DuPont™ Styrofoam™ Brand Plazamate™ XPS Insulation

Sturdy, Moisture-Resistant Insulation for Commercial Plaza Decks U.S. HFC Regulation Compliant Formulation

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DuPont™ Styrofoam™ Brand Plazamate™ XPS Insulation

Sturdy, Moisture-Resistant Insulation for Commercial Plaza Decks U.S. HFC Regulation Compliant Formulation

<br><b>DuPont™ Styrofoam™ Brand Plazamate™ Extruded Polystyrene (XPS) Insulation</b> is designed for use in commercial plaza deck applications above waterproofing membranes. It helps maintain a stable roof membrane temperature, reducing the negative effects of freeze-thaw cycles, weathering, and physical damage, both during and after construction. This insulation is a moisture-resistant, sturdy option for commercial plaza decks and is U.S. HFC Regulation Compliant.
 
 
 
 
 
 

Features & Benefits 

 
 
 
 
 
 

Specifications

 
 
 

Standard Sizes

Thickness Width Length R-Value Edge Treatment
2 in. 2 ft. 8 ft. 10 Square Edge
3 in. 2 ft. 8 ft. 15 Square Edge
 
 
 

Testing

<b>Styrofoam™ Brand Plazamate™ XPS Insulation</b> exhibits the properties and characteristics indicated in the table below when tested as represented. Review all instructions and (Material) Safety Data Sheet ((M)SDS) before use. Please contact DuPont at 1-833-338-7668 when additional guidance is required for writing specifications that include this product.

TEST METHOD TEST TITLE PROPERTY RESULTS
FIRE
UL 723 Test Method for Surface Burning Characteristics of Building Materials Surface Burning Characteristics Flame Spread ≤ 25
Smoke Developed ≤ 450
THERMAL
ASTM C518 Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus Thermal Resistance per inch @ 75°F mean temp1 5.0 ft2
•h•°F/Btu, R-value, min.
ASTM D696 Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics Between −30°C and + 30°C with a Vitreous Silica Dilatometer Coefficient of Linear Thermal Expansion 3.5 x 10-5
in/in•°F
ASTM D2126 Standard Test Method for Response of Rigid Cellular Plastics to Thermal and Humid Aging Change in Dimensions 2.0 % change, max.
STRENGTH
ASTM D1621 Standard Test Method for Compressive Properties of Rigid Cellular Plastics Compressive Strength2 60 psi, min.
ASTM C203 Standard Test Methods for Breaking Load and Flexural Properties of Block-Type Thermal Insulation Flexural Strength 75 psi, min
WATER
ASTM C272 Standard Test Method for Water Absorption of Core Materials for Sandwich Construction Water Absorption 0.1 % by volume, max.
ASTM E96 Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials Water Vapor Permeance3 0.8 perm, max.

1Values are consistent with the criteria of ASTM C578 and the requirements of the FTC R-value rule (16 CFR Part 460). R means resistance to heat flow. The higher the R-value, the greater the insulating power.

2Vertical compressive strength is measured at 10 percent deformation or at yield, whichever occurs first. Since Styrofoam™ Brand Extruded Polystyrene Foam Insulations are visco-elastic materials, adequate design safety factors should be used to prevent long-term creep and fatigue deformation.

3Based on 1” thickness.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

FAQ

What are the ballast requirements for perimeter areas or penetrations in Protected Membrane Roof (PMR) assemblies?
'

Certain areas of the protected membrane roof (PMR) insulation require additional ballast to overcome high wind loads and to restrain the foam from floating during heavy rain storms. This ensures that individual stones cannot migrate to below the foam and abrade the membrane. Areas needing such additional ballasting are:

 
 
 
 
 
 

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