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Shingle Manufacturer Approval Letters

Atlas Shingles on ZIP System Roof Sheathing
Atlas Roofing Corporation will accept the installation all Atlas asphalt shingle products over the Huber Engineered Woods "ZIP System" roof deck product, under the following conditions...

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CertainTeed Shingles on ZIP System Roof Sheathing
CertainTeed will offer its standard limited warranty covering its roofing shingles when applied properly to Huber Engineered Wood’s “ZIP System™ Roof Sheathing...

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Owens Corning Shingles on ZIP System Roof Sheathing
This letter is to confirm that it is acceptable to apply Owens Corning shingles over the Huber Engineered Wood ZIP System, provided the following conditions requirements are met...

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Tamko Shingles on ZIP System Roof
TAMKO Building Products, Inc. ("TAMKO") will warrant its fiberglass/asphalt shingles, Lamarite composite shingles, and MetalWorks steel shingles when properly installed over Huber Engineered Woods ZIP System Roof sheathing...

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GAF-Elk Shingles on ZIP System Roof Sheathing
This will confirm Elk premium roofing products are approved for use with the ZIP System™ Roof Sheathing and carry the full limited warranty, provided the following installation requirements are followed...

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IKO Shingles on ZIP System Roof Sheathing
This will confirm IKO premium roofing products are approved for use with the ZIP System™ Roof Sheathing and will carry the full IKO limited warranty, provided the following installation requirements are followed...

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ZIP System Superior Performance

Why ZIP System Wall Sheathing is Superior to Housewrap
ZIP System® wall has a built-in, water-resistive barrier that lets you say good-bye to house wrap forever. Simply install the panels, tape the seams, and you have a complete structural wall system and water-resistive barrier all-in-one...

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ZIP System Wall Sheathing and Air Barrier Performance
Rising energy prices, growing awareness of building performance and environmental sustainability, and changes in building codes have led to the development of new products and building practices. ZIPSystem® Wall sheathing is specifically designed to address the growing need for home performance, comfort and energy efficiency...

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ZIP System Wall Sheathing Air Movement Test Methodology
To demonstrate that ZIP System® wall sheathing panels and tape create a high performing air barrier assembly, independent 3rd party testing was completed in accordance with ASTM E 2357 Standard Test Method for Determining Air Leakage of Air Barrier Assemblies...

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Does Housewrap Really Protect Window Openings?
Typical housewrap instructions specify wrapping the housewrap inside the rough opening as shown in detail “A” below. When installing a flanged window, sealant is typically specified by the window manufacturer to be applied between the mounting flange and the water-resistive barrier. The sealant, in combination...

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Overdriven Fasteners in ZIP System Sheathing
Nails or other code recognized fasteners used to attach ZIP System products to supporting framing members may occasionally penetrate beyond the face of the ZIP System panels...

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Codes and Construction

Why No H-Clips
The IBC states that 1/2” thick, PS-2 panels that have a span rating of 32/16 can have an unsupported edge of 28” and 5/8” thick panels that have a span rating of 40/20 can have an unsupported edge of 32”. This means that 1/2” and 5/8” thick roofing panels that are supported by roof framing (rafters or trusses) spaced at 16” o.c. or 24” do not require edge support (H-clips).

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ZIP System Sheathing Load-Span Tables
ZIP System sheathing panels are manufactured in conformance with PS2, Performance Standard for Wood-Based Structural-Use Panels. The loads are provided for applications where the panel strength axis is applied perpendicular to supports and applied parallel to supports. The values in the load-span table assume dry conditions, normal duration of load, and a minimum panel width of 24”.

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Rough Dry-In Defined
This Technical Tip is intended to clarify what is meant by the term “Rough Dry-In” when used in ZIP System product literature...

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ZIP System Roof and Wall Sheathing - Formaldehyde
AdvanTech® and ZIP System® panels are manufactured in accordance with the product standard, PS2, Performance Standard for Wood-Based Structural-Use Panels. The adhesives used to produce AdvanTech and ZIP System panels are a combination...

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What is ZIP System Roof Sheathing?
ZIP System® Roof Sheathing is a combination wood structural panel and roofing underlayment. It is code recognized by International Building and Residential Codes as an alternate to roofing underlayment (felt paper) required by code when panel seams are taped with the ZIP System tape...

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What is ZIP System Wall Sheathing?
ZIP System® Wall sheathing is a combination wood structural panel, water-resistive barrier and air barrier. It is code recognized in ICC-ESR 1474 as an alternate to the water-resistive barrier required in Chapter 14 of the IBC and Chapter 7 of the IRC and satisfies the requirements for air barriers as defined in the 2009 International Energy Conservation Code...

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Allowable Shear Capacity for ZIP System® Wall Panels
Typical plywood, OSB and ZIP System wall sheathing, assuming they are the same thickness and panel grade, resist the same amount of allowable shear in accordance with chapter 23 of the IBC.

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Installation Tips

Acceptable Roof and Wall Coverings
The following roof and wall coverings can be applied directly to the ZIP System roof and wall sheathing...

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Bracing Gable End Wall Trusses
Gable end wall trusses are fabricated with parallel vertical web members that provide a series of wide nailing surfaces for sheathing and finish wall coverings. The outside face of the gable end trusses are typically sheathed with wood structural panels, like AdvanTech® and ZIP System® Wall sheathing. Improper bracing of the gable end truss can lead to serviceability problems like cracked ceilings and bowed siding. We recommend all gable end wall trusses be braced in accordance with the Building Component Safety Information (BCSI) handbook...

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Exterior Insulated Finish Systems (EIFS) on ZIP System Wall Sheathing
Exterior Insulation and Finishing Systems (EIFS) are Non-load bearing, exterior wall cladding systems that consists of an insulation board attached either adhesively or mechanically, or both, to the substrate; an integrally reinforced base coat; and a textured protective finish coat...

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Termite Treatments on ZIP System Sheathing
At the designer-of-record or general contractor’s option, field-applied water-soluble borate insecticide or fungicide treatments may be used and still maintain the ZIP System limited warranty provided all the following stipulations are incorporated during installation...

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Copper Roofs on ZIP System Roof
Copper, like most metals, conducts heat and expands and contracts with fluctuations in ambient temperature. Copper roof system must be designed to accommodate normal expansion and contraction without resulting in premature fatigue of the metal. An approved slip sheet should be installed between the copper and the ZIP System roof...

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Wet Sprayed Cellulose Insulation with ZIP System Wall Sheathing
Application of wet spray cellulose insulation entails a mixture of the insulation, adhesive and water that is sprayed into the open wall cavity. Most wet blown cellulose insulation manufacturers recommend that moisture content of the installed insulation not exceed 20%-25% prior to installation of drywall or other interior finishes.

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Installing Ice and Water Membranes with ZIP System Sheathing
There are many preventative methods used in today’s construction industry and one of the more common methods is the use of ice and water membranes. These products are typically a peel-and-stick type of sheet membrane that is installed on the eaves and also in the valleys on roofs. ZIP System roof sheathing is not a replacement for these types of membranes...

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Spray Foam Insulation with ZIP System Sheathing
There are two types of spray-in foam insulation used in today’s construction industry, low density foam (open cell) and high density foam (closed cell). Both of these types are available in a variety of derivatives such as polyurethane, soy, polyisocyanurate, icynene, etc.

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ZIP Gun with Liner-less ZIP System tape
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