Direct-Applied Finish System

SECTION 07242 DIRECT-APPLIED FINISH SYSTEM

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PART 1 GENERAL

1.1 SECTION INCLUDES

1.A. Exterior stucco typed direct-applied to treated engineered wood panel substrate. (CarraraFinishes over LP SmartSide Precision Panels)

1.2 RELATED SECTIONS

2.A. Section 06100 - Rough Carpentry.

2.B. Section 07260 - Vapor Retarders.

2.C. Section 07620 - Sheet Metal Flashing and Trim.

2.D. Section 09900 - Paints and Coatings.

1.3 REFERENCES

3.A. ASTM International (ASTM): 3.A.1. ASTM D 412 - Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers - Tension. 3.A.2. ASTM D 2697 - Standard Test Method for Volume Nonvolatile Matter in Clear or Pigmented Coatings. 3.A.3. ASTM D 2369 - Standard Test Method for Volatile Content of Coatings. 3.A.4. ASTM D 3363 - Standard Test Method for Film Hardness by Pencil Test. 3.A.5. ASTM D 5201 - Standard Practice for Calculating Formulation Physical Constants of Paints and Coatings. 3.A.6. ASTM E 96 - Standard Test Methods for Water Vapor Transmission of Materials.

3.B. ICC Evaluation Service (ICC-ES): 3.B.1. AC321 - Acceptance criteria for treated-engineered-wood siding. 3.B.2. 07242-1 ESR-1301 - Evaluation Service Report for LP SmartSide Precision Panel Siding.

3.C. American Wood Protection Association (AWPA) standard T1 - Use Category System: Processing and Treatment Standard. Section J Non-Pressure Composites.

3.D. APA - The Engineered Wood Association: Structural Ratings.

1.4 SUBMITTALS

4.A. Submit under provisions of Section 01300.

4.B. Product Data: Manufacturer's data sheets on each product to be used, including: 4.B.1. Preparation instructions and recommendations. 4.B.2. Storage and handling requirements and recommendations. 4.B.3. Cleaning and maintenance instructions.

4.C. Shop Drawings: Provide shop drawings indicating details of construction and installation.

4.D. Verification Samples: For each product specified, two samples, representing colors, patterns, textures, and finishes to be installed.

1.5 DELIVERY, STORAGE AND HANDLING

5.A. Deliver, store and handle materials and products in strict compliance with manufacturer's instructions and recommendations and industry standards.

5.B. Store products in manufacturer's labeled packaging until ready for installation. Protect from damage.

1.6 PROJECT CONDITIONS

6.A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.

1.7 SEQUENCING AND SCHEDULING

7.A. Conference: Convene a pre-installation conference to establish procedures to maintain optimum working conditions and to coordinate this work with related and adjacent work.

1.8 WARRANTY

8.A. Manufacturer's Standard Warrantees: 8.A.1. Warranty Period for Exterior Stucco Type Finish (Carrara): 5 year limited warranty for 07242-2 materials and color retention; finishes will be free from manufacturing defects for the full warranty period. 8.A.2. Warranty Period for Siding Panels: 50 year limited warranty with 5 year 100 percent repair and replacement feature.

PART 2 PRODUCTS

2.1 MANUFACTURERS

1.A. Acceptable Manufacturer: LP SmartSide, which is located at: 414 Union St. Suite 2000 ; Nashville, TN 37219; Toll Free Tel: 888-820-0325; Email: request info; Web: www.lpcorp.com/smartside

1.B. Substitutions: Not permitted.

1.C. Requests for substitutions will be considered in accordance with provisions of Section 01600.

2.2 MATERIALS

2.A. Exterior Stucco Type Finish: CarraraFinishes as distributed by LP SmartSide. 2.A.1. Standard Color: As selected by Architect from manufacturer's standard colors. 2.A.2. Custom Color: As selected by Architect based on manufacturer's assistance with color formulation. 2.A.3. Texture: Fine texture; acrylic polymer mastic additive. 2.A.3.a. VOC Content of Coating: 57 g/L (0.48 lb/gal). 2.A.4. Texture: Medium texture; acrylic polymer mastic additive. 2.A.4.a. VOC Content of Coating: 36 g/L (0.3 lb/gal). 2.A.5. Texture: Sonora Sand texture; acrylic polymer mastic additive. 2.A.5.a. VOC Content of Coating: 43 g/L (0.36 lb/gal). 2.A.6. Texture: Skip trowel texture. 2.A.7. Texture: Skip trowel texture with Sonora Sand texture additive. 2.A.8. Texture: Worm texture; acrylic polymer mastic additive. 2.A.8.a. VOC Content of Coating: 29 g/L (0.24 lb/gal). 2.A.9. Texture: Spray texture. 2.A.10. Coverage: Approximately 120-150 sf per 5 gallon bucket.

2.B. Treated Engineered Wood Panel Siding: Precision Series LP SmartSide Smooth Panel as manufactured by LP SmartSide. 2.B.1. Description: Exterior-grade phenolic resin-saturated paper overlay laminated to EPA- 07242-3 registered zinc-borate-preservative-treated engineered wood siding; structurally rated; AWPA compliant, APA rated panels for structural use; exposed edges sealed for moisture resistance. 2.B.2. Size: 8 feet (2438 mm) long, 0.315 inch (8 mm) thickness. 2.B.3. Size: 8 feet (2438 mm) long, 0.375 inch (9.5 mm) thickness. 2.B.4. Size: 8 feet (2438 mm) long, 0.530 inch (13.5 mm) thickness. 2.B.5. Edges: Square. 2.B.6. Finish: Smooth. 2.B.7. Substrate for Panels: As indicated on Drawings. 2.B.8. Substrate for Panels: Direct to metal. 2.B.9. Substrate for Panels: Direct to wood. 2.B.10. Substrate for Panels: Over exterior gypsum panel. 2.B.11. Substrate for Panels: Over exterior sheathing.

2.C. Auxiliary Installation Products: 2.C.1. Mastic: Fill-N-Build (FNB) as distributed by LP SmartSide. Exterior grade, sandable, high- fill, easy spread mastic used in corner details, arches, and to fill and repair nail-holes, gouges, joints and cracks. 2.C.2. Joint and Edge Sealing: Dual-Tape-Core as distributed by LP SmartSide; 4 inches (102 mm) wide by 100 feet (30 m) long. 2.C.3. Joint Sealant: AcraCream coating as distributed by LP SmartSide; acrylic joint sealant, double layer. 2.C.3.a. Solids By Volume (ASTM D 5201): 66 percent (+/- 2). 2.C.3.b. Tensile Strength (ASTM D 412): 325 psi (+/- 25). 2.C.3.c. Elongation (ASTM D 412): 200 percent (+/- 25). 2.C.4. Primer: ColorTex coating as distributed by LP SmartSide; acrylic-epoxy, roller-applied, scratch coating. 2.C.4.a. Solids by Weight (ASTM D 2369): 52 percent (+/- 2). 2.C.4.b. Solids by Volume (ASTM D 2697): 38 percent (+/- 2). 2.C.4.c. Hardness (ASTM D 3363): 3H. 2.C.4.d. Permeance ( ASTM E 96): 6 perms at 5 mils. 2.C.5. Sealer: MicroSeal Carrara as distributed by LP SmartSide; formulated to aid dirt and soil repellency. 2.C.5.a. VOC Content of Coating: 157 g/l (1.31 lb/gal).

PART 3 EXECUTION

07242-4 3.1 PREPARATION

1.A. Prepare substrates using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

1.B. If preparation is the responsibility of another installer, notify Architect in writing of deviations from manufacturer's recommended installation tolerances and conditions.

1.C. Do not proceed with installation until substrates have been properly prepared and deviations from manufacturer's recommended tolerances are corrected. Commencement of installation constitutes acceptance of conditions.

3.2 INSTALLATION

2.A. Install in accordance with manufacturer's written instructions and recommendations including the following: 2.A.1. Allow products to adjust to ambient conditions before starting installation. 2.A.2. Do not install to green or crooked structural framing. 2.A.3. Do not install over rain soaked or buckled materials. 2.A.4. Do not install if excessive moisture is present in the interior, including that from curing concrete and plaster. 2.A.5. Do not cut siding to fabricate trim; use trim components manufactured for that purpose. 2.A.6. Apply finish using methods recommended by manufacturer. 2.A.7. Comply with terms necessary to maintain warranty coverage. 2.A.8. Install in accordance with conditions stated in ICC-ES ESR-1301. 2.A.9. Seal and flash joints. Seal around penetrations..

3.3 CLEANING, MAINTENANCE AND PROTECTION

3.A. Protect installed products until completion of project.

3.B. Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION

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