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J't1oN 3�. • • 9= ICBO Evaluatlon Service Inc. �P � iy UWIPOW T � � � �� 5360 WORKMAN MILL ROAD • WHITT�R, CALIFORNIA 90601-2299 ��oa5� A subsidtary corporation of rhe International Conference of Building Officials n EVALUATION REPORT . eR-4sss Copyright m 1997 ICBO Evaluation Service, Inc. Reissued February 1, 1997 Filing Category: EXTERIOR COATINGS (060) DRYVIT SPRINT�EXTERIOR INSULATION AND FINISH SYSTEM 2. Wood screws are minimum No.8 corrosion resistant and have DRYVIT SYSTEMS,INC. sufficient length to penetrate the framing a minimum of 3/4 inch. ONE ENERGY WAY 2.2.3.3 Masoory: Masonry anchors are No. 10 minimum and are WEST WARWICK,RHODE ISLAND 02893 corrosion resistant.Minimum 3/g-inch-diameter head with sufficient 1.0 SUBJECT leogth to penetrate the substrate at least 1 inch is required.Tapco❑ Dryvit Sprint�Exterior Insulation and Finish System. manufactured by[TW Buildex is a typical masonry anchor. 2.2.3.4 Light-gage Steel Framing: Screws are minimum No. 8 2.0 DESCRIPTION seff-drilling and corrosion resistant with sufficient length to pene- 2.1 General: trate the framing a minimum of 3/g inch. The Dryvit Sprint exterior insulation and finish system is a six-com- 2•2•4 Reinforcing liesh:The Dryvit Sprint reinforciag mesh is an ponent system applied to exterior walls of wood or steel framing, open-weave glass-fiber mesh treated for alkali resistance and weigh- concrete orconcrete masonry,water-resistant core gypsum sheath- �ng approximately 4.3 ounces per square yard with a 12 by 6 thread ing board complying with ASTM C 79 and wood-based sheathing count. It is available in 38-inch by 150-foot rolls. Other reinforcing complying as Exterior or Exposure 1 grade, as noted in NER-108. mesh types such as Standard Plus,Intermediate,Panzer or Corner The six components coasist of an adhesive, polyisocyanurate Mesh may be used where supplementary impact resistance is insulation,mechanical fasteners,reiuforcing mesh,a base coat and required,in accordance with the manufacturer's mstructions. a finish coat. 2.2.5 Base Coat The Dryvit Sprint base coat is available in a dry or 2.2 Materials: wet mix.The dry mi�is a polymer-modified portland cement plaster product mixed at the jobsite with water at the rate of one gallon to 2.2.1 Adhesive: 40 pounds of dry mix to produce the base coat.The wet mix is a fiber- 1. Dryvit Sprint adhesive is a fully-formulated water-based acrylic reinforced acrylic-based product mixed at the jobsite with Type[or copolymer that bonds Thermax Quik-R insulation to unpainted II portland cement complying with UBC Standard 17-2 at a ratio of Exterior or Exposure 1 grade wood-based sheathing,water-re- 1:1 by weig6t to produce the base coat.The dry mix has a shelf life sistant core gypsum sheathing and unpaiated masonry. The of one year and the wet mi�,two years when stored in a cool dry loca- adhesive is tinted orange for product identification and has a tion. shelf life of one year when stored in a cool dry location. 2Z.6 Finish Coat:The Dryvit Sprint finish coat is available in tex- 2. Dryvit AP adhesive is a moisture-cure urethane constructio❑ ture Types No.100 and No.200.The types are also known as Quarc- adhesive which may be used in place of the Sprint adhesive.It put2 and Sandblast,respectively.It is 100 percent pure acrylic syn- has a shelf life of one year when stored in a cool dry location. thetic plaster with the different textures differentiated by aggregate 2.2.2 lnsulation Board: The insulation board is Thermax Quik-R size and distribution.The�finish coat materials have a shelf life of two Wall Insulation,a polisocyanurate manufactured by The Celotex Cor- years when stored at 40 F. poratioa with glass fiber mat facers.The board has a nominal density 2.3 Installation: of 2.0 pounds per cubic foot and is available in 5/8,3/4, 1, 11/2 and 2.3.1 General: The Dryvit Sprint system may be ad6esively 2 inch thicknesses. The 5/g- and 3/4-inch-thick boards are for attached or mechanically fas[ened to unpainted wood-based sheath- application over solid sheathing only.At this density and for a maxi- ing,water-resistant core gypsum sheathing or unpainted masonry. mum thickness of 2 inches,the board has a tlame-spread rating less The system must be mechanically attached to open wood and steel than 75 and a smoke-density rating less than 450.The board is avail- stud framing a�d painted masonry. The system is installed only able in 48 inch widths and 96, 108, 120 or 144 inch lengths. when a wall-surface temperature and ambient temperature of at least 2.2.3 Mechanical Fasteners: 40°F.can be maintained until the coating has cured.The base coat must be applied within 14 days after installation of the insulation. 21.3.1 General:Mechanical fasteners attach the insulation to the substrate and framiag.Washers are required with all nails,screws Z•3.2 Opea-wood Framing: Attachment to open-wood framing is and anchors and must be approved by Dryvit Systems,Inc.A plastic limited to maximum 16 inches on cen[er studs.A weather-resistive Quik-Cap washer supplied by Celotex or ULP-302 plate supplied by barrier complying with Section 1402.1 of the code is applied over the Wind-Lock Corporation, 13/4 inches in diameter,are two approved studs.The insulation board is then applied over the barrier with the washers. long dimension vertical and secured to the framing with mechanical fasteners aod plastic washers described in Section 2.2.3.Spacing of 2.2.3.2 Wood-based Framing/Substrates: the fasteners is 12 inches on center along the perimeter and in the 1. Minimum 8d corrosion-resistant ring-shank nails having suffi- field to secure the insulation to the framing. Fasteners must peae- cient length to penetrate the framing a minimum of 1 inch. trate the framing as described previously.All vertical and horizontal Evaluation reports ofICBO Evaluation Service,lnc.,are issued solely to provide information to ClassA members of ICBO,utilizjng the code upon which the report is based.Evaluation reporls are not to be conslrued as representing aesthetics or any other attributes not specifica/ly addressed nor as an endorsement or recommen- dation for use ojthe subject report. This report is based upon independent tesfs or other technical data submitted by the applicant.The lCBO Evaluation Service,Inc.,technieal staff has reviewed the test results and/os other data,but does not possess test jacilities to make an independerit veriftcation.There is no warranty by ICBO Evalaation Service,Inc.,espress or implied,as to any"Finding"or other matter in the report or as to any product covered by the report.This duclaimer includes,but is not[imited to,merchantability. ' Page 1 of 6