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Large systems may likewise increase transportation expenses from the factory to the website and erection expenses of positioning the systems on the building. Thermally broken unitized systems are available, making use of similar innovation as that utilized in stick curtain wall systems. The service life of even the most long lasting curtain wall might be shorter than that of long lasting surrounding wall claddings such as stone or brick masonry.


The service life span of parts that are mated with the drape wall into an assembly must match the life span span of the drape wall itself. Require durable flashing products, non-corroding accessory hardware and fasteners, and moisture resistant products in areas subject to moistening. Lab testing: For tasks with a considerable quantity of custom drape wall, need laboratory testing of a mock-up drape wall prior to settling job store illustrations.


Define that laboratory tests are to be performed at an AAMA Accredited Lab center. Field Mock-up: For all drape walls, stock or custom-made, require construction and screening of a field mock-up representative of the wall/window assembly. This is finest arranged prior to the release of store drawings for window production, so that there is a chance to make style changes based on the test performance of the field mock-up.




Field screening of curtain walls: Need the field screening of drape walls for air infiltration and water penetration resistance, for quality control of curtain wall fabrication and installation. Require several tests with the very first test on initial setups and later tests at roughly 35%, 70% and at last conclusion to catch issues early and to validate ongoing craftsmanship quality - glazing panel.


Shop drawing coordination: Need drape wall installation store illustrations revealing all adjacent construction and associated work, consisting of flashings, accessories, interior surfaces, and showing sequencing of the work. Drape wall systems, specifically unitized systems, require expertise on the part of the structure designer, the producer, the fabricator, and the installer. For all but the most basic of systems, the designer needs to consider engaging an outside expert, if such know-how is not readily available on the staff.

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The details connected with this area of the BEDG on the WBDG were established by committee and are intended solely as a means to illustrate basic style and building and construction principles only. Proper usage and application of the principles highlighted in these details will differ based upon performance factors to consider and ecological conditions distinct to each task and, therefore, do not represent the last viewpoint or recommendation of the author of each section or the committee members accountable for the advancement of the WBDG.




Elevation includes splice joints to accommodate thermal motion of the drape wall find frame. A through-wall metal flashing at the base of the brick cladding above the curtain wall safeguards the drape wall from leakage through the wall above (see Outside Wall) for integration of the these elements. Find exterior border sealant joints behind trim cover to prevent water inside trim cover from bypassing the outside sealant joint.


Constant metal sill flashing at the base of the curtain wall secures the wall framing listed below from leakage through the drape wall. Sill flashing need to have upturned end dams and completely sealed corners (glazed glass panels). Intermediate horizontal ought to be wept to the outside and prevent water from draining pipes onto the head of the glazing system below.




Locate setting blocks as to not block water drain from the glazing pocket. Offer anti-walk blocks at the jambs of the glazing systems. Blocks need to be gapped 1/8-inch from the edge of the glazing unit. Note: the following U-series information are courtesy of The Exterior Group This elevation reveals a common unitized curtain wall assembly hung from the edge of the floor piece.


The unit shown is composed of vision glazing and glazing infill panel a glazed spandrel shadow box with an insulated back pan. A constant vertical my site gasket provides the primary weather condition seal at the pressure equalized rainscreen zone of the assembly. Foam glazing tape weather condition seal is discontinuous at horizontal panel joints to attain pressure equalization in between weather condition and air seals at vertical unit joints.

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The units are linked with a field applied splice sleeve that includes an index clip to line up the next system above the joint horizontally as it is being set. Glazing pocket weeps are safeguarded from wind-driven rain and pressure by a glazing trim cover consisting of weep slots in the bottom which are offset from the sill glazing pocket weep slots and the glazing setting blocks at glazing panel quarter points.


Gasket height ought to represent the drape wall design pressure. fire rated glass vision panels. Exterior cover splice sleeves are installed at the face of the stack joint throughout system field setup. Units are designed and installed with horizontal and vertical clearance spaces to enable differential movement and accommodate construction tolerances. Pressure adjusted rainscreen gaskets form a main weather seal at the face of the unitized vertical stack joint in line with the horizontal rainscreen gasket at the system sill below.




Spandrel glass adapters are utilized to lower the depth of the glazing pocket to accommodate lowered profile of spandrel glass. Spandrel glass adapters need to be totally bedded in sealant and incorporated with glazing pocket corner seals to prevent water leak from glazing pocket to structure interior. System dimension of mating head and sill extruded profiles permits defined flooring to flooring deflection at the stack joint.