Why Not Tapered EPS?

 

By: Nick Harvill, Sales Representative

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I recently had an Architect ask me why should they use Foam-Control® PLUS+® Tapered EPS to slope their roofs rather than Polyiso?  My answer was, “Why wouldn’t you use EPS?”

It has been proven by multiple agencies that Polyiso does not meet its published R-Value and the In-Service R-value of Polyiso is actually between 4.6 and 5.0, at 40 degrees mean temperature, even when it is new.  Tapered Foam-Control® PLUS+® 150 is R- 4.6 and Foam-Control® 130 is R- 4.3 per inch.

Tapered EPS can be installed in one layer, eliminating hundreds of squares of application and gluing.  It can be installed over a base layer of EPS roof insulation or Polyiso and a cover board on top.  A three layer system.

The main purpose of the tapered insulation is to provide slope.  Tapered roofing insulation can do that for 30% or more reduced cost per unit compared to Polyiso.  EPS has the lowest cost per R-value of any rigid insulation.

Since the R-value of tapered EPS roof insulation is actually very close to that of Polyiso’s in-service R-value, the R-value tradeoff is minimal or none.  So there really is no advantage to using Polyiso for the tapered layer and it costs more.

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Updated: DuraTherm Packaging® OEM Tech Data

By: Greg Aron, Regional Sales Manager

DuraTherm Tech Data_Page_1Have you ever lay awake at night pondering the coefficient of thermal contraction for EPS?  Perhaps you may have wondered how much moisture your DuraTherm® cooler would absorb if submerged for 24 hrs?  Fear no more troubled soul!  The newly updated DuraTherm® Packaging and OEM Tech Data contains all the answers (and them some) to satisfy your inquisitive mind.

OK…we’re not all geeks of science.  However, if you are a professional tasked with engineering the world’s #1 lightweight, energy efficient, and environmentally friendly rigid insulation into your application, look no further.  ACH Foam Technologies has you covered in a 2 page easy to read DuraTherm® Tech Data bulletin covering everything from elastic modulus to compressive resistance at 1% deformation, and thermal conductivity/resistance.  Please visit our website to learn more: www.achfoam.com.

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EPS Transforms Interactive Playspaces

By: Greg Gibson, EPS Sales Specialist

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We all know about the many applications of EPS insulation in the construction fields, commercial, residential, and industrial. We see it used as a very economical insulation delivering a stable R-value on roofs, walls, above and below grade applications. It is used in external insulation finish systems (EIFS) for both walls and architectural shapes and garage door insulation. We even see it used as substrate in place of dirt and backfill (Geofoam). Beyond insulation, EPS is used in packaging such as insulated shipping containers and protective packaging.

An EPS OEM application that many may not be aware of is the use as a structural cavity fill for children’s playground sculptures. Inside that Bug’s Bunny and colorful climbable cartoon tortoise lies EPS.

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Playtime Creations in Denver, CO buys EPS blocks and artistically transforms them into works of art and entertainment worldwide. The artists carve, cut, and sand the EPS into the desired shape, then coat it with a durable outer layer that is painted. Every time I stop by their office it is absolutely fascinating to see what their artists are creating and carving in their quest to turn someone’s ideas into Playtime Creations.

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Learn How It’s Made in Person with a Plant Tour

By: Joe Kurz, Packaging Specialist

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In my free time, I enjoy visiting breweries and wineries. It is enjoyable to sample products that are the result of knowledge, effort and experience by enthusiastic individuals producing these liquid refreshments. Often, a tour of the facility is offered to give us a basis of what it takes to produce the product.

At ACH Foam Technologies, we encourage all of our customers and their staff to take an hour or two out of their week and visit us for a tour of our manufacturing facility. All of our locations nationwide can accommodate these informative visits. You will see, in detail, the entire process of how EPS is formed into many of the everyday products you use. A plant tour is far better than watching an episode of “How It’s Made” on television and give you a better understanding of the knowledge, effort and experience it takes to produce these products used in insulation, geotechnical, packaging, and OEM applications.

Contact us to book a plant tour at one of our nationwide locations.

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Flute Fillers are Roof Insulation

By: Jim Nugent, Regional Sales Manager

Walgreen's Distribution Center, Windsor, WI

Walgreen’s Distribution Center, Windsor, WI

Foam-Control® and Foam-Control® Plus+® roof insulation can be used in a variety of roof assemblies. Fully adhered, mechanically attached membranes. Also green roofs, inverted roofs, protected membranes and many others. Foam-Control® and Foam-Control® Plus+® is available in flat, tapered, fan fold, and as composite insulation with a fiberglass facer. One of the most common uses of Foam-Control® and Foam-Control® Plus+® roof insulation is filling flutes when re-roofing a metal roof, commonly known, the product is know as Flute Filler.

Because the EPS industry can offer Flute Filler in a wide range of sizes, material types, and configurations, EPS is the preferred material for this application, although polyiso is also used in this application.

The EPS industry is known to be able to produce material types with high recycled content that do not meet the code requirements for roof insulation, but can be used in industrial applications for packaging and dunnage. Some may consider Flute Filler a dunnage material to level a metal roof to receive a new roof, but make no mistake about it Flute Filler is a roof insulation and needs to meet code requirements.

1,175,625 Board Feet of Foam-Control® PLUS+® 250 Angle Cut EPS Flute Filler Roof Insulation.  Walgreen's Distribution Center.

1,175,625 Board Feet of Foam-Control® PLUS+® 250 Angle Cut EPS Flute Filler Roof Insulation. Walgreen’s Distribution Center.

The International Building Core requires that EPS roof insulation used above the deck (including metal roofs) must meet the physical properties of ASTM C-578 and must be labeled as such. EPS products with high recycled content may not meet all the physical properties of ASTM C-578. These high recycled content products may even have a UL label and be the right density but it will not meet the code.

At ACH Foam all our Foam-Control® and Foam-Control® Plus+® and Polar® products, including flute fillers, fully meet ASTM C-578 and fully meet the code requirements for roof insulation. For the roofing industry professionals reading this post, the next time you request pricing for EPS Flute Fillers you may want your supplier to provide documentation that their flute fillers meet ASTM C-578 and have the independent third party documentation to support that they are code compliant.

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