KASTONE REINFORCED COMPOSITE FABRICATIONS SEC. 06611
THIS SECTION IS FOR CUSTOM
KASTONE COMPOSITE FABRICATIONS.
FOR LARGE EXTERIOR PANELS, USE SECTION 07455.
PART 1 - GENERAL
1.01 RELATED DOCUMENTS
A. Drawings, Conditions of the Contract and Division 1 Specifications sections, apply to work of this section.
1.02 SUMMARY
A. Section Includes: Composite fabrications as scheduled at the end of this section.
1.03 RELATED SECTIONS
A. Section 05120 - Structural Steel: Support framing for fiberglass fabrications.
B. Section 06100 - Rough Carpentry: Framing of Openings and Blocking.
C. Section 07900 - Joint sealants.
D. Section _____ - _______________: Plumbing specialties.
E. Section _____ - _______________: Plumbing fixtures and trim.
F. Section _____ - _______________: Electrical attachments.
1.04 REFERENCE STANDARDS
A. ASTM D638: Test Method for Tensile Properties of Plastic.
B. ASTM D695: Test Method for Compressive Strength of Rigid Plastics.
C. ASTM D790: Test Methods for Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials.
D. ASTM E84: Test Method for Surface Burning Characteristics of Building Materials.
1.05 DESIGN REQUIREMENTS
A. Installed Kastone product and fastening systems shall withstand:
1. _____ mph winds
2. _____ lbs/sq.inch live load with deflection limited to [L/150] of span.
3. _____ lbs/sq.inch dead load with deflection limited to [L/150] of span.
4. _____ psf snow load
5. Meet requirements of applicable building codes.
B. Design loads shall not be cumulative.
C. Installed products shall be capable of withstanding positive and negative wind pressure without structural failure, cracking, crazing, permanent distortion or displacement.
1.06 SUBMITTALS
A. Shop Drawings: Dimensions, adjacent construction, materials, thicknesses, fabrications details, required clearances, field jointing, tolerances, colors, finishes, methods of support, integration of components and anchorages.
B. Submit list of part numbers.
C. Product Data: Submit manufacturer’s product data and installation and maintenance instructions.
D. Manufacturer’s Instructions: Submit manufacturer’s instructions and recommendations for product delivery, storage and handling.
E. Product Samples: Submit minimum 3 inch x 5-inch sample. Match sample provided by Architect.
F. Submit manufacturer’s warranty.
1.07 QUALITY ASSURANCE
A. Inspect each molded piece to ensure that it complies with specified requirements, including nominal dimensions.
1.08 MANUFACTURER'S QUALIFICATIONS
A. Manufacturer: Provide products manufactured by
Kreysler & Associates,
1.09 DELIVERY, STORAGE AND HANDLING
A. Handle, store and transport fiberglass fabrications according to manufacturer’s recommendations and in a manner that prevents damage.
B. Protect fabrications from damage by retaining shipping protection in place until installation.
C. Damage Responsibility: Except for damage caused by others, the installer is responsible for chipping, cracking, or other damage to Kastone product, after delivery to the job site and until installation is completed and inspected and approved by the Architect/Engineer.
1.10 LIMITED WARRANTY
A. Warrant fabrications to be free from defects due to materials and workmanship for five years.
PART 2 - PRODUCTS
2.01 ACCEPTABLE MANUFACTURERS
A.Kreysler &
Associates
T 707.552.3500 F 707.552.3501 www.kreysler.com.
2.02 FABRICATED PRODUCTS
A. Fabrications required are scheduled at the end of this section.
2.03 MATERIAL CHARACTERISTICS
A. Molded Exterior Surface:
U-V inhibited, Kastone finish.
1. Kastone finish to match Sample supplied by Architect.
B. Back-up Laminate:
1. Matrix: Isophthalic unsaturated polyester resin.
a) Fire Retardant: ASTM E-84, Class 1 (flame spread rating of 25 or less).
2. Reinforcement.
a) ”E” type fiberglass.
b) Random chopped glass fibers and/or oriented fiber as required.
c) Reinforcement volume fraction approximately 25% to 30% except, 15% for filled resin systems.
3. Laminate Thickness
a) Nominal thickness 3/16”
b) Additional thickness and reinforcement, and sandwich structures as indicated and as required for structural integrity.
2.04 AVERAGE MECHANICAL PROPERTIES FOR UNFILLED MATRIX REINFORCED COMPOSITE:
PROPERTY VALUE AND TEST METHOD
Tensile strength 12,000 PSI ASTM D638
Flexural strength 20,000 PSI ASTM D790
Flexural modulus 0.9 x 106 PSI ASTM D790
Compressive strength 17,000 PSI ASTM D695
Bearing strength 9,000 PSI ASTM D638
Thermal expansion 10 x 10-6 (oF)
Specific gravity 1.5
2.05 FINISH
A. Kastone finish shall be integrally molded** and chemically bonded to reinforced composite laminate.
B. Kastone color sample shall be selected and pre-approved by the owner or his authorized representative. Finished products shall match as closely as possible the pre-approved sample within a pre-agreed upon color variation tolerance.
C. Surface texture/exposed side: Kastone per manufactures sample.
D. Finish: Lightly sandblasted.
Kastone face coats shall be applied to a properly prepared mold surface.
Kastone thickness shall be no less that 1/8 inch. Kastone shall consist of kiln dried silica fillers and/or aggregate in NPG isothalic polyester gelcoat. After demolding, the exposed surface shall be lightly sandblasted to expose sand and aggregate particles. Sandblasting shall be the minimum possible to create an even, exposed aggregate surface. Seams and/or mold lines shall be filled where necessary, ground smooth, and reblasted to match surrounding material.
2.06 TOLERANCES
A. Total Part Thickness: + or - 1/16 inch.
B. Kastone Integrally Cast Face Coat Thickness: + or - 10 mils.
C. Length: + or - 1/8 inch.
D. Variation from Square: 1/8 inch.
E. Hardware Location Variation: + or - 1/4 inch.
2.07 IDENTIFICATION
A. Identify each part with a permanent serial number.
B. Number parts to coordinate with shop drawings.
2.08 CURING AND CLEANING
A. Cure and clean components prior to shipment and remove material which may be:
1. Toxic to plant or animal life.
2. Incompatible with adjacent building materials.
2.09 ANCHORS AND FASTENERS
A. Provide anchors and fasteners and other accessories required for proper installation of fabrications as recommended and approved by fiberglass fabrication manufacturer.
PART 3 - EXECUTION
3.01 PRE-INSTALLATION EXAMINATION
A. Observe field conditions and verify that substrates are ready for installation of Kastone products.
B. Check field dimensions affecting the installation of Kastone products.
C. Verify that bearing surfaces are true and level.
D. Verify that support framing has been constructed to allow accurate placement, alignment and connection of fabrication to structure.
E. Report discrepancies between design dimensions and field dimensions, which could adversely affect installation, to the Architect.
F. Do not proceed with installation until discrepancies are corrected, or until installation requirements are modified and approved by the Architect.
G. Beginning of installation means acceptance of existing conditions.
3.02 INSTALLATION
A. Install fabrications in accordance with manufacturer’s instructions and approved shop drawings.
3.03 ALLOWABLE TOLERANCES FOR INSTALLED UNITS
A. Maximum Offset from True Alignment: 1/4 inch in 20 feet.
B. Maximum Variation from True Position: 1/2 inch in 20 feet.
3.04 CLEANING
A. Clean installed Kastone products using cleaning methods and materials approved by Kreysler & Associates.
3.05 PROTECTION OF INSTALLED FABRICATIONS
A. Comply with manufacturer’s recommendations and instructions for protecting installed fabrications during construction activities.
3.06 SCHEDULE OF FABRICATED PRODUCTS
3.07 DESCRIPTION OF COMPONENTS
DESCRIPTION FINISH TEXTURE COLOR
END OF SECTION
* Note: In some cases Kastone may be post applied in which case a post applied formulation and procedure should be specified. Contact K&A for proper description of this procedure.