Exterior Building Repair- Dale M. Thompson/Trails West State School- Kansas City, Missouri

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1 SECTION EXTERIOR PAINTING PART 1 - GENERAL 1.1 SUMMARY A. This Section includes surface preparation and the application of paint systems on the following exterior substrates: 1. Galvanized metal. 2. Steel. 1.2 SUBMITTALS A. Product Data: For each type of product indicated. 1.3 QUALITY ASSURANCE A. MPI Standards: 1. Products: Complying with MPI standards indicated and listed in "MPI Approved Products List." 2. Preparation and Workmanship: Comply with requirements in "MPI Architectural Painting Specification Manual" for products and paint systems indicated. 1.4 EXTRA MATERIALS A. Furnish extra materials described below that are from same production run (batch mix) as materials applied and that are packaged for storage and identified with labels describing contents. 1. Quantity: Furnish an additional 5 percent, but not less than 1 gal. of each material and color applied. PART 2- PRODUCTS 2.1 MANUFACTURERS A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: B. Manufacturers: Subject to compliance with requirements, provide products by one of the following: Section EXTERIOR PAINTING

2 1. Benjamin Moore & Co. 2. Benjamin Moore & Co., Limited (Canada). 3. Bennette Paint Mfg. Co., Inc. 4. BLP Mobile Paint Manufacturing. 5. California Paints. 6. ChemRex. 7. Cloverdale Paint. 8. Color Wheel Paints & Coatings. 9. Columbia Paint & Coatings. 10. Coronado Paint. 11. Davis Paint Company. 12. Del Technical Coatings. 13. Diamond Vogel Paints. 14. Dunn-Edwards Corporation. 15. Durant Paints Inc. 16. Duron, Inc. 17. Envirocoat Technologies Inc. 18. Farrell-Calhoun. 19. Flex Bon Paints. 20. Frazee Paint. 21. General Paint. 22. Griggs Paint. 23. Hallman Lindsay Quality Paints. 24. Hirshfield's, Inc. 25. ICI Devoe (Canada). 26. ICI Paints. 27. ICI Paints (Canada). 28. Insl-x. 29. Iowa Paint Manufacturing Company, Inc. 30. Kelly-Moore Paints. 31. Kryton Canada Corporation. 32. Kwal-Howells Paint. 33. M.A.B. Paints. 34. McCormick Paints. 35. Miller Paint. 36. Mills Paint. 37. NCP Coatings. 38. Nmthern Paint. 39. PARA Paints. 40. Parker Paint Mfg. Co. Inc. 41. Porter Paints. 42. PPG Architectural Finishes, Inc. 43. Rodda Paint Co. 44. Sherwin-Williams Company (The). 45. Sico, Inc. 46. Sigma Coatings. 47. Smiland Paint Company. 48. Spectra-Tone. 49. Tamms Industries, Inc. 50. Tower Paint. 51. Vista Paint. Section EXTERIOR PAINTING

3 2.2 PAINT, GENERAL A. Material Compatibility: 1. Provide materials for use within each paint system that are compatible with one another and substrates indicated, under conditions of service and application as demonstrated by manufacturer, based on testing and field experience. 2. For each coat in a paint system, provide products recommended in writing by manufacturers of topcoat for use in paint system and on substrate indicated. B. Colors: As selected by Architect from manufacturer's full range. C. Paints in subsequent articles are specified by reference to MPI paint categories. Retaining requirements for VOC content or Environmental Performance Rating (EPR) further limits product selection. 2.3 METAL PRIMERS A. Alkyd Anticorrosive Metal Primer: MPI # VOC Content: E Range ofe2. B. Waterborne Galvanized-Metal Primer: MPI # VOC Content: E Range ofe EXTERIOR LATEX PAINTS A. Exterior Latex (Semigloss): MPI #11 (Gloss Level 5). 1. VOC Content: E Range ofe3. B. Exterior Latex (Gloss): MPI #119 (Gloss Level6, except minimum gloss of 65 units at 60 deg). 1. VOC Content: E Range ofe EXTERIOR ALKYD PAINTS A. Exterior Alkyd Enamel (Flat): MPI #8 (Gloss Levell). 1. VOC Content: E Range ofel. B. Exterior Alkyd Enamel (Semigloss): MPI #94 (Gloss Level 5). 1. VOC Content: E Range ofe2. C. Exterior Alkyd Enamel (Gloss): MPI #9 (Gloss Level 6). 1. VOC Content: E Range ofe2. Section EXTERIOR PAINTING

4 2.6 QUICK-DRYING ENAMELS A. Quick-Drying Enamel (Semigloss): MPI #81 (Gloss Level 5). 1. VOC Content: E Range ofe3. B. Quick-Drying Enamel (High Gloss): MPI #96 (Gloss Level 7). 1. VOC Content: E Range ofe3. PART 3- EXECUTION 3.1 EXAMINATION A. Examine substrates and conditions, with Applicator present, for compliance with requirements for maximum moisture content and other conditions affecting performance of work. B. Maximum Moisture Content of Substrates: When measured with an electronic moisture meter as follows: 1. Concrete: 12 percent. 2. Masonry (Clay and CMU): 12 percent. 3. Plaster: 12 percent. 4. Gypsum Board: 12 percent. C. VerifY suitability of substrates, including surface conditions and compatibility with existing finishes and primers. D. Begin coating application only after unsatisfactory conditions have been corrected and surfaces are dry. 1. Beginning coating application constitutes Contractor's acceptance of substrates and conditions. 3.2 PREPARATION AND APPLICATION A. B. Comply with manufacturer's written instructions and recommendations in "MPI Architectural Painting Specification Manual" applicable to substrates and paint systems indicated. Clean substrates of substances that could impair bond of paints, including dirt, oil, grease, and incompatible paints and encapsulants. 1. Remove incompatible primers and reprime substrate with compatible primers as required to produce paint systems indicated. C. Apply paints to produce surface films without cloudiness, spotting, holidays, laps, brush marks, roller tracking, runs, sags, ropiness, or other surface imperfections. Cut in sharp lines and color breaks. Section EXTERIOR PAINTING

5 D. Protect work of other trades against damage from paint application. Correct damage to work of other trades by cleaning, repairing, replacing, and refinishing, as approved by Architect, and leave in an undamaged condition. E. At completion of construction activities of other trades, touch up and restore damaged or defaced painted surfaces. 3.3 EXTERIOR PAINTING SCHEDULE A. Steel Substrates: I. Quick-Drying Enamel System: MPI EXT 5.1A. a. Prime Coat: Quick-drying alkyd metal primer. b. Intermediate Coat: Quick-drying enamel matching topcoat. c. Topcoat: Quick-drying enamel- MATCH EXISTING GLOSS. 2. Alkyd System: MPI EXT 5.1D. a. Prime Coat: Alkyd anticorrosive metal primer. b. Intermediate Coat: Exterior alkyd enamel matching topcoat. c. Topcoat: Exterior alkyd enamel- MATCH EXISTING GLOSS. B. Galvanized-Metal Substrates: 1. Latex System: MPI EXT 5.3A. a. Prime Coat: Cementitious galvanized-metal primer. b. Intermediate Coat: Exterior latex matching topcoat. c. Topcoat: Exterior latex MATCH EXISTING GLOSS. END OF SECTION Section EXTERIOR PAINTING

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7 SECTION EIFS REFINISHER COATING PART 1 - GENERAL 1.01 SCOPE A. Provide all labor, materials and equipment necessary to apply the EIFS Refinisher Coating RELATED SECTIONS A. Joint Protection B. Exterior Insulation and Finish System REFERENCES A. Section Includes 1. ASTM E 96: Test Method for Water Vapor Transmission of Materials 2. ASTM G 26:Practice for Operating Light Exposure Apparatus (Xenon-Arc Type) With and Without Water for Exposure ofnon Metallic Materials 3. ASTM C : Test Method for Indentation Hardness ofelastomeric-type Sealants by Means of a Duro meter 4. ASTM B :Test Method of Salt Spray (Fog) Testing 5. ASTM D : Method for Evaluating Degree of Rusting on Painted Steel Surfaces 6. ASTM D : Test Method for Mandrel Bend Test of Attached Organic Coatings 7. ASTM D : Test Method for Evaluating Degree of Checking of Exterior Paints 8. ASTM D : Test Method for Evaluating Degree of Cracking of Exterior Paints 9. ASTM D : Test Method for Evaluating Degree of Erosion of Exterior Paints 10. ASTM D : Test Method for Evaluating Degree of Blistering of Paints 11. ASTM D 4260: Standard Practice For Acid Etching Concrete. 12. ASTM D 4258: Standard Practice For Surface Cleaning Concrete For Coating 13. ASTM D 4259: Standard Practice For Abrading Concrete 14. ASTM D 2794: Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact) 15. ASTM D : Test Method for Evaluating Deg.ree of Chalking of Exterior Paint Films 16. ASTM D : Test Methods for Tensile Properties of Organic Coatings 17. Fed Spec TT-C-555-B Wind Driven Rain 18. DS433, Weatherlastic Smooth 19. DS436, Weatherprime 20. #5100 Data Sheet Plastiflex Elastomeric Adhesive Caulk (Brush Grade) by Scott Paint Company 21.# 5200 Data Sheet Plastiflex Elastomeric Patching Compound (Knife Grade) by Scott Paint Company 1.04 DESCRIPTION A. The Manufacturer EIFS Refinisher Coating products include a waterproof elastomeric coating and primer for use over exterior concrete, masonry, stucco and exterior insulation and finish systems (EIFS) SUBMITTALS A. Samples l.the applicator shall submit two (2).61 m x 1.2 m (2ft x 4ft) samples of the proposed finish to the architect and/or owner for approval. B. Manufacturer's Information 1. Submit manufacturer's product information and specifications. Section EIFS REFINISHER COATING

8 1.06 QUALITY ASSURANCE A. Manufacturers: 1. Drawings based on Dryvit WeatherLast Coatings. Subject to compliance with requirements, provide products by one of the following: Acrocrete, Inc. Corev America, Inc. Dryvit Systems, Inc. El Rey Stucco Company, Inc.; a brand ofparexlahabra, Inc. Finestone; Degussa Wall Systems, Inc. Master Wall, Inc. Omega Products International, Inc. Parex, Inc.; a brand ofparexlahabra, Inc. Pleko LLC. Senergy; Degussa Wall Systems, Inc. SonoWall; Degussa Wall Systems, Inc. Sto Corp. Stuc-0-Flex International, Inc. TEC; an H. B. Fuller company. Total Wall Inc. 2. The applicator shall be knowledgeable in the application of exterior acrylic and elastomeric architectural coatings and waterproofing products. B. Substrates 1. Application of EIFS Refinisher Coating products shall be applied only to the following substrates when prepared in accordance with this specification. a. Sound unglazed brick, unit masonry or concrete. b. Sound stucco. c. Sound exterior insulation and finish systems (EIFS). 2. The applicator shall verify that the proposed substrate is acceptable prior to application ofeifs Refinisher Coating products. C. Performance Requirements 1. The EIFS Refinisher Coating shall meet or exceed the following tests. a. Water Vapor Transmission (ASTM E 96 Water Method)- 15 perms at 10 mils dry film thickness. b. Accelerated Weathering (ASTM G 26 Test Method 1, BH Apparatus) 2. After 3,000 hours exposure, the coating shall exhibit as a minimum: a) Chalking index of9 per ASTM D Method B b) Checking index of 10 per ASTM D c) Cracking index of 10 per ASTM D d) Blistering index of 10 per ASTM D e) Erosion index of 9 per ASTM D f) Rusting index of 10 per ASTM D c. Salt Spray (Fog) Resistance (ASTM B ) 3. After 500 hours exposure, the coating shall exhibit as a minimum: a) Chalking index of 10 per ASTM D Method B b) Checking index of 10 per ASTM D c) Cracking index of 10 per ASTM D Section EIFS REFINISHER COATING m 2

9 Exterior Building Repair- Dale M. Thompson/Trails West State School~ Kansas City, Missouri d) Blistering index of 10 per ASTM D e) Erosion index of 10 per ASTM D f) Rusting index of 10 per ASTM D d. Hardness (ASTM C ) Type A Shore Durometer; 69.5@ 20 mils OFT e. Impact Resistance (ASTM D 2794); 98 in-lbs. f. Resistance to Wind Driven Rain (Federal Test Method TT-C-555B)- Passes g. Low-Temperature Flexibility; 3.2 mm (1/8 in) diameter mandrel at -34 oc ( -30 F). No cracking or adhesion loss (Evaluated per ASTM D ). h. Tensile Properties (ASTM D ): 4.Tensile Strength -100 psi@ 25 oc (77 F) 488 psi@ -18 oc (0 F) 5. Elongation- 77%@ 25 oc (77 F) 123%@ -18 oc (0 F) 1.07 DELIVERY, STORAGE and HANDLING A. All EIFS Refinisher Coating materials shall be delivered to the job site in the original, unopened packages with labels intact. B. Upon arrival, materials shall be inspected for physical damage, freezing or overheating. Questionable materials shall not be used. 1. All EIFS Refinisher Coating materials shall be stored at the job site, and at all times, in a cool, dry location, out of direct sunlight, protected from weather and other damage. Minimum storage temperature shall be 4 oc ( 40 F) 2. For all other products, refer to specific product data sheets. C. Maximum storage temperature shall not exceed 38 oc (100 F). NOTE: Minimize exposure of materials to temperatures over 32 oc (90 F). Finishes exposed to temperatures over 43 oc (11 0 F) for even short periods may exhibit skinning, increased viscosity and should be inspected prior to use JOB CONDITIONS A. Existing conditions: The applicator shall have access to electric power, clean water and a clean work area at the location where the EIFS Refinisher Coating materials are to be installed. B. Environmental Conditions: 1. The ambient air and wall temperatures shall be from 4 oc (40 F) minimum to 38 oc (100 F) maximum for for application of EIFS Refinisher Coating. The temperature shall remain so for at least 24 hours thereafter or longer if necessary for the materials to be sufficiently dried. C. Protection 1. Adjacent areas/materials shall be protected from damage, drops and spills during the application of EIFS Refinisher Coating materials. 2. The EIFS Refinisher Coating materials shall be protected by permanent or temporary means from weather and other damage, prior to, during, and immediately after application. Care must be taken to prevent condensation and/or heat buildup when using tarp or plastic to prevent damage to the EIFS Refinisher Coating materials. D. Sequencing and Scheduling: 1. Application of the EIFS Refinisher Coating materials shall be coordinated with other construction trades. 2. Sufficient labor and equipment shall be employed to ensure a continuous operation. Section EIFS REFINISHER GOA TING

10 1.09 LIMITED MATERIALS WARRANTY A. Manufacturer shall offer a written Limited Materials Warranty upon receipt of a properly executed warranty request and completed project form MAINTENANCE A. Depending on location, some cleaning may be required. See per manufacturer's recommendations on cleaning and recoating. PART II- PRODUCTS 2.01 GENERAL A. All EIFS Refinisher Coating products shall be supplied by and obtained from same manufacturer or its authorized distributors. Substitutions or addition of other materials will void the warranty COMPONENTS A. EIFS Refinisher Elastomeric Coating B. Acrylic Primer: A pigmented, exterior, acrylic emulsion primer MATERIALS A. Water: Shall be clean and potable. B. Patching Material: Manufacturer's standard 2.04 EQUIPMENT A. Mixing shall be done with a clean mixer as recommended by manufacturer. B. Tools associated with the painting trade. PART III- EXECUTION 3.01 INSPECTION A. Examination of Substrate. 1. Ensure that the substrate is of a type and condition per manufacturer's recommendations. B. Ensure that minimum application temperatures are met per per manufacturer's recommendations SUBSTRATE PREPARATION A. Coated Substrates 1. Shall be cleaned to remove all chalk dirt, dust, loose coatings and other foreign materials. 2. Loose, delaminated or spalled areas shall be repaired with an appropriate procedures and materials compatible with the substrate material. B. Noncoated Surfaces 1. Surfaces shall be cleaned to remove all dili, dust, form release agents, or other foreign matter which may interfere with the bond of a finish coating. 2. Loose, delaminated or spalled areas of masonry, stucco or concrete substrates shall be repaired with an appropriate cementitious patching compound and allowed to cure a minimum of 7 days. 3. Concrete shall cure a minimum of 28 days prior to application of the EIFS Refinisher Coating products. 4. Surfaces shall be primed with manufacturers' recommended primer tinted to match the final color. 5. Cracks shall be treated as per Section 3.02.D. 6. Sills Section EIFS REFINISHER COATING

11 a. All sills shall receive a liberal coat of compatible brush grade patching compound. 7. Parapets a. Treat top and back of parapets in the same manner as exterior walls, terminating at roof counter flashing. b. Recaulking to roof flashing may be required. Use an appropriate high grade urethane sealant and allow to cure prior to application of compatible brush grade patch compound. 8. Tetminations and juncture of dissimilar materials. a. Caulk as necessary using compatible high grade urethane sealant and allow to cure prior to application of compatible brush grade patch compound. D. Cracks shall be treated as follows: 1. Static cracks up to.8 mm (1/32 in) can be bridged by EIFS Refinisher Coatingic finishes without special treatment. 2. Static cracks up to 3.2 mm (1/8 in) in width in concrete, CMU or stucco. a. Remove all loose material and clean the crack. b. Apply compatible patch compound directly over the crack and feather out a minimum of 102 mm ( 4 in) on each side. 3. Static cracks 3.2 mm to 6.4 mm (1/8 in to 1/4 in) wide in concrete, CMU, or stucco.. a. Chip or grind out crack to a minimum 6.4 mm (1/4 in) wide by 6.4 mm (1/4 in) deep groove. b. Clean and remove all loose materials. c. Fill groove with compatible knife grade patch compound. d. Bridge crack with compatible brush grade patch compound. Apply at approximately 6.4 mm (1/4 in) thickness over the crack and feather out a minimum of 102 mm ( 4 in) on each side. 4. Static cracks over 6.4 mm (1/4 in) wide in concrete, CMU, or stucco. a. Clean and remove all loose and unsound material from crack. b. Repair crack with non-shrinking cementitious patching mortar or cement plaster mix and allow to cure a minimum of7 days. c. Coat with Primer and top dress with a compatible patching material if necessary. 5. Dynamic cracks 1.6 mm to 12.7 mm (1/16 in to 1/2 in) wide in concrete, CMU, or stucco... a. Chip or grind out the crack so that the width is equal to the depth, but not less than 6.4 mm (1/4 in). b. Clean and remove all loose material from crack. c. Fill the crack with a high grade urethane sealant. Tool into joint and allow to cure minimum 24 hours. d. Apply a coat of compatible brush grade patch compound over the crack and feather out to a minimum of 102 mm (4 in) on each side. 6. Prime patched surfaces with acrylic primer. 7. Cracks in EIFS systems shall be repaired using manufacturer's standard procedures. 8. EIFS surfaces shall be skimmed out with manufacturer's recommended filler to fill in texture prior to application of textured EIFS Refinisher Coating finishes APPLICATIONS A. The substrate and substrate preparation shall be inspected by the contractor to ensure it is in compliance with this specification. B. Mixing 1. EIFS Refinisher Coating Smooth coating and primer shall be mixed thoroughly to a uniform homogeneous consistency using a Goldblatt Jiffler Mixer No H7 powered by a 12.7 mm (112 in) drill RPM or equivalent. Section EIFS REFINISHER COATING

12 C. General. 1. The EIFS Refinisher Coating can be brush, roller, or spray applied in accordance with specific product instructions. 2. No additives shall be added under any circumstances. 3. EIFS Refinisher Coatingic Smooth shall be applied to an entire wall surface in a continuous application. 4. The coating shall be protected from airbome contamination such as dust, soot, etc. and from weather and other damage until fully dried. 5. The wall surfaces to be coated shall not be hot to the touch and the coating must be applied in the shade. D. Compatible Patching Material 1. Brush grade patching material shall be applied using a nylon brush to the required thickness. 2. Knife grade patching material shall be applied using a putty knife or spatula to the required thickness. E. EIFS Refinisher Primer 1. Shall be applied to recommended coating thickness by brush, roller or airless spray equipment per manufacturer's recommendations FIELD QUALITY CONTROL A. The Contractor shall be responsible for the proper application of the Manufacturer materials. B. If requested, the applicator shall cetiify in writing that the quality of work performed relative to the substrate system, details, installation procedures and workmanship is in accordance with project specifications and manufacturer's instructions. C. Ifrequested, the sealant applicator shall ce1iify in writing that the sealant application is in accordance with the sealant manufacturer's and Manufacturer's recommendations CLEAN-UP A. Materials left over by the applicator at the job site shall be removed by the applicator. B. The applicator shall clean adjacent materials and surfaces and the work area of foreign materials resulting from their work. END OF SECTION Section EIFS REFINISHER COATING