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FOAMULAR XPS INSULATIONPHYSICAL PROPERTIESFOAMULAR XPS INSULATION PHYSICAL PROPERTIES1TESTMETHOD2FOAMULAR THERMAPINK 18FOAMULAR THERMAPINK 25DURAPINK FOAMULAR 404/404RBTAPERED 400FOAMULAR 604/604RBTAPERED 600Thermal Resistance3, R-Value (180 day), minimumhr ft2 F/Btu (RSI, m2 C/W)ASTM C518R-5/inchR-5/inchR-5/inchR-5/inchCompressive Strength4, minimumpsi (kPa)ASTM D162118 (124)25 (172)40 (276)60 (414)Flexural Strength5, minimum, psi (kPa)ASTM C20360 (414)75 (517)115 (793)115 (793)Water Absorption6, maximum, % by volumeASTM C2720.10.10.050.05Water Vapor Permeance7, maximum perm(ng/Pa s m2)ASTM E961.5 (86)1.5 (86)1.1 (63)1.1 (63)2.0Dimensional Stability, maximum, % linear changeASTM D21262.02.02.0Flame Spread8,9ASTM E845555Smoke Developed8,9,10ASTM E8445-17545-17545-17545-175ASTM D286324242424Oxygen Index8, minimum, % by volumeService Temperature, maximum, F ( C)—165 (74)165 (74)165 (74)165 (74)Linear Coefficient of Thermal Expansion,in/in/ F (m/m/ C)ASTM E2283.5 x 10-5 (6.3x10-5)3.5 x 10-5 (6.3x10-5)3.5 x 10-5 (6.3x10-5)3.5 x 10 -5 (6.3x10-5)Type ClassificationsASTM C578Type XType IVType VIType VII1.2.3.Properties shown are representative values for 1" thick material, unless otherwise specified. Testing modified as needed for products less than ½" thickness.Modified as required to meet ASTM C578.R means the resistance to heat flow; the higher the value, the greater the insulation power. This insulation must be installed properly to get the marked R-value. Follow themanufacturer’s instructions carefully. If a manufacturer’s fact sheet is not provided with the material shipment, request this and review it carefully. R-values vary dependingon many factors including the mean temperature at which the test is conducted, and the age of the sample at the time of testing. The R-value for FOAMULAR XPSinsulation is provided from testing at two mean temperatures, 40ºF and 75ºF, and 180 day real-time aged (as mandated by ASTM C578). The R-value at 180 day real-timeage and 75ºF mean temperature is commonly used to compare products and is the value printed on the product.4. Values at yield or 10% deflection, whichever occurs first. Testing modified as needed for products less than ½" thickness.5. Value at yield or 5%, whichever occurs first.6. Data ranges from 0.00 to value shown due to the level of precision of the test method.7. Water vapor permeance decreases as thickness increases.8. These laboratory tests are not intended to describe the hazards presented by this material under actual fire conditions.9. Data from Underwriters Laboratories Inc. classified. See Classification Certificate U-197.10. Smoke developed is thickness-dependent, therefore a range of values is given.FOAMULAR XPS ROOF INSULATION FOR COMMERCIAL BUILDINGSPAGE 7

FOAMULAR XPS INSULATIONPRODUCT SIZE AVAILABILITYREFER TO CURRENT PRODUCT PACKAGING GUIDE FOR MINIMUM ORDER QUANTITIES AND LEAD TIME.PRODUCT DIMENSIONSTHICKNESSTHICKNESS (IN) X WIDTH (IN) X LENGTH (IN)FOAMULAR 404/404 RIBBED INSULATION2"2 x 24 x 963"3 x 24 x 96Ribbed 2"2 x 24 x 96Ribbed 3"3 x 24 x 96FOAMULAR 604/604 RIBBED INSULATION1½"1.5 x 24 x 962"2 x 24 x 963"3 x 24 x 96Ribbed 1½"1.5 x 24 x 96Ribbed 2"2 x 24 x 96Ribbed 3"3 x 24 x 96DURAPINK INSULATION½"½ x 48 x 961"1 x 48 x 96THERMAPINK 18 INSULATION (special order)1"1 x 48 x 961½"1.5 x 48 x 962"2 x 48 x 963"3 x 48 x 964"4 x 48 x 96THERMAPINK 25 INSULATION1"1 x 48 x 961½"1.5 x 48 x 962"2 x 48 x 963"3 x 48 x 964"4 x 48 x 96THERMAPINK 25 TAPER INSULATION1 8 slope A0.5-0.75 x 24 x 961 8 slope B0.75-1 x 24 x 961 8 slope C1-1.25 x 24 x 961 8 slope D1.25-1.5 x 24 x 96¼ slope E0.5-1 x 24 x 96¼ slope F1-1.5 x 24 x 96½ slope G0.5-1.5 x 24 x 96FOAMULAR 400 TAPER INSULATION¼ slope E0.5-1 x 24 x 96¼ slope F1-1.5 x 24 x 96½ slope G0.5-1.5 x 24 x 96FOAMULAR 600 TAPER INSULATION1 8 slope A0.5-.75 x 24 x 961 8 slope B0.75-1 x 24 x 961 8 slope C1-1.25 x 24 x 961 8 slope D1.25-1.5 x 24 x 96¼ slope E0.5-1 x 24 x 96¼ slope F1-1.5 x 24 x 96½ slope G0.5-1.5 x 24 x 96PALLET (UNIT) DIMENSIONS (TYPICAL)WIDTH (FT) X LENGTH (FT) X HEIGHT (FT)SQUARE FEETPER PALLETBOARD FEETPER PALLETBUNDLESPER PALLETPIECES PERBUNDLEPIECES xxx8888888All products described here may not be available in all geographic markets. Consult your local sales office representative for more information.PAGE 81-800-GET-PINK www.owenscorning.com

FOAMULAR XPS FOAM INSULATIONLOW SLOPE SINGLE PLY INSULATED ROOF SYSTEMSSINGLE-PLY ROOFING SYSTEMSSingle-ply roofing membranes are flexible sheets of compounded syntheticmaterials that are manufactured in a factory. Single ply roof systemsprovide strength, flexibility, durability and installation speed. The inherentadvantages of single-ply systems is the consistency of the quality of the plantmanufactured membrane, and the versatility of product types, installationand attachment methods, all resulting in broader system appeal. Single-plysystems are different than another common category of roofing knownas BUR (built up roofs), which utilize alternating layers of hot asphalt andreinforcing fabrics to construct a roof in place.LOW SLOPE SINGLE-PLY ABOVE DECK ROOF INSULATIONFOAMULAR THERMAPINK XPS RIGID INSULATIONFOAMULAR THERMAPINK XPS insulation is an excellent insulationchoice for single-ply roofing systems. THERMAPINK XPS insulation, witha variety of compressive strengths, high resistance to water absorption,and a stable long term R-value of 5 per inch, is an excellent insulation layerfor use below single-ply membrane roofing systems. Membrane systemsvary in color and chemical composition, and may be mechanically attached,loose laid/ ballasted or fully adhered. Depending on the type of systemspecified, cover boards or slip sheets may be required over FOAMULAR THERMAPINK XPS insulation. Single-ply systems with THERMAPINK XPS insulation have a wide variety of UL and FM performance ratings forfire and wind resistance including ASTM E108 Class A, FM 4450 Class I,UL 1256 direct to steel deck with no thermal barrier layer, and, 90 psf andhigher wind classifications.System with Cover BoardSee pages 7 and 8 for FOAMULAR THERMAPINK insulation physicalproperties and size availability.System with Fire Resistant SlipsheetFOAMULAR XPS ROOF INSULATION FOR COMMERCIAL BUILDINGSPAGE 9

FOAMULAR XPS FOAM INSULATIONPRMA, VEGETATIVE AND PLAZA DECK INSULATED ROOF SYSTEMSPRMA, VEGETATIVE AND PLAZA DECK WATERPROOFINGProtected roof membrane assemblies (PRMA) provide high value and longterm durability on long life cycle buildings. PRMA roofs range in functionfrom infrequently accessed stone ballasted systems, to paver/plaza deckwalking surfaces, to fully landscaped vegetative roof gardens. PRMA extendsthe life of roofing components and reduces building maintenance costsby eliminating UV exposure and minimizing thermal cycling. Vegetativeroofs are gaining widespread acceptance due to the practical, financial,and environmental benefi ts they provide. In addition to creating moreusable landscaped space in the form of rooftop terraces, walkways, plazasand gardens, a well insulated PRMA vegetative roof assembly improvesenergy efficiency and reduces heating and cooling costs. In some instances,vegetative roofs receive financial funding incentives from governmentagencies responsible for reducing environmental impact. Vegetative roofsprovide a number of important environmental benefi ts such as reducingstorm water runoff and sewer fees, helping keep contaminants out of lakesand streams, reducing the urban heat island effect, and improving air qualityby converting carbon dioxide to oxygen.PRMA, VEGETATIVE AND PLAZA DECK ABOVE DECKROOF INSULATIONFOAMULAR XPS INSULATION FOR PRMAFOAMULAR XPS insulation products 404, 604, 404RB and 604RBare used in PRMA applications. FOAMULAR XPS insulation is the onlyinsulation used in PRMA roof systems due to its excellent resistance towater absorption compared to any other type of rigid board insulation.Since the insulation is installed above the waterproofing membrane andis exposed to water through its service life, resistance to water whilemaintaining physical properties is critical. FOAMULAR 404 and 604insulations have channels cut into the bottom edges on all four sides of theboard to enhance drainage at the board/membrane interface. FOAMULAR 404RB and 604RB insulations have ribs cut into the top surface of theboard in addition to the channels on the bottom. The ribs serve as drainageenhancement under pavers when the pavers are laid directly on top of thefoam board.Vegetated Waterproofing SystemSee pages 7 and 8 for 404, 604, 404RB and 604RB insulation physicalproperties and size availability.Plaza Deck/Paver Waterproofing SystemStone Ballasted Waterproofing SystemPAGE 101-800-GET-PINK www.owenscorning.com

FOAMULAR XPS FOAM INSULATIONRECOVER ROOFING INSULATED ROOF SYSTEMSRECOVER SINGLE-PLY ROOFING SYSTEMSWhen an existing BUR reaches the end of its service life and it must bereplaced, a decision must be made to either: 1) completely remove theexisting BUR/insulation and replace it with another system or 2) “recover”the existing BUR with a new FOAMULAR DURAPINK XPS insulationlayer and single-ply membrane roofing system.The first option, total tear off, requires the cost of time and labor toremove the old system, haul and dispose of the waste in a landfill, andcompletely replace the system with new insulation/membrane from thedeck up. The second option, “recover,” salvages the existing system andits insulation layers by placing a new layer of insulation and membrane ontop of the existing BUR, avoiding the time, labor and landfill costs requiredto dispose of a torn off system. Recover systems save time and moneyby avoiding tear off and landfill costs, while salvaging the useful R-valueof existing insulation layers by keeping them on the roof. However, notevery roof is a candidate for recover. Before choosing recover, it mustbe verified that the existing roof deck is structurally sound, and that theexisting insulation layers are dry, or capable of drying after recover roofingis complete.RECOVER ROOF INSULATIONINSULATIONRecover roofing systems are typically factory produced single-ply roofingmembranes that provide strength, flexibility, durability and installationspeed. They are usually mechanically attached to avoid additional weight onthe existing structure from ballast or cover boards in fully adhered systems.FOAMULAR DURAPINK XPS RIGID INSULATIONFOAMULAR DURAPINK XPS insulation is an excellent insulation choicefor recover single-ply roofing systems. Unlike wood fiberboard often usedfor recover, DURAPINK XPS insulation has high resistance to waterabsorption, maintaining all of its insulation and strength properties while anylatent water that may be in the old system dissipates. DURAPINK recoverinsulation systems have a wide variety of UL and FM performance ratingsfor fire and wind resistance including ASTM E108 Class A and wind upliftresistance classifications.See pages 7 and 8 for FOAMULAR DURAPINK insulation physicalproperties and size availability.FOAMULAR XPS ROOF INSULATION FOR COMMERCIAL BUILDINGSPAGE 11

FOAMULAR XPS FOAM INSULATIONARCHITECTURAL METAL INSULATED ROOF SYSTEMSARCHITECTURAL METAL ROOFING SYSTEMSThe exceptional performance of architectural metal roofing makes it oneof the most specified products in commercial roofing. Architectural metalroofing systems are energy efficient with various levels of solar reflectanceand emittance depending on the heating or cooling needs of a given climate.Metal roofs are recyclable, lightweight and easy to install. They provideprotection against extreme weather conditions. With strong corrosionresistance they also offer long lasting durability. Metal roofs are aestheticallypleasing, versatile and cost efficient throughout their life cycle. They comein many colors and seam profiles including standing seam, curved, exposedfastener, concealed fastener, suitable for many applications including newand retrofi t projects and any type of commercial or residential projects.ARCHITECTURAL METAL ROOFING SYSTEMFOAMULAR THERMAPINK 25XPS INSULATIONFOAMULAR THERMAPINK XPS RIGID INSULATIONFOAMULAR THERMAPINK XPS insulation is strong, lightweight andeasily cut making it an excellent insulation choice for architectural metalroofing systems. THERMAPINK 25 insulation has a 25 psi compressivestrength that is strong enough to hold the retention clips used to securethe metal roofing system. Bearing plates under the clips sit into the surfaceof the insulation as they are tightened. No adhered facer means no extralabor needed to trim the surface to achieve proper seating.THERMAPINK XPS insulation has high resistance to water absorption,and a stable long-term R-value of 5 per inch. Since FOAMULAR THERMAPINK XPS insulation is highly water resistant it is easier tostage on job sites than products like polyisocyanurate and EPS that aremore moisture sensitive and subject to restrictive storage and warrantyrules. Also, with moderate perm ratings and high, long-lasting R-value,THERMAPINK insulation layers with sealed joints help limit the formationof condensation under metal roofing and help drain it away when it forms.Sealed joints and high water resistance also makes THERMAPINK XPSinsulation a temporary water shed while the job is awaiting final installationof the metal roof covering.See pages 7 and 8 for FOAMULAR THERMAPINK insulation physicalproperties and size availability.PAGE 121-800-GET-PINK www.owenscorning.com

FOAMULAR XPS FOAM INSULATIONTAPERED ROOFING INSULATION SYSTEMSKEY FEATURES Owens Corning FOAMULAR XPS tapered roofing insulation productsprovide performance and value in low slope roofing systems and aredesigned to be used over structural roof decks. THERMAPINK taperedroof insulation provides a thermally efficient, moisture-resistant positivedrainage slope for use under single-ply or other types of roofing systems. FOAMULAR tapered roof insulation products are available in threetypes. Tapered THERMAPINK 25 (ASTM C578 Type IV) insulationis the most commonly used tapered product, but for applications thatrequire higher compressive strengths, tapered FOAMULAR 400(ASTM C578 Type VI) and tapered FOAMULAR 600 (ASTM Type VII)insulations are available. Owens Corning provides tapered roofing design services with detailedtapered layouts and material quantities to describe how the insulationis to be installed. See your Commercial Area Sales Representative torequest tapered roofing services or call 1-800-GET-TECH. See the FOAMULAR Tapered Roof Insulation Product Data Sheet formore details.TYPICAL TAPERED ROOFING LAYOUTS AND R-VALUESCricket and saddle material are included in the design package for fieldfabrication.ASSHS1. Two-Directional Taper SystemUtilizes tapered panels installed intwo directions, accompanied withsaddles (“S”) between the drains,and half saddles (“HS”) betweendrains and outside walls. Thesaddles assist in directing the waterflow to the drains.Utilizes four tapered panel sizes, A, B, C and D panel“A” (½"-¾"), “B” (¾"-1"), “C” (1"-1¼"), “D” (1¼"-1½"), 2'x8'Typical “V” PanelHSTypical Tapered Roofing Section, 1 8" per foot slopeABCDC0'2'4'6'8'Insulationthickness½"¾"1"1 ¼"1 ½"D1" Fill10'12'1 ¾"14'2"16'2 ¼"2 ½"(Dimensions are not to scale)2. Modified Two-Directional TaperSystemUtilizes tapered panels installedprimarily in two directions withsaddle (“S”) placed between thedrains; however, two of the foursides utilize mitered valleys. Thissystem is desirable when a constantthickness of insulation is required atthe outside perimeter of the roof.Typical Tapered Roofing Section, ¼” per foot slopeEUtilizes two tapered panel sizes, E and F panelE“E” (½"-1"), “F” (1"-1½"), ½"12'14'3"3½"4"GGGGGGDistancefrom drainGutter4½"GUtilizes one tapered panel size, G panel4. Four-Directional TaperSystem—Perimeter DrainageUtilizes a four-way taper systemdirecting the water flow to theoutside perimeter. This systemmay be selected when gutters areemployed rather than roof drains.Desired drainage is obtained withthe creation of hip miters.16'GGutterGutter2" Fill10'(Dimensions are not to scale)“G” (½" – 1½"), 2'x8'FOAMULAR XPS ROOF INSULATION FOR COMMERCIAL BUILDINGS2" Fill1" FillDistancefrom drainF1" FillFTypical Tapered Roofing Section, ½" per foot slopeGutter3. Four-Directional Taper SystemThis system utilizes tapered panelsinstalled in four different directions.Mitered valleys lead to drains.B1" FillDistancefrom drain0'2" Fill2" Fill2" Fill1" Fill2'2" Fill1" Fill2" Fill1" Fill1" Fill2" Distance from drainInsulationthickness½"1½"(Dimensions are not to scale) THERMAPINK board is only available in a 4’x8’ size. Some boards may need to be field cut to complete the 2’ wide fill requirements.SYSTEM AVERAGE R-VALUEDISTANCE FROM DRAINAverage R-value11 8" slope¼" slope½" 15.0027.501. Average R-value @ 75 F (24 C) mean temperaturePAGE 13

KEY DIFFERENCES BETWEEN XPS AND OTHER RIGID FOAM INSULATIONSThe FOAMULAR insulation manufacturing process provides closed cellfoam with uniform cells and continuous walls. The cell walls are comprisedof hydrophobic (does not bond with water) polystyrene polymer, whichresults in a very low rate of water absorption compared to other types offoam plastic insulation.FIGURE 1—WATER ABSORPTION, XPS VS. POLYISO3.53.02.5% VolumeThe greatest attribute of FOAMULAR XPS insulation is its ability to retainR-value and compressive strength even when exposed to water. Insulationproducts that absorb water lose R-value and structural integrity. Water is agood conductor of energy, so if insulation is water soaked, R-value is lost.2.01.5Published properties for different types of insulation are not always directlycomparable because different test methods may be used to measure thesame properties. If different methods are used to measure performance,identify the differences. They may be significant.1.00.5For example, the material standard that defines properties for all XPSand EPS is ASTM C578.1 It requires that polystyrene insulation be testedfor water absorption in accordance with ASTM C272. 2 C272 requiresthe polystyrene sample to be immersed in water for 24 hours, andweighed immediately upon removal from immersion to determine theamount of absorbed water. The material standard for polyisocyanurate isASTM C1289.3 It requires that polyiso be test

FOAMULAR XPS ROOF INSULATION FOR COMMERCIAL BUILDINGS PAGE 5 FOAMULAR XPS ROOF INSULATION FOR COMMERCIAL BUILDINGS FOAMULAR XPS insulation is a rigid foam insulation which meets the needs of today's design professionals for a truly sustainable insulation product. Owens Corning insulation products help improve thermal performance and control moisture in commercial, institutional and .