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FLASHING REQUIREMENTS 11609.1 General. This section prescribes performance and construction requirements for exterior windows and doors installed in walls. Windows and doors shall be installed and flashed in accordance with the fenestration manufacturer's written instructions. Window and door openings shall be flashed in accordance with Section R703.4. Written installation instructions shall be provided by the fenestration manufacturer for each window or door. R703.2 Water -resistive barrier. One layer of No. 15 asphalt felt, free from holes and breaks, complying with ASTM D226 for Type 1 felt or other approved water -resistive barrier shall be applied over studs or sheathing of all exterior walls. Such felt or material shall be applied horizontally, with the upper layer lapped over the lower layer not less than 2 inches (51 mm). Where joints occur, felt shall be lapped not less than 6 inches (152 mm). The felt or other approved material shall be continuous to the top of walls and terminated at penetrations and building appendages in a manner to meet the requirements of the exterior wall envelope as described in Section R703.1. The water -resistive barrier is not required for detached accessory buildings. 11703.4 Flashing. Approved corrosion -resistant flashing shall be applied shingle -fashion in a manner to prevent entry of water into the wall cavity or penetration of water to the building structural framing components. Self -adhered membranes used as flashing shall comply with AAMA 711. All exterior fenestration products shall be sealed at the juncture with the building wall with a sealant complying with AAMA 800 or ASTM C920 Class 25 Grade NS or greater for proper joint expansion and contraction, ASTM C1281, AAMA 812, or other approved standard as appropriate for the type of sealant. Fluid -applied membranes used as flashing in exterior walls shall comply with AAMA 714. The flashing shall extend to the surface of the exterior wall finish. Approved corrosion resistant flashings shall be installed at the following locations: CUT HOUSEWRAP AT 450 ANGLE MODIFIED "I" CUT IN HOUSEWRAP LINE OF WINDOW OPENING APPROVED HOUSEWRAP OVER - SHEATHING OVER WD STUD WALL INSTALL 4" WIDE SELF -ADHERING STRAIGHT FLASHII OVER NAILING FL i AT JAMBS EXTEND FLASHING BELOW SILL FLEXII FLASHING & MIN 2 THE HEAD TEMPORARILY FOLD -UP & SE( HOUSEWRAP (( TUCK FLAP UNI AT HEAD FOLD HOUSEI IN AT JAMBS SLOPE SILL R 1.Exterior window and door openings. Flashing at exterior window and door openings shall extend to the surface of the exterior wall finish or to the water -resistive barrier complying with Section 703.2 for subsequent drainage. Mechanically attached flexible flashings shall comply with AAMA 712. Flashing at exterior window and door openings shall be installed in accordance with one or more of the following: 1. 1.1.The fenestration manufacturer's installation and flashing instructions, or for applications not addressed in the fenestration manufacturer's instructions, in accordance with the flashing manufacturer's instructions. Where flashing instructions or details are not provided, pan flashing shall be installed at the sill of exterior window and door openings. Pan flashing shall be sealed or sloped in such a manner as to direct water to the surface of the exterior wall finish or to the water resistive barrier for subsequent drainage. Openings using pan flashing shall incorporate flashing or protection at the head and sides. 2. 1.2.In accordance with the flashing design or method of a registered design professional. 3. 1.3.In accordance with other approved methods. 4. 1.4.In accordance with FMA/AAMA 100, FMA/ AAMA 200, FMA/WDMA 250, FMA/AAMA/ WDMA 300 or FMA/AAMA/WDMA 400. 2. 2.At the intersection of chimneys or other masonry construction with frame or stucco walls, with projecting lips on both sides under stucco copings. 3. 3.Under and at the ends of masonry, wood or metal copings and sills. 4. 4.Continuously above all projecting wood trim. 5. 5.Where exterior porches, decks or stairs attach to a wall or floor assembly of wood -frame construction. 6. 6.At wall and roof intersections. 7. 7.At built-in gutters. INSTALL 4" SELF -ADHERING FLASHING OVER WINDOW FIN HEAD EXTEND SELF -ADHERING -J FLASHING 1" MIN BEYOND JAMB FLASHING STEP 7 TYPICAL WINDOW FLASHING INSTALLATION DETAILS 1" MIN 4LIGN FLASHIN( NI INT. EDGE 0 >ILL R.O. MECHANICALLY -ASTEN FANNEC EDGES. (CAP NA )TAPLES) PER M NSTRUCTIONS NSTALL 6" WID SELF -ADHERING -LASHING AT SI XTEND FLEX FL )OWN THE SILL FOLD HOUSEWRAP DOWN.CONSTRUCTI TAPE ACROSS HEAD WINDOW & THEN DIAGONAL CUT A. CONTINUOUS ) BACK OF WIND ;E IN LINE W/ HOLES OR SLOT INSTALL WINE PLUMB, LEVEL SQUARE PER N WRITTEN INS7 NOTE: 1. WINDOW INSTALLATION AND FLASHING DETAILS ARE CONSISTENT WITH ASTM E 2112 METHOD A-1 EXCEPT SELF -ADHERING FLASHINGS ARE USED 2. IT IS THE CONTRACTORS RESPONSIBILITY TO VERIFY THE COMPATIBILITY OF ALL PRODUCTS INCLUDING HOUSEWRAP, SEALANTS & SELF -ADHERING FLASHING MATERIALS USED DURING CONSTRUCTION. 3. INSTALL ALL MATERIALS PER MANUFACTURER'S WRITTEN SPECIFICATIONS WARNING: SEALANTS/FLASHINGS MAY REACT ADVERSELY IF NOT COMPATIBLE. NOTE: TYPICAL WINDOW & DOOR FLASHING INSTALLATION DETAILS PREPARED IN ACCORDANCE WITH FBC APPROVED SPECIFICATIONS. SEAL WINDOW FRAME TO i I INSIDE OF R.O. W/ SEALANT AT SILL AND A MIN 6" UP BOTH JAMBS TO FORM A BACK DAM. SEAL BALANCE OF FRAME WITH SEALANT OR NON -EXPANDING FOAM (PROVIDE BACKER ROD WHERE REQUIRED) I �i SELF -ADHERING FLEXIBLE FLASHING AT SILL, FLUSH TO INTERIOR FRAMING. INTERIOR VIEW STEP 9 NTS DAVIS BEWS DESIGN GROUP 150 STATE STREE7f EAST OI.D6INAR, FIARIDA 34677 813. 92.5.1300 TEZ. 813. 925. 1800 FAX WWW.DAVLSBEWSCAM TAMI'A • L7EI�NER -�-a FST. 1994 �� O Z O cV C) N n aLn -' O H � cMr� 0 in M � Q a D- M pC U Q � Z�M WZ wo J O tD d- 3 W� Za �a w¢�� oogo J Z Z I� �0�w 0WLL t-u ��O Q ZZ r° � z �Z Z 0 F-4 O 0 Q 0-4 DO Z Ce W F- � 0 �� Q Z Q N W Z LLJ Z U Z Z 0 pU UJI � p Z z a w 0 Z In 1 0- W �m SCALE : AS NOTED DATE : 10-19-2018 VERSION NO. 100 SHEET NO. DT5s 1