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FLASHING REQUIREMENTS <br />R609.1 General. This section prescribes performance and construction requirements for exterior <br />windows and doors installed in walls. Windows and doors shall be installed and flashed in accordance <br />with the fenestration manufacturer's written instructions. Window and door openings shall be flashed <br />in accordance with Section R703.4. Written installation instructions shall be provided by the <br />fenestration manufacturer for each window or door. <br />R703.2 Water -resistive barrier. One layer of No. 15 asphalt felt, free from holes and breaks, <br />complying with ASTM D226 for Type 1 felt or other approved water -resistive barrier shall be applied <br />over studs or sheathing of all exterior walls. Such felt or material shall be applied horizontally, with the <br />upper layer lapped over the lower layer not less than 2 inches (51 mm). Where joints occur, felt shall <br />be lapped not less than 6 inches (152 mm). The felt or other approved material shall be continuous to <br />the top of walls and terminated at penetrations and building appendages in a manner to meet <br />the requirements of the exterior wall envelope as described in Section R703.1. The water -resistive <br />barrier is not required for detached accessory buildings. <br />R703.4 Flashing. Approved corrosion -resistant flashing shall be applied shingle -fashion in a manner <br />to prevent entry of water into the wall cavity or penetration of water to the building structural framing <br />components. Self -adhered membranes used as flashing shall comply with AAMA 711. All exterior <br />fenestration products shall be sealed at the juncture with the building wall with a sealant complying <br />with AAMA 800 or ASTM C920 Class 25 Grade NS or greater for proper joint expansion and <br />contraction, ASTM C1281, AAMA 812, or other approved standard as appropriate for the type of <br />sealant. Fluid -applied membranes used as flashing in exterior walls shall comply with AAMA 714. The <br />flashing shall extend to the surface of the exterior wall finish. Approved corrosion resistant flashings <br />shall be installed at the following locations: <br />CUT HOUSEWRAP AT <br />450 ANGLE <br />MODIFIED "I" CUT IN <br />HOUSEWRAP <br />LINE OF WINDOW <br />OPENING <br />APPROVED HOUSEWF <br />SHEATHING OVER W[ <br />INSTALL 4" WIDE <br />SELF -ADHERING <br />STRAIGHT FLASHIf <br />OVER NAILING FLA <br />AT JAMBS <br />EXTEND FLASHING <br />BELOW SILL FLEXII <br />FLASHING & MIN 2 <br />THE HEAD <br />I PORARI LY <br />D-UP & SE( <br />ISEWRAP 0 <br />K FLAP UN <br />1EAD <br />,LD HOUSE <br />AT JAMBS <br />OPE SILL R <br />1.Exterior window and door openings. Flashing at exterior window and door openings shall extend to <br />the surface of the exterior wall finish or to the water -resistive barrier complying with Section 703.2 for <br />subsequent drainage. Mechanically attached flexible flashings shall comply with AAMA 712. Flashing at <br />exterior window and door openings shall be installed in accordance with one or more of the following: <br />1. 1.1.The fenestration manufacturer's installation and flashing instructions, or for applications not <br />addressed in the fenestration manufacturer's instructions, in accordance with the flashing <br />manufacturer's instructions. Where flashing instructions or details are not provided, pan flashing shall <br />be installed at the sill of exterior window and door openings. Pan flashing shall be sealed or sloped in <br />such a manner as to direct water to the surface of the exterior wall finish or to the water resistive <br />barrier for subsequent drainage. Openings using pan flashing shall incorporate flashing or protection <br />at the head and sides. <br />2. 1.2.In accordance with the flashing design or method of a registered design professional. <br />3. 1.3.In accordance with other approved methods. <br />4. 1.4.In accordance with FMA/AAMA 100, FMA/ AAMA 200, FMA/WDMA 250, FMA/AAMA/ WDMA <br />300 or FMA/AAMA/WDMA 400. <br />2. 2.At the intersection of chimneys or other masonry construction with frame or stucco walls, with <br />projecting lips on both sides under stucco copings. <br />3. 3.Under and at the ends of masonry, wood or metal copings and sills. <br />4. 4.Continuously above all projecting wood trim. <br />5. 5.Where exterior porches, decks or stairs attach to a wall or floor assembly of wood -frame <br />construction. <br />6. 6.At wall and roof intersections. <br />7. 7.At built-in gutters. <br />INSTALL 4" <br />SELF-ADHER <br />FLASHING 0' <br />WINDOW FII <br />EXTEND SELI <br />FLASHING 1'' <br />JAMB FLASH' <br />TYPICAL WINDOW FLASHING INSTALLATION DETAILS <br />4LIGN FLASHIN( <br />NI INT. EDGE 0 <br />SILL R.O. <br />MECHANICALLY <br />=ASTEN FANNED <br />EDGES. (CAP NA <br />STAPLES) PER M <br />INSTRUCTIONS <br />INSTALL 6" WID <br />SELF -ADHERING <br />=LASHING AT SI <br />EXTEND FLEX FL <br />SOWN THE SILL <br />FOLD HOUSEWRAP <br />DOWN.CONSTRUCTI <br />TAPE ACROSS HEAD <br />WINDOW & THEN <br />DIAGONAL CUT <br />4. CONTINUOUS <br />) BACK OF WIND, <br />iE IN LINE W/ <br />SOLES OR SLOTS <br />INSTALL WINE <br />PLUMB, LEVEL <br />SQUARE PER � <br />WRITTEN INS <br />NOTE: <br />1. WINDOW INSTALLATION AND FLASHING DETAILS ARE CONSISTENT <br />WITH ASTM E 2112 METHOD A-1 EXCEPT SELF -ADHERING <br />FLASHINGS ARE USED <br />2. IT IS THE CONTRACTORS RESPONSIBILITY TO VERIFY THE <br />COMPATIBILITY OF ALL PRODUCTS INCLUDING HOUSEWRAP, <br />SEALANTS & SELF -ADHERING FLASHING MATERIALS USED DURING <br />CONSTRUCTION. <br />3. INSTALL ALL MATERIALS PER MANUFACTURER'S WRITTEN <br />SPECIFICATIONS <br />WARNING: SEALANTS/FLASHINGS MAY REACT ADVERSELY IF NOT <br />COMPATIBLE. <br />NOTE: <br />TYPICAL WINDOW & DOOR FLASHING <br />INSTALLATION DETAILS PREPARED IN <br />ACCORDANCE WITH FBC APPROVED <br />SPECIFICATIONS. <br />SEAL WINDOW FRAME TO <br />INSIDE OF R.O. W/ SEALANT AT <br />SILL AND A MIN 6" UP BOTH <br />JAMBS TO FORM A BACK DAM. <br />SEAL BALANCE OF FRAME WITH <br />SEALANT OR NON -EXPANDING <br />FOAM (PROVIDE BACKER ROD <br />WHERE REQUIRED) <br />I I11 Ifl <br />SELF -ADHERING FLEXIBLE <br />FLASHING AT SILL, FLUSH <br />TO INTERIOR FRAMING. <br />INTERIOR VIEW <br />STEP 9 <br />NTS <br />y <br />DAVIS BEWS <br />DESIGN GROVP <br />150 STATE STREET EAST <br />OLUSNIAIt, FLOR.IDA 34677 <br />813.925.1300 TEL <br />813.92.5.1800 FAX <br />W W W.DAV4SBEWS.COM <br />TAMPA • DENVER. <br />-� EST. 1994 �-��- <br />!2 <br />O <br />Z � <br />N <br />0 N <br />(n M <br />LO U) fa U) <br />d L �L <br />N O Ln <br />H CL M <br />Z� U Q00 <br />Q E <br />Z � � <br />W Wo <br />J � <br />oZ <br />�o <br />�o <br />za <br />z� <br />E¢ <br />r F. <br />w¢�a <br />0QQO <br />F-1 =owz <br />LU 0 LO <br />LLI <br />a}�U_o <br />LU F_ N <br />w �°z0 <br />oLO <br />Q Zz <br />�U <br />�z <br />Z <br />LLI <br />0 <br />� Qa <br />b <br />0 w <br />L.L LLLL.. Q <br />F <br />V W <br />Q <br />z Q ow <br />UJ <br />z (,,) z z O <br />0_U <br />UJ Z �— <br />O ``' <br />z Q LU <br />ZLU <br />O a- w m <br />SCALE : AS NOTED <br />DATE ; 10-19-2018 <br />VERSION NO. <br />100 <br />SHEET NO. <br />DT5n <br />