S06 Attachment Spec 07 44 00.pdf

April 30, 2020 Central Western Massachusetts Healthcare System VA Project No. 631-451 Liberty Building – Upgrade Primary Care

CEMENTITIOUS PANELS AND TRIM

07 44 00-page 1 of 5

SECTION 07 44 00

CEMENTITIOUS PANELS AND TRIM

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Cementitious trims and panels with accessories designed for the environmental zone application specific to this project and as indicated on drawings.

1. Provide materials factory primed for field painting.

2. Provide panels and trims with smooth finish.

1.2 RELATED SECTIONS

A. Section 05 40 00 - Cold-Formed Metal Framing.

B. Section 06 10 00 - Rough Carpentry.

1.3 REFERENCES

A. ASTM International (ASTM):

1. ASTM C834 - Standard Specification for Latex Sealants.

2. ASTM C920 - Standard Specification for Elastomeric Joint Sealants.

3. ASTM C1186 - Standard Specification for Flat Non-Asbestos Fiber-Cement

Sheets.

4. ASTM D523 - Standard Test Method for Specular Gloss.

5. ASTM D3363 - Standard Test Method for Film Hardness by Pencil Test.

6. ASTM D3359 - Standard Test Methods for Rating Adhesion by Tape Test.

7. ASTM D4585 - Standard Practice for Testing Water Resistance of Coatings

Using Controlled Condensation.

8. ASTM E84 - Standard Test Method for Surface Burning Characteristics of

Building Materials.

9. ASTM E96 - Test Methods for Water Vapor Transmission of Materials.

10. ASTM E119 - Standard Test Methods for Fire Tests of Building Construction and Materials.

11. ASTM E136 - Standard Test Method for Behavior of Materials in a Vertical

Tube Furnace at 750 degrees C.

B. AATCC127 - Water Resistance: Hydrostatic Pressure Test.

C. TAPPI - T460 - Air Resistance of Paper (Gurley Method).

1.4 SUBMITTALS

A. Submit under provisions of Section 01 00 00 - General Requirements.

B. Product Data: Manufacturer's data sheets on each product to be used, including:

April 30, 2020 Central Western Massachusetts Healthcare System

CEMENTITIOUS PANELS AND TRIM

07 44 00-page 2 of 5

1. Installation instructions and recommendations.

2. Storage and handling requirements and recommendations.

3. Manufacturer's best practice guide.

4. Technical data sheet.

5. Standard CAD drawings

C. Shop Drawings: Provide detailed drawings of atypical non-standard applications of cladding junctions and penetrations which are outside the scope of the standard details and specifications provided by the manufacturer.

D. Samples: For each finish product specified, two samples, minimum size 4 by 6 inches (100 by 150 mm), representing actual product, color, and patterns.

1.5 QUALITY ASSURANCE

A. Mock-Up: Provide a mock-up for evaluation of surface preparation techniques

1. Finish areas designated by COR.

2. Do not proceed with remaining work until workmanship, color, and sheen are approved by COR.

3. Refinish mock-up area as required to produce acceptable work.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Store products in manufacturer's unopened packaging until ready for installation.

B. Store board and panels flat on a smooth level surface. Protect edges and corners from chipping. Store sheets under cover and keep dry prior to installing.

C. Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.

1.7 PROJECT CONDITIONS

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.

1.8 WARRANTY

A. Manufacturer's Warranty: Provide materials with manufacturer’s 30-year limited product warranty against manufacturing defects and designed for the climate zone of the project.

1. Application Warranty: Application limited warranty for 2 years.

PART 2 PRODUCTS

2.1 MANUFACTURERS

April 30, 2020 Central Western Massachusetts Healthcare System

CEMENTITIOUS PANELS AND TRIM

07 44 00-page 3 of 5

A. Basis of Design: James Hardie Building Products, Inc., located at: 231 South

LaSalle Street Unit 2000, Chicago, IL 60606. ASD. Toll Free Tel: 866-274-3464; Tel:

312-705-6000

B. Requests for approval of equal substitutions will be considered in accordance with provisions of Section 01 00 00 - General Requirements.

2.2 CLADDING – Basis of Design:

A. Cement Cladding Panels: Hardie Panel as manufactured by James Hardie Building

Products, Inc. 7/16 inches thick, 3 feet 11.5 inches (1206 mm) wide by 7 feet 11.5 inches (2426 mm) long. Product shall be engineered for climate conditions.

1. Refer to manufacturer’s literature to identify the specific zone of the project.

B. Code Compliance Requirement for Siding Materials:

1. Fiber-cement siding complies with ASTM C 1186 Type A Grade II.

2. Fiber-cement siding complies with ASTM E 136 as a noncombustible material.

3. Fiber-cement siding complies with ASTM E 84 Flame Spread Index = 0, Smoke Developed Index = 5.

4. Fiber-cement siding complies with ASTM E 119 1 hour and 2-hour fire resistive assemblies listed with Warnock Hersey.

5. Fiber-cement siding tested to ASTM E330 for Transverse Loads.

6. Intertek Warnock Hersey Product Listing.

7. Manufacturer's Technical Data Sheet.

2.3 ACCESSORlES

A. Trims: Provide trims as indicated on drawings and as required for conditions.

B. Finishes of Panels and Trims:

1. Primed for field painting; coating tested to ASTM D3363, ASTM D3359, D2794, D4585, D523, and D1308.

2.4 FASTENERS

A. Fasteners: For attaching panels and trim refer to manufacturer’s specific recommendations and requirements.

1. For Steel Framing, provide countersunk Screws with specifications meeting manufacturer’s requirements.

2. Fasteners shall be of high-quality stainless steel to ensure resistance to corrosion. For field painting, fasteners shall be treated to accept paint adhesion.

a. Alternatives must be approved by the architect. e.g. decorative screws, April 30, 2020 Central Western Massachusetts Healthcare System

CEMENTITIOUS PANELS AND TRIM

07 44 00-page 4 of 5 nails, bugle head screws, and similar items.

2.5 FlNlSHES

A. Factory Primer: Provide factory applied universal primer.

1. Primer: Factory applied sealer/primer by material manufacturer. Apply flat sheen finishes to panels.

2. Topcoat: 100 percent acrylic exterior semi-gloss grade paint with semi-gloss finish (MPI 11)

PART 3 EXECUTION

3.1 EXAMINATION

A. Do not begin installation until substrates have been properly prepared.

B. If framing preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

3.2 PREPARATION

A. Clean surfaces thoroughly prior to installation.

B. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

C. Ensure that drainage plane in intact and all penetrations are sealed.

3.3 INSTALLATION

A. Metal Framing: Minimum 20-gauge (33 mm) 3-5/8-inch (92 mm) C-Stud 16 inches maximum metal framing complying with local building codes, including the use of water-resistive barriers and/or vapor barriers where required. Minimum 1-1/2 inches

(38 mm) face and straight, true, of uniform dimensions and properly aligned.

1. Install water-resistive barriers and claddings to dry surfaces.

2. Repair any punctures or tears in the water-resistive barrier prior to the installation of the siding.

3. Protect siding from other trades.

B. Installation: Install materials in strict accordance with manufacturer's installation instructions.

1. Fastening Method: Countersunk and filled.

2. Place fasteners no closer than 3/4 inch (9.5 mm) from panel edges and 2 inches (51 mm) from panel corners.

3. Use fasteners as specified in the manufacturer’s Tech Data sheet and in the manufacturer’s Installation Instruction.

4. Install panel using 1/2-inch (13 mm) spacers at horizontal joints. Leave bottom

April 30, 2020 Central Western Massachusetts Healthcare System

CEMENTITIOUS PANELS AND TRIM

07 44 00-page 5 of 5 edge of panel above all horizontal trims exposed, no caulking shall be placed at this overlap of Horizontal Reveal Trim. Factory primed edge shall always be used.

5. Install a kickout flashing to deflect water away from the siding at the roof intersection.

6. Install a self-adhering membrane on the wall before the subfascia and trim boards are nailed in place, and then install the kickout.

7. Allow minimum vertical clearance between the bottom edge of siding and any other material in strict accordance with the manufacturer's installation instructions and as determined by construction climate zone.

8. Maintain clearance between siding and adjacent finished grade.

9. Specific framing and fastener requirements - refer to the applicable building code compliance reports.

3.4 FINISHING

A. Finish factory primed siding with a minimum of two coats of high-quality 100 percent acrylic exterior semi-gloss grade paint with semi-gloss finish within 180 days of installation. Follow paint manufacturer's written product recommendation and written application instructions.

B. Field cut edges shall be coated during the installation process using an exterior grade primer/sealer that is compatible with the type of paint used on project.

3.5 PROTECTION

A. Protect installed products until completion of project.

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

END OF SECTION