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Outside Corners
Corner with Sheet Metal Backer
Overlap the panels past the corner by the thickness of the panel (i.e. 2½” for EXe 2.5) creating an overlapping butt joint. Leave a ¼” gap at the butt joint for foam sealant. Corner posts can be attached with a 4” screws directly back to the framing when an InSoFast stud is not located near enough to the corner for siding attachment. Sheet metal flashing may be added behind the corner post for siding fastening at the corner post.
Sheetmetal Backer
TIP: Use Loctite Pl Premium 3x to adhere the sheet metal corner to the InSoFast panel and duct tape to hold corner in place until the adhesive cures.
Corner with Wood Backing
Corner with Wood Backing
Another option is to install 2x dimensional lumber with 1” foam board added to provide a solid 2-1/2” thick backing as needed. This can be done prior to installing or after installing the InSoFast panels.
This application 1" thick silver foiled foam panel was added to the wall sheathing then the 2x corner backing material was added on top.
Inside Corners
Corner with wood Backer
Overlap the panels past the corner by the thickness of the panel (i.e. 2½” for EXe 2.5) creating an overlapping butt joint. Leave a ¼” gap at the butt joint for foam sealant. Corner posts can be attached with a 4” screws directly back to the framing when an InSoFast stud is not located near enough to the corner for siding attachment. Sheet metal flashing may be added behind the corner post for siding fastening at the corner post.
Sheetmetal Backer
TIP: Use Loctite Pl Premium 3x to adhere the sheet metal corner to the InSoFast panel and duct tape to hold corner in place until the adhesive cures.
Corner with Wood Backing
Another option is to install 2x dimensional lumber with 1” foam board added to provide a solid 2-1/2” thick backing as needed. This can be done prior to installing or after installing the InSoFast panels.
This application 1" thick silver foiled foam panel was added to the wall sheathing then the 2x corner backing material was added on top.
Detailing Outset Windows
An outset window is installed with the nailing flange flush with the front face of the InSoFast panels. Install window and flashings as per window manufacturer’s installation instructions prior to installing InSoFast panels.
Head Jamb Flashing Detail;
Side Jamb Detail;
The side jamb is installed with the nailing flange flush with the front face of the InSoFast panels. Typically an extension jamb is used to bring the window flush with the exterior finished surface. Install window and flashings as per window manufacturer’s installation instructions prior to installing InSoFast panels.
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Typical Sill Flashing Details;
An inset window is installed with the nailing flange flush to the exterior sheathing layer of the wall. It requires sill and jamb extensions for the exterior. Install window and flashings as per window manufacturer’s installation instructions prior to installing InSoFast panels.
Other Through-Wall Penetrations;
Mechanical penetrations are treated as they would be for typical construction. All through-wall penetrations should be installed and sealed back to the WRB layer before the InSoFast panels are installed. Install penetrations to manufacturer’s installation instructions. Cut and fit the InSoFast panel around the penetration, leaving a ¼” gap. Fill the gap between the penetration and the InSoFast panel with a foam sealant.
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Window Details for Frame;
Cold Weather Installation Tips for finishes application;
If you opt to use nail guns to install InSoFast panels and/or siding, it is only recommended when temperatures are above 60° F. Smaller nail size and shank diameter will perform better at lower temperatures. It is up to the contractor, and/or building official to determine the suitability for the use of nails when installing siding. It is important for the contractor to verify that the fasteners do not crack the stud and that they are not over-driven or under-driven into the stud. In cold weather to keep working you can hand nail the siding or for cement board applications switch to ITW Buildex Product Report: Stucco/Cement Board Applications (Rock On Fasteners) (PDF, 127kb)
Related Information for Fastening
- ITW Buildex Product Report: Light-to-Medium-Duty Masonry Applications (Tapcon® Screws) (PDF, 52kb)
- ITW Buildex Product Report: Stucco/Cement Board Applications (Rock On Fasteners) (PDF, 127kb)
- Performance Data: Perma-grip Nails (Perma-Grip)
- Installing James Hardie Products over ICFs (fastener info comparable to InSoFast) (PDF, 980kb)
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This is an all concrete home being built in North Carolina; In this series of videos we will explore finishing concrete with InSoFast. |
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InSoFast Flat Panel EXe 2.5 is a feature rich continuous insulation panel. The EXe is optimized for exterior wall applications |
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For legal sake, we should probably clarify that you can try InSoFast panels at home. We don't necessarily condone trying the rock-climbing part at home. |
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The InSoFast Panel features built-in drainage channels that are specifically designed to direct the flow of moisture out of the wall. |
Adhesives:
Polyurethane Adhesives
POLYURETHANE CONSTRUCTION ADHESIVE
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Green Guard Certified Adhesive:
One of the many reasons we recommend Loctite PL Premium is it has the GREENGUARD Certification. Loctite PL Premium bonds to most common construction materials such as wood, plywood, OSB, treated wood, concrete, stone *, slate, masonry, brick, foamboard
insulation , metal, stainless steel, galvanized metal, and other cement-based products.
InSoFast panels were designed with simplicity and speed in mind. In unit masonry applications we would argue that gluing them is not only the easiest method of installation but often the most effective. Third-party testing has shown the adhesive bond strength of our studs to have 108psi of holding power. This means each adhered panel is capable of holding over 5,000lbs!
In Canada the Glue is LePage PL Premium
Testing was conducted using Loctite PL Premium’s 3X Stronger Construction Adhesive, (in Canada it is marketed under the LePage PL Premium brand,) on clean concrete surfaces. It is the only adhesive we have tested. Other formulas and brands may not work as expected.
Estimating Adhesive Quantity
Estimating adhesive has variables beyond our control, the condition of the wall, and how accurate the tradesmen is with a glue gun? The adhesive manufacturer's technical sheet states, "A 3/8” (9.5 mm) bead extrudes approximately 38 ft. (12 m)."
That is in a perfect world. When PL Premium 3x adhesive is applied a ⅜" bead on the backside of the stud's ribbed surfaces roughly equates to 7 InSoFast panels or 56 square feet of adhered wall.
The adhesive follows the "Goldie Locks Rule," too much, too little, and just right. Doing just right you can expect that 1 large 28-fl oz tube will cover 21 of our studs (3 studs per panel for 7 panels).
Other considerations additional adhesive should be included for securing the panels at openings like windows, doors and corners.
1 large 28-fl oz / 828 mL tube = 21 (22" studs) or 7 panels for 56 Square feet of glued InSoFast wall surface.
- We recommend that you estimate approximately 10% waste or
- 1 tubes of the adhesive = 50 Square feet of wall.
To verify that enough adhesive is used, press the panel into place. Pull the panel back and check to see if the adhesive has spread out beyond the full width of the stud. It is normal for the panel to "float out" from the side of the wall when it is accommodating irregularities the adhesive will bridge gaps up to 3/8". Additional adhesive may be necessary in some areas.
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POLYURETHANE CONSTRUCTION ADHESIVE Rough estimate for 28 ounce tubes of adhesive required |
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| Square Feet | InSoFast Boxes | CONSTRUCTION ADHESIVE |
| 800' | 20 | 16 |
| 1200' | 30 | 24 |
| 2000' | 50 | 40 |
| 3600' | 90 | 72 |
Important Notice: Surface Temperature Applications
When bonding EPS and XPS foam insulation, use above 40°F (4°C) and avoid cure and surface temperatures above 90°F (32°C). Surfaces must be clean, dry and free of frost, grease, dust and other contaminants. Pre-fit all materials and protect finished surfaces. If using cartridge format, cut nozzle at a 45° angle to desired bead size and puncture inner seal. Be very careful not to allow Loctite® PL® Premium to cure on a finished surface.
Cold/Hot Weather Tips:
Installation:
Apply adhesive to one surface of the material being bonded. Press the surfaces firmly together within 15 to 20 minutes. Materials may be repositioned within 30 to 45 minutes after applying the adhesive. If bonding two non-porous surfaces (such as foam, metal or rigid fiberglass) or under very dry conditions (less than 30% relative humidity), add water in the form of a very light or atomized spray from a plant mister bottle to the extruded adhesive. The repositioning time will then be reduced to less than 15 minutes.
Use mechanical support for 24 hours while the adhesive cures. Cure time is dependent upon temperature, humidity, porosity of substrate and amount of adhesive used. Low temperature and humidity will slow cure time. When bonding the stud or foam insulation, avoid cure and surface temperatures above 90°F (32°C) as this may cause voids or cavitation of the adhesive. User is responsible for determining suitable and acceptable results for their intended project. Test before use.
Wear gloves. Cured adhesive on bare skin will not come off immediately with washing and will cause skin to darken. Cured adhesive and discoloration will come off in about 3 days.
Clean tools and uncured adhesive residue immediately with mineral spirits in a well-ventilated area to the outdoors. Remove cured adhesive by carefully scraping with a sharp-edged tool.
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EXe 2.5 Insulated Panel with Studs |
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| EXe 2.5 Flat Panel Details |
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| InSoFast Exterior Architectural Submittal | |||||
| Panel Body Dimensions | 24in × 48in × 2½in | ||||
| Drainage Channel Dimensions | 24in × ¼in × ¼in | ||||
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Coverage |
8 sq-ft |
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R-Value ASTM C518 |
R-10.5 |
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| Comparable Performance to |
2×4 Wall/R-15 Batts |
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| ASTM C578 Type II |
Closed-Cell, injection-molded EPS |
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Canadian Standards CAN/ULC S701 Type 2 |
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ASTM C303 Foam Density |
1.35 lbs per cubic foot |
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ASTM E96 Water Vapor Permeability |
(Class III Vapor Retarder) 3.5perm/in |
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| Maximum Service Temperature (long term) |
167°F = 75 Celsius (°C) |
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Recessed ½in below Surface |
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Interlocking Edges |
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| Cutting Indication Lines |
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Designed Ready for Finishing Attachment |
Both Interior/Exterior (drywall, siding, etc) |
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Exterior Rated Moisture Control |
ORSC, Section R703.1.1-approved rain screen and drainage technology on both sides | ||||
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Exterior Application |
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Interiors Application |
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The InSoFast panel studs provide a simplified approach to wall assembly. The InSoFast stud are injection-molded high-strength recycled polypropylene plastic. Next a special co-molding process expands the foam insulation around the studs forming one solid panel. The studs provide a structural attachment point to the substrate and for the specified finishes. For More Information:
| Inside Corners, All | |||
| Outside Corners, All | |||
| Foam Over 2x Backer | dxf | dwg | |
| Foam Under 2x Backer | dxf | dwg | |
| InSoFast No Backing | dxf | dwg | |
| ZipWall Backer Over Foam Board | dxf | dwg | |
| Zip Wall No Backer | dxf | dwg | |
| Foam Over Backer Stud | dxf | dwg | |
| Sheet Metal Backer | dxf | dwg | |
| Sheet Metal Strapping Backer | dxf | dwg | |
| InSoFast Over Additional Sheet Foam No Backer | dxf | dwg | |
| InSoFast With Additional Sheet Foam No Backing | dxf | ||
| Inside Corner No Backing | dxf | dwg | |
| Inside Corner 2x Backer With Foam | dxf | dwg |
| Outset Windows, All | |||
| Inset Windows, All | |||
| Outset Window Sill Section | dxf | dwg | |
| Outset Window Head Jamb Section | dxf | dwg | |
| Outset Window Horizontal Section | dxf | dwg | |
| Outset Window with 2×3 Framing Head Jamb Section | dxf | dwg | |
| Outset Window with 2×3 Framing Horizontal Section | dxf | dwg | |
| Outset Window with 2×3 Framing Sill Section | dxf | dwg | |
| Inset Window Head Jamb Section | dxf | dwg | |
| Inset Window Horizontal Section | dxf | dwg | |
| Inset Window Sill Section | dxf | dwg |
- Rigid Insulation on Exterior Walls
- Controlling Cold-Weather Condensation Using Insulation
- Insight: A Bridge Too Far
- Musings of an Energy Nerd: Air-Sealing Tapes and Gaskets
- Musing of an Energy Nerd: In Cold Climates, R-5 Foam Beats R-6
- Installing Exterior Insulation in Cold Climates
- Energy Saving Makes Cents
InSoFast Plus Method
Need a higher R-value? No Problem! Start with a base of InSoFast continuous insulation panels they are feature-rich and easy to install. Then add rigid foam insulation over top of InSoFast panels.
