Insulfoam Introduces Branding for Full Line of EPS Insulation Products

To help design professionals, builders, homeowners and other customers more quickly find the insulation products they need, Insulfoam insulation offerings, including R-Tech insulations, are now categorized under the brand names InsulRoof, InsulWall and InsulGrade.

To help design professionals, builders, homeowners and other customers more quickly find the insulation products they need, Insulfoam insulation offerings, including R-Tech insulations, are now categorized under the brand names InsulRoof, InsulWall and InsulGrade.

Insulfoam, a manufacturer of block-molded expanded polystyrene (EPS), introduces branding for its full line of EPS insulation products. To help design professionals, builders, homeowners and other customers more quickly find the insulation products they need, Insulfoam insulation offerings, including R-Tech insulations, are now categorized under the brand names InsulRoof, InsulWall and InsulGrade.

“EPS is the only insulation you can use anywhere in the building envelope; at Insulfoam we offer specialized EPS products for use in roofs, walls, below grade and beyond,” says Ram Mayilvahanan, director of marketing for Insulfoam. “With such a huge product offering, this new branding helps our customers quickly find the right products to use among our numerous options. So, if you’re a roofer, you’ll look at the InsulRoof line to find your products, and don’t need to see InsulGrade below-grade options that aren’t applicable to current project needs.”

In conjunction with the new branding, Insulfoam has also revamped its website. The Insulfoam website now offers simple navigation to the major building categories: commercial and residential, with the InsulRoof, InsulWall and InsulGrade product groups clearly marked. The residential tab provides homeowners with home insulating tips for key areas, including energy saving tips for the house in basements and garage doors. Customers can also easily find on the new website Insulfoam’s other EPS offerings, including geofoam lightweight fill and EPS for cold storage buildings, flotation, packaging and architectural shapes.

Insulfoam EPS is 100 percent recyclable and offers a high R-Value per dollar. The features and benefits of InsulRoof, InsulWall and InsulGrade insulations are:

    InsulRoof

  • A wide range of faced, laminated and standard high-performance EPS insulation products for use on virtually any type of roof deck in new construction and reroofing applications.
  • Available in cost-saving applications including fanfold panel bundles, flute fill and tapered insulation.
  • Wide range of compressive strengths to help reduce insulation material costs.
  • Versatile to adapt to various roof shapes and roofing assemblies.
  • Products carry UL and FM labels.
    InsulWall

  • Full range of EPS insulation for use throughout walls, including cavity walls, on the interior faces of foundation walls, as exterior sheathing (including tongue-and-groove sheathing under stucco), gable ends, and as part of exterior insulation finishing systems (EIFS).
  • Insulfoam’s Total Wall System is one of the few insulated systems on the market that integrates weather resistant barrier (WRB).
  • Insulfoam EPS qualifies for several NFPA 285 compliant assemblies.
    InsulGrade

  • Full range of EPS products for use on foundation walls and under concrete floor slabs.
  • EPS outperforms extruded polystyrene (XPS) insulations in these applications due to EPS’s stable long-term R-value and moisture performance (it dries quickly and has minimal long-term moisture retention), and is lower cost.
  • Seven standard compressive strengths allow for more cost-effective specification without over-engineering the insulation under slabs.

Insulation Types, Application Methods and Physical Characteristics Must Be Reviewed, Understood and Selected to Ensure Roof System Performance

Designing and constructing roof systems (see my previous articles about roof decks, substrate boards and vapor barriers) continues with the thermal insulation layer. The governing building codes will dictate the minimum R-value required and, based on the R-value of the selected insulation, the thickness of required insulation can be determined. This plays into the design of the roof edge, which will be the subject of future articles. For now, let’s focus on insulation.

Photo 1: Polyisocyanurate (ISO) with organic facers

Photo 1: Polyisocyanurate
(ISO) with organic facers

Thermal insulation has multiple purposes, including to:

    ▪▪ Provide an appropriate surface on which the roof cover can be placed.
    ▪▪ Assist in providing interior user comfort.
    ▪▪ Assist in uplift performance of the roof system.
    ▪▪ Provide support for rooftop activities.
    ▪▪ Keep the cool air in during the summer and out during the winter, resulting in energy savings.

INSULATION OPTIONS

For the designer, there are numerous insulation material choices, each with its own positive and negative characteristics. Today’s insulation options are:

    ▪▪ Polyisocyanurate (ISO)

  • »» Varying densities
  • »» Organic facers (see photos 1 and 2)
  • »» Double-coated fiberglass facers (see photo 3)
  • ▪▪ Expanded polystyrene (XPS) (see photo 4)

  • »» Varying densities
  • ▪▪ Extruded polystyrene (EPS) (see photo 5)

  • »» Varying densities
  • ▪▪ Mineral wool (see photo 6)

  • »» Varying densities
  • ▪▪ Perlite
    ▪▪ High-density wood fiber

With today’s codes, the use of perlite and high-density wood fiber as primary roof insulation is very limited. The R-value per inch and overall cost is prohibitive.

Some attributes of the more commonly used insulation types are:
POLYISOCYANURATE

Photo 2: Polyisocyanurate (ISO) with organic facers

Photo 2: Polyisocyanurate
(ISO) with organic facers

    ▪▪ Predominate roof insulation in the market
    ▪▪ Organic and double-coated fiberglass facers (mold-resistant)
    ▪▪ Varying densities available: 18 to 25 psi, nominal and minimum, as well as 80 to 125 psi high-density cover boards
    ▪▪ Has an allowable dimensional change, per the ASTM standard, that needs to be understood and designed for
    ▪▪ Can be secured via mechanical fasteners or installed in hot asphalt and/or polyurethane foam adhesive: bead and full-coverage spray foam
    ▪▪ Has an R-value just under 6.0 per inch but has some downward drifting over time

EXPANDED POLYSTYRENE (EPS)

    ▪▪ Has good moisture resistance but can accumulate moisture
    ▪▪ Direct application to steel decks is often a concern with fire resistance
    ▪▪ Has varying densities: 1.0 to 3.0 pound per cubic foot
    ▪▪ Very difficult to install in hot asphalt; basically not appropriate
    ▪▪ Certain products can be secured with mechanical fasteners or lowrise foam adhesive
    ▪▪ Has stable R-values: 3.1 to 4.3 per inch based upon classification type

EXTRUDED POLYSTYRENE (XPS)

    ▪▪ Has good moisture resistance and is often used in protected roof membrane systems and plaza deck applications
    ▪▪ Direct application to steel decks is often a concern with fire resistance
    ▪▪ Has varying compressive strengths: 20 to 100 psi
    ▪▪ Not appropriate to be installed in hot asphalt
    ▪▪ Has stable R-values: 3.9 to 5 per inch based on classification type

MINERAL WOOL

    ▪▪ Outstanding fire resistance
    ▪▪ Stable thermal R-value: 4.0 per inch
    ▪▪ No dimensional change in thickness or width over time
    ▪▪ Available in differing densities
    ▪▪ May absorb and release moisture
    ▪▪ Can be installed in hot asphalt or mechanically attached

PHOTOS: HUTCHINSON DESIGN GROUP LTD.

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