENT PER ROOF <br />PLAN NOTES. <br />(OR APPROVED EQUAL) <br />2 <br />OVERHANG <br />OV <br />E <br />R <br />H <br />A <br />N <br />G <br />SLOPE 5:12 <br />SLOPE 5:12 <br />SLOPE 5:12 <br />SLOPE 5:12 <br />2 <br />2 <br />TYP. <br />SLOPE 5:12 <br />SLOPE 5:12 <br />SLOPE 5:12 <br />NEW EXIST. <br />1' - 6" <br />1' <br /> <br />- <br /> <br />6 <br />" <br />2 <br />2 <br />1 <br />1 <br />1 <br />1 <br />NEW PATIO ROOF <br />SLOPE 1/4:12 <br />SCALE: 1/4" = 1'-0"1 ROOF PLAN <br />CHECK AND VERIFY ALL DIMENSIONS  <br />BEFORE PROCEEDING WITH THE <br />WORK. REPORT DISCREPANCIES <br />TO THE ENGINEER. ALL CONSTRUCTION  <br />SHALL  CONFORM TO THE C.B.C.  <br />DESIGNER: <br />PROJECT: <br />CA <br />M <br />D <br />E <br />N <br /> RE <br />S <br />I <br />D <br />E <br />N <br />C <br />E <br />AD <br />D <br />I <br />T <br />I <br />O <br />N <br /> & RE <br />M <br />O <br />D <br />E <br />L <br />10 <br />3 <br />4 <br /> W CA <br />M <br />D <br />E <br />N <br /> PL <br />. <br />. <br />SA <br />N <br />T <br />A <br /> AN <br />A <br /> CA <br /> 92 <br />7 <br />0 <br />7 <br />PR <br />O <br />J <br />E <br />C <br />T <br /> <br />A <br />D <br />D <br />R <br />E <br />S <br />S <br />: <br />MARK DATE REVISION <br />TITLE: <br />SHEET NUMBER <br />OF SHEETS <br />JOB NO. <br /> 24-401 <br />DRAWN: <br /> GH <br />CHEKED: <br /> GH <br />DATE: <br />DEC-27-24 <br />71 <br />4 <br /> 63 <br />1 <br /> 24 <br />5 <br />8 <br />en <br />g <br />i <br />n <br />e <br />e <br />r <br />i <br />n <br />g <br />d <br />m <br />g@ <br />o <br />u <br />l <br />o <br />o <br />k <br />. <br />c <br />o <br />m <br />3‐19‐25 <br />A4.0 <br />12X24 IN. DIA. HALF ROUND DORMER VENT; 100 NFA <br />GIBRALTAR BUILDING PRODUCTS OR SIMILAR <br />PRODUCT. <br />16-IN EAVE VENT; 70.7 NFA CONSTRUCTION <br />METALS OR SIMILAR PRODUCT. <br />REQUIRED VENT AREA: <br />653.00 / 150 x 144 = 626.88 SQ. IN./2 <br /> 313.44 INTAKE <br />313.44 EXHAUST <br />EXHAUST <br />PROVIDED VENT AREA: <br />4- 24 IN. DIA. HALF ROUND VENTS: 4 @ 100 NFA= 400 SQ.IN. <br />TOTAL = 313.44 SQ. IN. O.K. <br />INTAKE <br />PROVIDED VENT AREA: <br />5- 16x8 IN. SOFFIT VENTS: 5 @ 70.7 NFA= 353.50 SQ.IN. <br /> TOTAL = 313.44 SQ. IN. O.K. <br />ROOF <br />PLAN <br />KEYNOTES <br />THE KEY NOTES DIRECTLY BELOW REFER TO THE ROOF PLAN ONLY <br />1 <br />2 <br />3 <br />5 <br />6 <br />7 <br />4 <br />ROOF PLAN NOTES <br />ATTIC VENTILATION <br />1. ASPHALT SHINGLES MAY BE INSTALLED IN SLOPES AS LOW AS <br />2 UNITS VERTICAL IN 12 UNITS HORIZONTAL, PROVIDED THE <br />SHINGLES ARE APPROVED SELF-SEALING OR HAND SEALED <br />AND ARE INSTALLED WITH AN UNDERLAYMENT CONSISTING <br />OF TWO LAYERS OF NONPERFORATED TYPE 15 FELT APPLIED <br />SHINGLE FASHION. STARTING WITH AN 18-INCH -WIDE SHEET <br />AND A 36-WIDE SHEET OVER IT AT THE EAVES, EACH <br />SUBSEQUENT SHEET SHALL BE LAPPED 19 INCHES <br />HORIZONTALLY. <br />2. FOR SLOPES OF 4 UNITS VERTICAL IN 12 UNITS HORIZONTAL <br />OR STEEPER, USE ONE LAYER NONPERFORATED TYPE 15 <br />FELT LAPPED 2 INCHES HORIZONTALLY AND 4 INCHES <br />VERTICALLY TO SHED WATER. <br />3. FASTEN SHINGLES WITH CORROSION-RESISTANT NAILS, <br />MINIMUM 12-GAGE WITH 3/8 INCH HEAD, OR APPROVED <br />CORROSION-RESISTANT STAPLES, MINIMUM 16-GAGE 15/16 <br />CROWN WIDTH. FASTENERS SHALL BE LONG ENOUGH TO <br />PENETRATE INTO THE SHEATHING 3/4 INCH OR THROUGH <br />THICKNESS OF THE SHEATHING, WHICHEVER IS LESS. <br />INSTALL FOUR FASTENERS FOR STRIP ASPHALT SHINGLES 36 <br />INCHES TO 40 INCHES IN WIDTH. <br />4. THE ROOF VALLEY FLASHING SHALL NOT BE PROVIDED OF <br />LESS THAN 0.016-INCH (No. 28 GALVANIZED SHEET GAGE) <br />CORROSION-RESISTANT METAL, AND SHALL EXTEND AT <br />LEAST 8 INCHES (203 mm) FROM THE CENTER LINE EACH WAY. <br />SECTIONS OF FLASHING SHALL HAVE AN END LAP OF NOT <br />LESS THAN 4 INCHES. ALTERNATIVELY, THE VALLEY SHALL <br />CONSIST OF WOVEN ASPHALT SHINGLES APPLIED IN <br />ACCORDANCE WITH THE MANUFACTURER'S PRINTED <br />INSTRUCTIONS. <br />5. THE ROOF VALLEY FLASHING SHALL HAVE A 36-INCH-WIDE <br />UNDERLAYMENT DIRECTLY UNDER IT CONSISTING OF ONE <br />LAYER OF TYPE 15 FELT RUNNING THE FULL LENGTH OF THE <br />VALLEY, IN ADDITION TO THE UNDERLAYMENT SPECIFIED <br />ABOVE. <br />6. AT THE JUNCTURE OF THE ROOF AND VERTICAL SURFACES, <br />PROVIDE 'Z' FLASHING NOT LESS THAN 0.019-INCH (No. 26 <br />GALVANIZED SHEET GAGE) CORROSION-RESISTANT METAL <br />TO 1x4 BACKING. STEP COUNTER FLASHINIG SHALL BE <br />INSTALLED WHERE THE 'Z' BAR FLASHING SLOPES WITH THE <br />ROOF. 'L' METAL COUNTER FLASHING SHALL BE INSTALLED <br />WHERE THE ROOF SLOPES AWAY FROM THE 'Z' BAR <br />FLASHING. <br />7. OPENINGS FOR ATTIC VENTILATION SHALL BE COVERED WITH <br />CORROSION-RESISTANT METAL MESH WITH MESH OPENINGS <br />OF 1/4-INCH IN DIMENSION.