Installation Guidelines For Buildings Less Than 5 Stories
DRYline Building Wrap SystemsWAT E R - R E S I S T I V E & A I R B A R R I E RInstallation Guidelines For Buildings Less Than 5 Stories
Table of ContentsProducts CoveredProducts Covered.2Required Installation Materials.2Code Requirements.2Safety and Storage.2SlippagePrecautionsStorageWarrantyDRYline Building Wrap Systems Water-Resistive andAir Barrier Installation Instructions.3Continuity.4TerminationsGable EndsCantilevered FloorsPenetrationsDryer Vent Installation Round Exhaust Duct Penetration Flashing InstallationRepairing Tears and HolesFlanged Window Installation.6Standard WindowsRound-top WindowsNon-Flanged Window Installation (Buildings lessthan 5 stories).8Wall Sheathing.10Additional Support.11DRYline BUILDING WRAP SYSTEMWATER-RESISTIVE BARRIERS (WRB)DRYline HP Building Wrap (High Perm Commercial-Grade)DRYline RainDrain Building WrapDRYline W Building Wrap (Professional Contractor Grade)DRYline CP Building Wrap (Commercial-Grade)DRYline FLASHING PRODUCTSDRYline ATX FlashingDRYline ATX Flex FlashingDRYline Sheathing TapeRequired Installation Materials DRYline Building Wrap Water-Resistive Barrier DRYline Flashing Tape Fasteners (sufficient in length to penetrate framing orfastening substrate, i.e. non-corrosive roofing nails orstaples) Sealant (residential or commercial)See list of compatible sealants on page 12.CODE REQUIREMENTS: DRYline Building Wrap Systems water-resistive barriers meet or exceed applicable buildingcodes for weather-resistant barriers and are a critical component for a healthy, energy-efficient building.SAFETY AND STORAGESLIPPAGE: DRYline building wrap systems may become slippery and pose a potential safety hazard under foot.Please discard of unused materials properly to avoid a slipping hazard.PRECAUTIONS: DRYline building wrap materials are combustible and should not be exposed to open flame or otherignition source.STORAGE: Protect from high heat or other ignition sources during shipment, storage and application. Take care toprotect from exposure to sunlight during storage. Inside or under cover storage is recommended.WARRANTY: To obtain a copy of the Secure-StartTM Limited Lifetime Warranty, please visit www.drylinewrap.comor call 800-552-7775. No other warranty, express or implied, is given, including any implied warranty of merchantabilityor of fitness for a particular purpose.Note: When installed in conjunction with other building materials DRYline building wrap systems must be properlyshingled with these materials in a manner that will divert water to the exterior of the wall system.WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 2
DRYline BUILDING WRAP SYSTEMS WATER-RESISTIVEAND AIR BARRIER INSTALLATION GUIDELINES Ensure that wall substrate is flat and free of damage and foreign debris beforeDRYline building wrap is applied. In the event of existing moisture related wallproblems, corrective measures need to be taken prior to installing DRYline building wrap products. Contact a building envelope professional for detectionand appropriate action.For the most current installation guidelines for DRYline building wrap products,please contact National Shelter Products. Always verify the intended applicationis compliant with local building codes.INSTALLATION INSTRUCTIONSDRYline building wrap systems are best installed after framing is complete and roof sheathing, step flashing and kickoutflashings have been installed and before windows and doors are installed. Install DRYline building wrap with the printfacing outward. The building wrap must be applied beginning at the bottom of the structure overlapping vertical andhorizontal seams utilizing a shingling method (the higher piece lapped over the outside of the piece below) to ensureproper water shed and prevent water from entering the wall system.Step 1Step 4Begin at the corner of the structure leaving a 6" to 12"vertical overlap.Apply DRYline Sheathing Tape at the joints of DRYline building wrap using constant and adequate pressure tomaximize adhesion. DRYline building wraps must becovered with a code complying exterior wall coveringwithin 180 days* of first application.Step 2Confirm DRYline building wrap is plumb with bottomedge extended 2" to 4" over the sill plate. Secure DRYline building wrap with plastic cap (preferred) nails or staples ornon-corrosive roofing nails or staples spaced approximately8" along the top and bottom plates and 24" apart in thefield of the roll. Fasteners should be of sufficient lengthto penetrate framing or fastening substrate. Ensure thatfasteners are properly driven; over and/or under-drivenfasteners may cause pulling around the fastener anddamage to the building wrap material.Note: When installing DRYline building wrap as an airbarrier, seal the wrap at the bottom of the wall with anapproved residential or commercial sealant, DRYline flashing or sheathing tape. For slab on grade foundations,extend to the bottom of the sill plate. Building wrap shouldbe integrated with weep screed for stucco installations.Step 3Unroll DRYline building wrap around the structure,applying directly over windows and door openings,plates, sills and corners. The top building wrap layersshould overlap the bottom layers a minimum of 2". Aminimum 6" overlap is required when starting a newroll at inside and outside corners.*120 days for DRYline RainDrain and 300 days for DRYline W.WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 3
CONTINUITYProper shingling should be used to ensure continuity of thewater-resistive barrier. Begin by installing DRYline buildingwrap at the bottom of the structure, overlapping the previouslayer by a minimum of 2". Continue wrapping the entirestructure in this manner including unconditioned spaces.TerminationsCantilever FloorsLap DRYline building wrap over the entire top of any stepflashed areas i.e., wall to roof intersections and thru-wallflashing. Be sure to integrate weep screed and expansionjoints with flashings and water-resistive barrier.Begin at wall area below the cantilevered structure,wrapping under and up the cantilever floor, folding DRYline building wrap up on the front and sides of the cantileveredwall a minimum of 6". Inside corners should be as tight aspossible utilizing a 1x4 or similar object. Tape all corners.Subsequent layers of DRYline building wrap shouldoverlap the bottom layer a minimum of 6". Gable EndsCover entire gable end with DRYline building wrapextending a 6" to 12" overlap at each corner. Cut awayexcess building wrap and tape all seams.PenetrationsWhether from dryer vents, exterior lights, electrical outletsor exhaust ducts, all building construction will inevitablynecessitate putting incidental penetrations in walls. Whilethis is an accepted practice, care must be taken to insurethat the integrity of the DRYline Building Wrap System isnot compromised. DRYline ATX Flex Flashing and DRYline ATX Flashing are designed to create a tightly sealedwater-resistive drainage plane. While the details of installation can vary, all effective flashing methods have one thingin common – they must be installed in a “shingle fashion”or in such a way that water drains down and away fromthe wall. The following steps illustrate typical examples ofpenetrations and flashing procedures consistent with currenteditions of AAMA 711 and ASTM E 2112.WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 4
Dryer Vent Installation withDRYline ATX FlashingStep 1: Cut two 45 degree angle diagonal slits in thebuilding wrap; raise the flap and temporarilysecure with tape.Step 2: Install the DRYline ATX Flashing to the undersideof the vent/building wrap intersection, extending2" past the vent opening.Step 3: Install the DRYline ATX Flashing to the sides ofthe vent/building wrap intersection, extending2" past the vent opening.Repairing Tears and HolesRips, tears, breaks and holes, etc. may occur duringnormal construction and should be repaired to maintain thecontinuity of DRYline building wrap. Properly tape, flashand seal any holes, gaps, or cracks that are present aroundfaucets, dryer vents, electrical outlets, etc. Tears smaller than1" can be easily covered with DRYline Seam/Repair Tape.Tears or holes larger than 1" may require cutting a pieceof DRYline building wrap to cover the hole with care takento maintain a “shingle-lap” installation.Step 4: Install the DRYline ATX Flashing to the top of thevent/sheathing intersection, extending 2" past thevent opening, and secure the building wrap flapto its original position with seam tape.Round Exhaust Duct PenetrationFlashing Installation withDRYline ATX FlashingStep 1: Make two 45 degree slits above the vent (in thebuilding wrap) to create a flap. Lift the flap andtemporarily secure with tape.Step 2: Cut a length of DRYline ATX Flex Flashing(approximately half the circumference of the vent).Step 3: Install the length of the DRYline ATX Flex Flashingby extending around the lower half of the ventsurface and adhering to the vent flange andbuilding wrap.Step 4: Cut a second length of DRYline ATX Flex Flashing(approximately 1" wider and 2" longer than thebottom length).Step 5: Install the remaining section of DRYline ATX FlexFlashing around the upper half of the vent/sheathingintersection, making sure the top flashing shinglescover the bottom flashing. Secure the building wrapto its original location with seam tape.WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 5
FLANGED WINDOW INSTALLATIONStep 1Step 2Prepare DRYline building wrap for window installation: A: M ake an “I-Cut” (standard I-Cut) in the buildingwrap (modified I-Cut for a round-top window is alsoacceptable). For an I-Cut, begin with a horizontal cutacross the bottom and the top of the window frame(for roundup windows, the cut should begin above themull joint). From the center, cut straight down to the sill.EXTERIOR8" MINIMUMBBA: C ut DRYline ATXFlex Flashing atleast 12" longerthan width of roughopening sill (S).B: R emove first piece ofrelease paper, coverhorizontal sill by aligning inside edge of sill,and adhere into roughopening along sill andup jambs (minimum6" on each side).12H DTWILLSISHEINCA8"MINIMUMAFOR ROUNDTOPWINDOWSEXTERIORINTERIORCORRECTWRONGDO NOT STRETCHBC: R emove second release paper.CD: F an out DRYline ATX Flex Flashing at bottom cornersonto face of wall. Coverage of DRYline ATX FlexFlashing should be 2" to 3" onto the face of the wall.Step 3B: C ut two 45 degree slits a minimum of 8" extendingfrom the corner of the window head, up and awayfrom the window opening. This will create a flapabove the rough opening to expose sheathing orframing members to allow head flashing installation(see Step 4). Flip head flap up and temporarily securewith tape. NOTE: Some windows and flashing widthsmay require longer slits.Apply sealant (residential or commercial)** on threesides (jambs and head) as shown below. If sealant isapplied to the sill, ensure that there are at least two (2)2" gaps in the sealant bead for every 4' of window toallow for drainage.C: F old side flaps into rough opening and secure toinside wall. Cut off excess flaps if desired.**Install sealant according to manufacturer’s instructions.WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 6
Step 4To Install Head Flashing on aRound-Top Window:Standard Windows:A: I nstall windowaccordingto manufacturer’sinstructions.CAULKA: C ut DRYline flex wrap head flashing at least 12"longer than the arc length (H) of round-top window.B: R emove release paper and install to conform aroundtop of window, covering the entire mounting flangeand adhering to exposed sheathing or framingmembers. Head flashing should overlap jamb flashingsby at least 6".B: C ut two piecesof DRYline ATXFlashing for jambflashing extending1" above windowhead flange andbelow bottom edgeof sill flashing. Remove release paper andpress tightly along sides of window frame.ACHMINIMUM 6"HABRound-top llow standard window instructions steps 1 thru 4B forproper installation of sill and jamb flashing prior to headflashing installation.INCORRECTSTRAIGHTFLASHINGFLUSH SFLEXIBLEFLASHINGC: C ut a piece of DRYline ATX Flashing for head flashing,long enough to extend beyond outer edges of jambflashings. Remove release paper and install completelycovering flange and adhering to exposed sheathing orframing members.NOTE: Ensure proper shingling, DRYline ATX Flashing atjambs must overlap the DRYline flex wrap at the sill andadhere to the DRYline building wrap or other WRB belowthe sill.WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 7
Step 5A: F lip down upper flapof DRYline buildingwrap or other WRBso it lays flat acrosshead flashing.B: T ape Seams asshown. Do nottape at bottom ofwindow. At the head,continuously tapeseams as shownwith DRYline building tape. Skip-tapingat the head isacceptable if an airbarrier is not requiredor if additionaldrainage is desired.C: Tape down diagonalseams of DRYline building wrap orother WRB.Step 6Final StepInstall sealant (residentialor commercial)** andbacker rod as necessaryaround the windowopening at the interior (itis also acceptable to usewindow or door foamin lieu of backer rods).The seal created by thesealant (and backer rodas necessary) or foamwill also serve as a backdam. Sealant should betooled flat to allow thenatural curing process tocreate a concave shape.Be sure that the sealantpenetrates the groovesof the DRYline flexibleflashing around sill.CAULKCAULKNOTE: Installations thatspecify a window/doordesign rating of DP45or greater may requireextra precautions. Referto AAMA guidelines forperformance requirementsexceeding this designrating.**Install sealant according to manufacturer’s instructions.WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 8
NON-FLANGED WINDOW INSTALLATION (Buildings Less Than 5 Stories)Follow Steps 1 and 2 for Flanged Window Installation.Step 3Step 4A: P repare head flashing by cutting a piece ofDRYline ATX Flashing at least 12" longer thanthe head length.ACMAKE SURE THEADHESIVE ONTHESE PEICES WILLOVERLAPDADA: P repare jamb flashing by cutting a piece ofDRYline ATX Flashing at least 6" longer thanthe jamb DOWBUTYLVIEW A-AB: R emove the release paper from one side ofDRYline ATX Flashing.C: C enter the DRYline ATX Flashing along the lengthof the window and position so that it contacts thewindow frame.B: R emove the release paper.C: P osition so that it contacts the window frame upto the exterior face of the window. Ensure that thejamb flashing is positioned 11 2" below top of headflashing. Jamb flashing adhesive must come in contactwith head flashing adhesive and overlap by 1".D: R epeat on opposite jamb.D: At the exterior corners, where the window headframe meets the jamb frame, make 45 degree cutsin the DRYline ATX Flashing at each end away fromthe header.E: F old the DRYline ATX Flashing down flat in thevertical direction parallel to the window frame.F: F old newly created flaps down to the jamb andadhere to the frame.WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 9
Step 5Step 61-1 1/2"A: A t the exterior corner of the window, where thewindow head frame meets the jamb frame, make45 degree cuts in the DRYline ATX Flashing at eachend up and away from the head and down awayat the sill.ABDA: I f sealant is applied to the sill,ensure that there are two (2)2" gaps in the sealantbead for every 4'of window to allowfor drainage usingsealant (residential orcommercial)** asshown below.CAULKDBB: I nstall the window permanufacturer’s instructions.CC: R emove the release paperfrom the DRYline ATXFlashing at jambs and press firmly to adhere it tothe DRYline building wrap or other WRB.B: F old the jamb flashing pieces parallel to the window.Fold newly created flaps to the jamb frame.D: R emove the release paper at the head and adhereit to the wall surface.C: Repeat on opposite jamb.D: C ut four (4) 3" x 3" pieces of DRYline ATX FlexFlashing and add patches to corners of the window.Staple to wooden frame for non-flanged windows.E: Complete installation starting at step STRAIGHTFLASHINGFLUSH SFLEXIBLEFLASHINGNOTE: DO NOT REVERSE SHINGLE.STRAIGHT FLASHING MUST OVERLAPFLEXIBLE FLASHING AND ADHERETO THE SUBSTRATE.**Install sealant according to manufacturer’s instructions.WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 10
Step 7Step 8A: O ptional: Cover exposed sealant with DRYlineATX Flashing, flashing tape or building tape.Final Step CEADBAAAB: O ptional: Cut a piece of metal or vinyl drip capslightly longer than the width of the window andplace a bead of sealant (residential or commercial)on the rear side. Install the drip cap tight against thewindow head and cover the top edge with DRYline straight flashing or flashing tape.Install sealant (residentialCAULKor commercial)** andbacker rod as necessaryaround the windowopening at the interior(it is also acceptable touse window and doorfoam in lieu of backerrods). The seal createdby the sealant (andbacker rod as necessary)or foam will also serveas a back dam. Sealantshould be tooled flat toallow the natural curing process to create a concaveshape. Be sure that the sealant penetrates the groovesof the DRYline ATX Flex Flashing around sill.NOTE: Installations that specify a window/door designrating of DP45 or greater may require extra precautions.Refer to AAMA guidelines for performance requirementsexceeding this design rating.C: Flip down upper flap of the DRYline building wrapor other WRB so it lays flat across head flashing.D: T ape seams as shown. Do not tape at bottom of thewindow. At the head, continuously tape seams asshown with building tape. Skip-taping at the headis acceptable if an air barrier is not required or ifadditional drainage is desired.E: Tape down diagonal seams of DRYline buildingwrap or other WRB.**Install sealant according to manufacturer’s instructions.WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 11
WALL SHEATHINGDRYline ATX Flashing and DRYline ATX Flex Flashing are excellent choices for flashing windows andpenetrations in exterior sheathing panels that serve as the Water-Resistive Barrier. Windows and wallpenetrations may be flashed with a combination of DRYline ATX Flashing and DRYline ATX Flex Flashing.Step 1Step 4Install the Sill FlashingInstall the Head FlashingInsure that all surfaces are free of excess dust, moisture,grease and other contaminants. Cut a piece of DRYline ATXFlex Flashing that is 12" longer than the length of the roughopening window sill. Remove the release liner and positionthe DRYline ATX Flex Flashing, centering it in the roughopening and overlapping the exterior WRB sheathing panelby 2" to 3". Press firmly, starting at the center and workingtoward the corners. Gently stretch and press the DRYline ATX Flex Flashing to form-fit the corners and sides.Cut a section of DRYline ATX Flashing large enough to extend 1" past the jamb on both sides of the window. Removethe release liner and install the flashing, insuring that it coversthe nail fin flange and the adjoining sheathing surface. Forround top arch windows, cut a section of DRYline ATX FlexFlashing that is at least 12" greater than the arch length.Remove the release liner and install the flashing along thearched contour.Step 2Step 5Terminate the edge of the Head FlashingInstall the windowApply a continuous bead of approved construction sealantto the back side of the window nail fin or on the wall. Ifapplying sealant to the bottom window nail fin or windowbottom, leave a minimum of two (2) 2" gaps for each 4' ofwindow, for drainage. Install the window in accordancewith the manufacturer’s installation instructions, insuring thatthe window is plumb and securely fastened to the framing.Install approved sealant or foam around the interior windowopening and provide for an adequate back dam.Step 3Install the Jamb FlashingRemove the release liner and apply the flashing to both sidesof the window. Position the DRYline ATX Flashing and applypressure so that it is adhered to the entire window nail finflange and the WRB sheathing.Cut a section of seam construction tape 2" longer than the installed Head flashing tape and install it by lapping it shinglefashion over the Head Flashing. The seam construction tapeshould extend 1" past each end of and overlap the HeadFlashing by 1".DRYline ATX Flashing and DRYline ATX Flex Flashing areexcellent choices for flashing Gypsum Wall Sheathing. Useminimum 3" width DRYline ATX Flashing to flash wall jointsand seams. Windows and wall penetrations may be flashedwith a combination of DRYline ATX Flashing and DRYline ATX Flex Flashing.Use of a J-Roller is recommended when applying the flashingto the Gypsum Sheathing.Sealants Compatible with DRYline ATX & ATX Flex Flashing Tapes†MANUFACTURER*BostikHenkl - OSISikaHenryDow-CorningPRODUCT GRADETYPEWEBSITEChemCalk 915HM270Sikaflex struction.comwww.henry.comwwwdowcorning.comA limited product warranty applies to DRYline ATX & ATX Flex flashing products. Please contact National Shelter Products or visitwww.drylinewrap.com for details. No warranty, express or implied, is given as to the merchantability, fitness for particular purpose,or otherwise for applications outside the scope of the published limited product warranty.Technical information contained herein is furnished without charge or obligation, and is given and accepted at the recipient’s solerisk, Because conditions of use may vary and are beyond our control, National Shelter Products makes no representation about, andis not responsible or liable for damages caused by the products referred to. Installers need to evaluate compatibility and fitness for usefor the intended application and the various products in the assembly.* For evaluation of other sealant grades, please contact National shelter Products.† WATER-RESISTIVE & AIR BARRIER Installation Guidelines 4/16 12
NEED ADDITIONAL SUPPORTPlease visit www.drylinewrap.com or call800-552-7775 to request a DRYline Specialist Installation Review or to locate orbecome a DRYline Certified Installer. OurCertified Installers are trained to install DRYline building systems according to building codesin the most efficient and effective manner –contact us for more information!www.drylinewrap.comQuestions? Please contact us at:National Shelter Products, Inc.50 SE Bush Street, Issaquah, WA 98027Phone: 800-552-7775 Fax: 425-557-8592email: support@drylinewrap.comweb: www.nationalshelter.com 2016 National Shelter Products. All rights reserved. DRYline is a registeredtrademark and Secure StartTM is a trademark of National Shelter Products. 4/16
Flashing for jamb flashing extending 1" above window head flange and below bottom edge of sill flashing. Remove release paper and press tightly along sides of window frame. C: Cut a piece of DRYline ATX Flashing for head flashing, long enough to extend beyond outer edges of ja
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