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Who Really Uses Exterior Insulating Sheathing?

September 21, 2016

exterior sheathing imagePlasti-Fab

The correct answer is, people who are looking to improve the energy efficiency of their homes and save on energy costs, and truly, who DOESN’T want that?

People are continually looking at different ways to increase their energy efficiency and decrease their energy costs. So what do they do? Replace windows and doors. Well that’s a great start, but what about all that space between your windows and doors? How much energy do you think is leaving through your walls every day? Parents are always after their kids to shut the door so we don’t let the heat or cool air out but in reality, you could be losing up to 33% of your heating and cooling through your walls each day due to thermal bridges caused by the wood studs that frame your wall.

So how do we solve this problem? That’s where CONTINUOUS exterior INSULATING sheathing OVER THE EXTERIOR OF YOUR FRAMED WALL comes in. Think of CONTINUOUS exterior INSULATING sheathing as MONOLITHIC blanket that you wrap around your home, keeping the temperature stable, and increasing the energy efficiency.That’s where continuous exterior insulating sheathing over the exterior of your wood framed wall comes in. Think of exterior insulating sheathing insulation a monolithic blanket that you wrap around your home, keeping the temperature stable, and increasing the energy efficiency. If this is something you want to pursue to save on energy costs and improve the overall comfort of your home, let’s take a look at EPS rigid insulation as a solution

DuroFoam Exterior Sheathing Retrofit (3)

It is more cost effective and time effective to increase the R-value of your above grade wall by insulating from the outside in then from the inside out. Make sure you check your local building code; see what they have for rules, requirements and restrictions. This will save you from problems later on.

We have a good selection of rigid insulation that can be used as continuous exterior insulating sheathing. By adding PlastiSpan, PlastiSpan HD, EnerSpan or DuroFoam/DuroSpan insulation to your home we will increase your energy efficiency and decrease your costs. Just for easier reading, all insulation will be called PlastiSpan/EnerSpan insulation from here on, but any of the 5 products mentioned above is the right insulation solution for this application.

A little overview of the 5 types so you can chose the best for your application

  • PlastiSpan insulation has the lowest cost/R-value for rigid insulation
  • PlastiSpan HD insulation gives you a slightly higher R-Value and compressive strength.
  • EnerSpan insulation is an EPS insulation with silver-gray that provides an enhanced R-value
  • DuroFoam and DuroSpan insulation are PlastiSpan or EnerSpan insulation with a laminated film on both sides.

After you have chosen which type of PlastiSpan/EnerSpan insulation you are going to use and have removed all your existing siding, you need to plan out the joints. Apply one of the exterior insulating sheathing over the exterior of the wood framing. All vertical edges of the PlastiSpan/EnerSpan insulation need to be butted tightly together over stud locations for adequate support.


Make sure you are using the correct fasteners. PlastiSpan/EnerSpan Insulation must be fastened to framing using fasteners with heads or washers at least ½” (12.7 mm) diameter where the cladding will be applied directly against the insulation. Fasteners with heads or washers at least 1″ (25 mm) in diameter must be used where an air space will exist between the continuous insulating sheathing and the cladding. (The fasteners are usually a nail with a green washer around it). When you are installing exterior cladding; cladding must be attached to the wood framing members so fasteners need to be long enough to penetrate through the exterior insulating sheathing and at least 1″ (25 mm) into the wood framing.

A separate sheathing membrane is not required if all joints between the exterior insulating sheathing boards are taped using a sheathing tape to seal them.

This should finish off the exterior insulation of your home. New doors, new windows and using continuous exterior insulating sheathing under your cladding, it will make a huge difference on your energy bills every month, plus increase the comfort inside your home. It’s a win-win situation, and who can resist a win-win?

Want to learn more about the products and applications we have talked about here? Take a look at the referenc elinks below for the specific application and product.
Exterior Insulating Sheathing –
PlastiSpan Insulation –
PlastiSpan HD Insulation –
DuroFoam Insulation (Canada) –
DuroSpan Insulation (USA) –

Insulspan’s engineers are paying attention to building science advancements

August 29, 2016

Insulspan SIPS CanadaRoger Bowser, the manager of Energy Programs and Services at Midwest Energy Cooperative, is as passionate about energy efficiency as he is about serving his customers, who number around 35,000 throughout southern Michigan, northern Indiana, and Ohio. When they call him about high energy bills, and are looking for tips on making a cold, drafty house less so, “I take those questions seriously.”

SEED house Adrian MIWith that kind of commitment already in mind, Roger jumped at the opportunity for the public utility to join forces with the Lenawee Intermediate School District (LISD) in southwestern Michigan to build a home on their Adrian, MI campus, and alongside groups of vocational high school students learning the residential construction trades. After a year of design work, the Sustainable Energy Efficient Demonstration (SEED) house took shape as legions of professional contractors worked shoulder to shoulder with students. The house, Roger explained, is a state-of-the-art “permanent classroom” with cut-a-ways to teach not only students about energy efficiency, but consumers, contractors, appraisers, and architects – “anyone who wants to see what the future of energy efficiency looks like.”

SEED House Finished Photo 10x6

To stay true to the mission of providing an education in optimum energy efficiency, it was important to incorporate as many available types of building technology as possible.
Plasti-Fab’s Insulspan® Structural Insulating Panel (SIP) System was selected as a SEED house preferred materials for three key reasons.

SEED House - Adrian MIFirst, innovation. SIPs, he points out, are a product of advancements in building science and “proof Insulspan’s engineers are paying attention and applying that knowledge.” Second, industry leadership. In Roger’s view, this is secured by the fact that walls built with SIPs are energy efficient, durable, and sustainable. Faster to install, too. Students put up the SIP garage walls in considerably less time versus hand-framing.

Finally, with another nod to sustainability, the SEED house needed to be as ‘local’ as possible. Given that the SIP manufacturing facility is about 20 minutes away, “why wouldn’t we partner with an industry leader in our backyard?” The compelling benefits of SIPs were solidified after a day of working with the Insulspan team who showed the students “how to build it right – not just almost right,” says Roger.

Expanding on that idea, Temira Kaser, Director of Digital Marketing for Plasti-Fab said continuously educating audiences about what the product can do is essential. “That means reaching not just the consumers and professionals who walk through the SEED house, but the students who built it – the future of the industry.”

To learn more about Insulspan SIPs visit 

The Top 4 Reasons you should be building with Advantage ICFs

August 2, 2016

Advantage ICFICF interlockInsulating concrete forms are not a new concept to the building industry. However, there are some features that set each manufacturer apart from one another. At Plasti-Fab, we have 4 key features that set the product apart from the rest in the industry, creating a better building product that meets the needs of not only the homeowner but the builders that work with them.

1. Patented Interlock Design
The Advantage ICF Systems patented tongue and groove interlock design on the horizontal joints allows tight nesting of the blocks. The groove on the bottom edge of EPS panels interlocks with the tongue on the top edge of EPS panels making it easier to apply a consistent even bead of foam adhesive in critical areas to interlock the blocks tightly. This eliminates the need for internal metal hooks that
interrupt concrete flow during placement or interfere with internal mechanical vibration essential for proper concrete consolidation as recommended by the Portland Cement Association to avoid voids in ICF walls (see PCA Bulletin RD134 “Concrete Consolidation and Potential for Voids in ICF Wall”).

The Advantage ICF System tongue and groove interlock design provides an additional barrier for moisture migration through the horizontal seams.

2. TTabs for surface attachmentabs to keep attachment surfaces aligned
Advantage ICF System is the only ICF product that features tabs within the horizontal interlock design. Advantage ICF block internal webs tie the monolithic EPS insulation panels in place and provide 1 ½” wide attachment surfaces for your interior and exterior finishes. Tabs incorporated into the tongue on the top edge of the EPS panels slip into grooves on the bottom edge of the row above to keep the webs aligned making attachment of finishes easier and faster.

There are some areas where the tabs may have to be removed due to project specific installation issues. This is done with little effort with the horizontal tongue and groove interlock between blocks maintained. This interlock feature means less waste than reversible ICF Blocks.

3. Easy to find Markings
An embossed line on the exterior surface of EPS pan¬els marks the middle of the 1 ½” wide vertical attachment surfaces on internal webs making it easy to find the surfaces for fastening interior and exterior finishes. All Advantage ICF System blocks are also marked with a vertical recessed cAdvantage ICF Easy to use tabsut line every inch to facilitate cutting blocks to length when required.

“Because this was our first ICF home, it was a bit of an unknown at the beginning. Advantage provided us with on-site support and training and once we got into a bit, everything worked well. I’m very comfortable working with ICFs now, it’s really a breeze—light, clean and easy to handle.”

4. Brick Ledge Block
The Advantage ICF System Brick Ledge Block features a continuous uninterrupted concrete ledge. When brick ledge blocks are included in any ICF system horizontal steel reinforcement and stirrups are required in the concrete ledge portion to support loads. The Advantage ICF Brick Ledge Block features a web unique to the ICF industry that is molded into the EPS panel that forms the brick ledge. Attachment surfaces on internal webs within the EPS panel are consistent to the top of the ledge for easier fastening of required exterior finish materials to, a benefit only provided by the Advantage ICF Brick Ledge Block.

This superiBrickledgeor design of the Advantage ICF Brick Ledge Block allows it to be used to provide uniform support for cladding such as brick or stone and can also be used for support of interior or exterior concrete slabs. All concrete reinforcement is totally encapsulated within the concrete so it is not exposed to moisture which can lead to long term deterioration through corrosion. This is a significant improvement over other ICF designs that use EPS haunches molded into one face of the EPS panel. These haunches are considered structural voids and do not allow the steel reinforcement to be protected from moisture.

An added bonus to building with the Advantage ICF product is the peace of mind you get, knowing it has a GreenGuard GOLD certification status. It’s not only a green product, but the company works to maintain the highest standards of sustainability in product and practice. To learn more about the sustainability initiative, visit

GREENGUARD_UL2818_gold_CMYK_GreenRead more on the Advantage ICF System today!

South Carolina homeowner creates hurricane-resistant home with Advantage ICF System®

July 18, 2016

Advantage ICFAdvantage ICF System®  – Seabrook Island, South Carolina, USA

South Carolina ICFArchitect Bruce Eason of New South Design specializes in classic, old world, custom home design. Many of his designs are also sold as house plans through his company New South Classics. Eason was contacted by a homeowner interested in constructing his popular Seabrook home plan on the southeast coast of Seabrook Island, outside of Charleston, South Carolina.

“We took our Seabrook design, with traditional stick framing, and modified it to withstand the forces of nature as this house was to be built right on the water,” said Eason. “The owner wanted to be sure that they had enough structure to handle the wind and water loads that typical hurricanes with wind and tidal surges could produce, and meet applicable building codes.”

icf blog 02Working with a structural engineer, Eason specified the Advantage ICF System® for the above grade walls. The Advantage ICF System delivers two continuous layers of expanded polystyrene insulation for exceptional energy efficiency, along with the strength and durability of reinforced concrete. Light gauge steel framing was used for the roof and interior walls.

“The Charleston summers are hot and humid,” said Eason. “ICF construction added greatly to the thermal protection for increased efficiency and comfort. The strength of the ICFs combined with the all steel framing is very important in hurricane prone areas. In this area you’ve got wind, water, heat and humidity—ICFs help mitigate all of that.”

Despite the home’s robust structure that is designed to withstand 140 mph winds, it retains the character of an authentic turn-ofthe- century Charleston-style home.

“You can use a new technology like ICFs and finish with a home that looks appropriate in the Charleston Lowcountry,” said Eason. “What’s behind the walls is very different than what you expect. It is very high-tech, energy-efficient, and it enhances the safety and durability of the house.”

icf blog 03“The home provides us with a great example of disaster-resistant and energy-efficient construction using the Advantage ICF System,” said Advantage ICF System Product Manager Greg Doren.

For more information on the strength of ICFs and how to integrate them into your project, visit

Metamorphosis of a Mancave using Insulspan SIPS®

July 5, 2016

Project RenderingSet on 51 acres of pristine land minutes from downtown Ann Arbor, this barn-like 1981 home had few redeeming qualities. The house was a drafty box with lots of brown siding and shingles, little insulation, andmancave in process sub-standard construction – perfect for a man cave but far from perfect for a growing family.

The owners came to Meadowlark for a sleeker, more modern home design. They also wanted to take full advantage of the property’s southern vistas and let the outdoors in. Comfort, resource-efficiency, excellent air quality and durability were also high on their list of must haves.
Meadowlark designed a new contemporary home using Structural Insulated Panels (SIPs) by Insulspan for both wall and roof structures. This building method results in a structure that outperforms conventional stick framed construction both in axial load strength and exceptional insulating properties.

panels in processTo highlight this building technology and the home that has been completely revamped to a whole new style, we invite you to come to the Behind The Drywall® tour to learn more about Insulspan SIPs and other cutting-edge building methods used in this spectacular new home.

This guided tour is free. However, space is limited, so registration is required. For more information and registration, please go to:

About Insulspan
For more than 28 years, Insulspan has led the industry in the development and manufacture of structural insulated panels. In 2007, Insulspan SIPs were named the number one green building product by the editors of Sustainable Industries magazine. In the words of the judges, “Not all SIPs are created equal, and Insulspan is the best.” Still, we’re not resting on our laurels. Insulspan continues to pursue innovation in structural insulated panel fabrication and performance. Learn more at

About Meadowlark Builders
Meadowlark Builders is an award-winning residential design-build construction company. For custom homes, green building or home remodeling, our design and construction teams deliver innovative architectural design, advanced building science techniques and superior craftsmanship. We are based in Ann Arbor and work in communities throughout Southeastern Michigan. From green custom homes to additions, kitchen remodels and whole-home remodels, Meadowlark Builders creates beautiful living spaces that are healthy, comfortable and energy-efficient. Learn more at

EnerSpan M-24: Boosting your R-value with premium NEOPOR insulation

June 14, 2016


EnerSpan M-24: Boosting your R-value with premium insulation

With a lot of EPS products available on the marketing today, Plasti-Fab decided to develop a product that uses graphite in the EPS bead to enhance the performance of the EPS, and pass the benefit on to you. You may be wondering how adding something we usually find in a #2 pencil can give you better insulation. Developed by the chemical company BASF, the graphite expanded polystyrene, known as GPS,  is comprised of many small pockets of air within it’s make-up, containing graphite. The graphite reflects radiant heat energy like a mirror, increasing the material’s resistance to the flow of heat, or R-value. Most polymer-based foams exhibit a greater ability to slow the movement of heat as the temperature decreases. Neopor GPS is in a unique class because it increases in R-value as the temperature outside drops.

EnerSpan™ M-24 insulation by Plasti-Fab is manufactured using Neopor® provided by BASF, a graphite-enhanced (silver-gray in color) raw material,  that reduces radiation heat transfer resulting in higher thermal resistance (R-value) compared to standard CAN/ULC-S701, Type 2 EPS insulation therefore making it a premium product.

The EnerSpan GPS is unique in that is classified as a SMART EPS. This is not just because it is a smart decision when insulating your home, office or commercial building. Read on to see the defined benefits of the Neopor insulation known as EnerSpan.

Stability and Durability
Neopor GPS is adaptable in size, thickness, shape and density, providing maximum flexibility and durability. And, Neopor GPS is stable as it consistently delivers the highest true R-value performance over time.

Neopor GPS is a breathable and semi-permeable high performance insulation that helps reduce the risk of mold, rot and structural damage associated with moisture condensation and long-term water retention.

Adaptable to all climate zones
Neopor GPS powers up when it gets cold outside. Insulating external walls with Neopor GPS increases the temperature of their inside surfaces which helps create a better indoor climate. And, Neopor GPS boards are thinner than others so the same effect is achieved with less material.

Neopor GPS uses up to 30% less material than other rigid foam insulation to achieve the same R-value, saving on building materials and installation labor.

Third-party validated and certified
Neopor GPS earned GREENGUARD Gold Certification and has been referenced by both The Collaborative for High Performance Schools (CHPS) and the Leadership in Energy and Environmental Design (LEED®) Building Rating System

Why use EnerSpan M-24 Insulation: 

EnerSpan M-24 insulation board has an advantage of having all four of its edges shiplapped to ensure continuous insulation coverage. The closed cell structure of EnerSpan M-24 insulation contains only air so the R-value will not deteriorate over time. In addition, the closed cell structure of EnerSpan M-24 insulation resists water absorption so the higher R-value is retained even after direct exposure to water. The enhanced R-value is built to last and won’t deteriorate over time. The use of a graphite-enhanced raw material in the manufacture of EnerSpan M-24 insulation results in a constant R-value of R-4.53 per inch, a distinct premium over standard EPS. For a look at Plasti-Fab’s 100% Lifetime limited thermal warranty, click here.  Other advantages include its versatility and adaptability for different applications as well as its cost-effectiveness to R-value.

EnerSpan M-24 insulation can be used for these following applications:  Exterior Insulating Sheathing, Under Slab Insulation, Foundation Insulation and for Interior Basement Walls in your home. The product has a 100% R-value Warranty and installation methods are applicable as per local building codes..

For more information on Plasti-Fab’s EnerSpan M-24 insulation, click here. | |