Technical Specifications

Ice & Water 216
Granular Shingle Underlayment
Ice & Water
216
Granular Shingle Underlayment
Ice & Water 1
00
Granular Shingle Underlayment
Ice & Water 200
Granular Shingle Underlayment
AtlasRoofing.com
MIAMI-DADE
APPROVED
Features:
•SBS-modiedasphaltcoatinghelpssealaroundnailsfora
 watertightresult
•Self-adhesivebackingsealsdirectlytothedeck
•Dual-modiedasphaltprovidessuperiorgranuleadhesion
•Fiberglassmatisstrongerandprovidesbettertear
 resistancethansaturatedfelt
•Aggressivebondatlowtemperatures,45°Fmin
•55-milthickness,38%aboveindustryrequirement
•Non-peelselvageedge
•High-temperaturestability–240°F
•UVprotectedsurface–45-dayexposure
Benets:
•Providessecondarywaterbarrier.
•2xmoreadhesionthanindustrystandard.
•Extraroongprotectionforvulnerableareas.Usefor
 valleys,eaves,ashings,hips,ridges,andrakes,andaround
 dormersandskylights.
•Canbeusedinnewconstructionorinreroong
 requiringacompletetear-o.
•Providesextraprotectionunderanytypeofroong:
 tile,woodshake,asphalt,slate,ormetal.
•Helpsextendthelifeofaroofsystem.
Codes & Compliances
•UnderwritersLaboratoriesClassAandClassCFireRating
 (basedonroofcovering)
•ASTMD1970,StandardIceDamUnderlayment
•FloridaBuildingCodeApproved-FL17322
•Miami-DadeCountyProductControlApproved
Technical Data
Dimensions
Product Roll (ft
2
) Roll Size Rolls Per Pallet
WeatherMaster
®
Ice & Water 100 100 36" x 33.3' 49
WeatherMaster
®
Ice & Water 200 195 36" x 65' 25
WeatherMaster
®
Ice & Water 216 216 36" x 72.1’ 25
Product Information
WeatherMaster®Ice&Waterproductsareself-adhesivecomposite
underlayments.Theadhesivelayeriscomposedofaproprietary,
SBS-modiedasphaltreinforcedwithaberglassmat.
Thegranulesurfaceprovidesexcellenttractionandprotection
fromUVdegradationandweathering.Theself-adhesiveside
iscoveredwithasplit-releasesheetwhichisremoved
duringinstallation.
WeatherMaster® Ice & Water
WeatherMaster®Ice&Waterprovidesasecondarylayerof
waterproongprotectionneededtohelppreventdamagefrom
icedamsandwind-blownrain.Theseself-adheringmodied-
bitumenunderlaymentscreateawatertightbarrierbysealingto
thedeckandaroundnailstoprovidecontinuousprotectionyear
afteryear.WeatherMaster®Ice&Waterhelpsprotecttheentire
deckofaproperlyventilatedrooforjustthoseproblemareas
wherewatercollectsordrainageisslow.Andsinceitcango
underanyroongmaterialfromasphaltshinglestotile,
homeownerscanenjoymaximumprotectionwiththe
architecturallooktheywant.
WeatherMaster®Ice&Waterunderlaymentisself-adhesive
andcold-applied.Nospecialadhesives,heat,orequipment
arenecessarytoinstallundernormaldryconditionsof45°F
orwarmer.
Data Sheet
Property Test Method Minimum Value
Mil Thickness N/A 55 mil
Thermal Stability
SAG-200°F (93°C)
ASTM C1970 Pass
Peel Adhesion ASTM C794 Pass
Pliability, 14°F (-10°C),
1/8 90° Bend
ASTM D146 Pass
Water Vapor Transmission ASTM E96 0.019 g/hr/sq.m. (max)
ASTM D1970 All Pass