DuPont HDXXTYVK3 Guía de instalación descargar pdf (Pagina 5)

DuPont

™

Tyvek

Water-Resistive and Air Barriers Installation Guidelines

Installation Instructions

Start at the bottom of the structure to ensure proper shingling throughout the

installation. Proper shingling is required to shed water and to prevent water from

entering the wall system.

STEP 1

UNWRAP roll at corner, leaving 6” to 12” vertical overlap.

Printed stud marks are available on some DuPont

™

Tyvek

WRBs to aid in aligning with

the studs. (e.g. studmarks are 8” apart for DuPont

™

Tyvek

HomeWrap

)

STEP 2

Roll should be plumb. Bottom edge of roll should extend over sill plate interface at least

2”. For maximum air leakage reduction (when installing as an air barrier), seal wrap at

the bottom of the wall with sealant (i.e. DuPont

™

Residential, DuPont

™

Commercial

Sealant or recommended sealant), DuPont

™

Tyvek

Tape, DuPont

™

StraightFlash

™

DuPont

™

Flashing Tape. Extend to bottom of sill plate for slab on grade foundations. For

stucco exteriors integrate with weep screed.

STEP 3

Secure DuPont

™

Tyvek

WRB to the stud or other nail-base material i.e wood sheathing.

Fasteners should be spaced no closer than 6” and no farther than 18” on vertical stud

lines. This may involve penetrating bandboard or other horizontal members to maintain

proper spacing. Use one or more of the recommended fasteners below for use with

DuPont

™

Tyvek

WRBs:

• DuPont

™

Tyvek

Wrap Cap nails

• DuPont

™

Tyvek

Wrap Cap screws

• DuPont

™

Tyvek

Wrap Cap Staples for Stinger™*

• 1.0inchminimumcrownstaples*

*Except when installing DuPont

™

Tyvek

WRB over foam and other non-nail-base

sheathings.

Please see “Use of Temporary Fastening Methods” later in this guide for more

information on alternative fastening schedules and requirements.

NOTE: Do not fasten within 9” of rough opening head.

STEP 4

Unroll directly over windows and doors. Upper layer of DuPont

™

Tyvek

WRB should

overlap bottom layer by a minimum of 6”.

Refer to the DuPont

™

FlashingSystemsInstallationGuidelinestoprepareandash

window and door openings.

NOTE: If windows are already installed, the DuPont

™

Tyvek

WRB must be integrated

withpropershinglingwithwindowashings.IfDuPont

™

FlexWrap

™

NF and apron are

used, install the DuPont

™

Tyvek

WRB under the apron to ensure proper shingling. If

non-selfadheringsillashingisused,installtheWRBunderthebottomofthesill

ashingtomaintainpropershingling.

STEP 5

All vertical seams shall be

taped with DuPont

™

Tyvek

Tape. When

installing as an air barrier,

also tape all horizontal

seams. Taping all vertical

and horizontal seams, and

taping or sealing all

terminations (including,

but not limited to,

roof-wall interfaces and

sill plates) is required

when installing DuPont

™

Tyvek

WRBs as air

barriers. Use 3” DuPont

™

Tyvek

Tape when taping

horizontal laps of DuPont

™

Tyvek

StuccoWrap

and

DuPont

™

Tyvek

DrainWrap

™

. Use DuPont

™

Tyvek

Metalized Tape

when taping DuPont

™

Tyvek

ThermaWrap

™

STEP 6

After DuPont

™

Tyvek

WRB is installed refer to

the DuPont

™

Flashing

Systems Installation

Guidelines, Installation

Instructions for Windows

and Doors AFTER

Water-Resistive Barrier

(WRB) is Installed to

prepareandash

windows and doors.

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