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HomeMy WebLinkAbout07 21 00 Thermal Insulation.DOCPEDCOR SQUARE; BUILDING 5 07 21 00 - PEDCOR SQUARE Issue Date 12.18.15 THERMAL INSULATION PEDCOR SQUARE; BUILDING 5 SECTION 07 21 00 - THERMAL INSULATION PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section Includes: 1. Foam-plastic board insulation. 2. Glass-fiber blanket insulation. 3. Mineral-wool blanket insulation. 4. Vapor retarders. B. Related Sections: 1. Section 04 20 00 "Unit Masonry" for insulation installed in cavity walls and masonry cells. 2. Section 06 16 00 "Sheathing" for gypsum board sheathing over wood or steel framing. 3. Section 071251 "SBS Modified Sheet Waterproofing." 4. Section 07 24 13 "Water-Drainage Exterior Insulation and Finish System (EIFS)" for insulation specified as part of these systems. 5. Section 07 84 43 "Fire-Resistive Joint Systems" for insulation installed as part of a perimeter fire-resistive joint system. 1.3 ACTION SUBMITTALS A. Product Data: For each type of product indicated. 1.4 INFORMATIONAL SUBMITTALS A. Product Test Reports: Based on evaluation of comprehensive tests performed by a qualified testing agency, for each product. B. Research/Evaluation Reports: For foam-plastic insulation, from ICC-ES. 1.5 QUALITY ASSURANCE A. Surface-Burning Characteristics: As determined by testing identical products according to ASTM E 84 by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. PEDCOR SQUARE; BUILDING 5 07 21 00 - PEDCOR SQUARE Issue Date 12.18.15 THERMAL INSULATION PEDCOR SQUARE; BUILDING 5 1.6 DELIVERY, STORAGE, AND HANDLING A. Protect insulation materials from physical damage and from deterioration due to moisture, soiling, and other sources. Store inside and in a dry location. Comply with manufacturer's written instructions for handling, storing, and protecting during installation. B. Protect foam-plastic board insulation as follows: 1. Do not expose to sunlight except to necessary extent for period of installation and concealment. 2. Protect against ignition at all times. Do not deliver foam-plastic board materials to Project site before installation time. 3. Quickly complete installation and concealment of foam-plastic board insulation in each area of construction. PART 2 - PRODUCTS 2.1 FOAM-PLASTIC BOARD INSULATION A. Extruded-Polystyrene Board Insulation: ASTM C 578, of type and minimum compressive strength indicated below, with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, per ASTM E 84. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. DiversiFoam Products. b. Dow Chemical Company (The). c. Owens Corning. d. Pactiv Building Products. 2. Type IV, 25 psi. B. Unfaced Wall Insulation Drainage Panels: Extruded-polystyrene board insulation complying with ASTM C 578, Type IV, 25-psi minimum compressive strength; unfaced; fabricated with shiplap or channel edges and with one side having grooved drainage channels. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. DiversiFoam Products. b. Dow Chemical Company (The). c. Pactiv Building Products. C. Foil-Faced, Polyisocyanurate Board Insulation: ASTM C 1289, Type I, Class 1, with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, per ASTM E 84. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following: a. Atlas Roofing Corporation. b. Dow Chemical Company (The). c. Rmax, Inc. D. Adhesive for Bonding Insulation: Product with demonstrated capability to bond insulation securely to substrates without damaging insulation and substrates. PEDCOR SQUARE; BUILDING 5 07 21 00 - PEDCOR SQUARE Issue Date 12.18.15 THERMAL INSULATION PEDCOR SQUARE; BUILDING 5 2.2 GLASS-FIBER BLANKET INSULATION A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. CertainTeed Corporation. 2. Guardian Building Products, Inc. 3. Johns Manville. 4. Knauf Insulation. 5. Owens Corning. B. Recycled Content: Post-consumer recycled content plus one-half of pre-consumer recycled content not less than 25 percent. C. Unfaced, Glass-Fiber Blanket Insulation: ASTM C 665, Type I; with maximum flame-spread and smoke-developed indexes of 25 and 50, respectively, per ASTM E 84; passing ASTM E 136 for combustion characteristics. D. Kraft-Faced, Glass-Fiber Blanket Insulation: ASTM C 665, Type II (non-reflective faced), Class C (faced surface not rated for flame propagation); Category 1 (membrane is a vapor barrier). E. Eave Ventilation Troughs: Preformed, rigid fiberboard or plastic sheets designed and sized to fit between roof framing members and to provide cross ventilation between insulated attic spaces and vented eaves. F. Sustainability Requirements: Provide glass-fiber blanket insulation as follows: 1. Free of Formaldehyde: Insulation manufactured with 100 percent acrylic binders and no formaldehyde. 2. Low Emitting: Insulation tested according to ASTM D 5116 and shown to emit less than 0.05-ppm formaldehyde. 2.3 MINERAL-WOOL BLANKET INSULATION A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: 1. Fibrex Insulations Inc. 2. Owens Corning. 3. Thermafiber. B. Recycled Content: Post-consumer recycled content plus one-half of pre-consumer recycled content not less than 25 percent. C. Unfaced, Mineral-Wool Blanket Insulation: ASTM C 665, Type I (blankets without membrane facing); consisting of fibers; with maximum flame-spread and smoke-developed indexes of 25 and 50, respectively, per ASTM E 84; passing ASTM E 136 for combustion characteristics. 2.4 VAPOR RETARDERS A. Polyethylene Vapor Retarders: ASTM D 4397, 10 mils thick, with maximum permeance rating of 0.13 perms. PEDCOR SQUARE; BUILDING 5 07 21 00 - PEDCOR SQUARE Issue Date 12.18.15 THERMAL INSULATION PEDCOR SQUARE; BUILDING 5 B. Vapor-Retarder Tape: Pressure-sensitive tape of type recommended by vapor-retarder manufacturer for sealing joints and penetrations in vapor retarder. C. Single-Component Non-sag Urethane Sealant: ASTM C 920, Type I, Grade NS, Class 25, use NT related to exposure, and Use O related to vapor-barrier-related substrates. D. Adhesive for Vapor Retarders: Product recommended by vapor-retarder manufacturer and has demonstrated capability to bond vapor retarders securely to substrates indicated. 2.5 INSULATION FASTENERS A. Adhesively Attached, Spindle-Type Anchors: Plate welded to projecting spindle; capable of holding insulation of specified thickness securely in position indicated with self-locking washer in place. 1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following: a. AGM Industries, Inc.; Series T TACTOO Insul-Hangers. b. Gemco; Spindle Type. 2. Plate: Perforated, galvanized carbon-steel sheet, 0.030 inch thick by 2 inches square. 3. Spindle: Copper-coated, low-carbon steel; fully annealed; 0.105 inch in diameter; length to suit depth of insulation indicated. B. Insulation-Retaining Washers: Self-locking washers formed from 0.016-inch- thick galvanized- steel sheet, with beveled edge for increased stiffness, sized as required to hold insulation securely in place, but not less than 1-1/2 inches square or in diameter. 1. Products: Subject to compliance with requirements, provide one of the following: a. AGM Industries, Inc.; RC150. b. Gemco; R-150. 2. Protect ends with capped self-locking washers incorporating a spring steel insert to ensure permanent retention of cap in the following locations: a. Crawl spaces. b. Ceiling plenums. c. Attic spaces. d. Where indicated. C. Insulation Standoff: Spacer fabricated from galvanized mild-steel sheet for fitting over spindle of insulation anchor to maintain air space of 1 inch between face of insulation and substrate to which anchor is attached. 1. Products: Subject to compliance with requirements, provide the following: a. Gemco; Clutch Clip. D. Anchor Adhesive: Product with demonstrated capability to bond insulation anchors securely to substrates indicated without damaging insulation, fasteners, and substrates. 1. Products: Subject to compliance with requirements, provide one of the following: a. AGM Industries, Inc.; TACTOO Adhesive. b. Gemco; Tuff Bond Hanger Adhesive. PEDCOR SQUARE; BUILDING 5 07 21 00 - PEDCOR SQUARE Issue Date 12.18.15 THERMAL INSULATION PEDCOR SQUARE; BUILDING 5 PART 3 - EXECUTION 3.1 PREPARATION A. Clean substrates of substances that are harmful to insulation or vapor retarders, including removing projections capable of puncturing vapor retarders, or that interfere with insulation attachment. 3.2 INSTALLATION, GENERAL A. Comply with insulation manufacturer's written instructions applicable to products and applications indicated. B. Install insulation that is undamaged, dry, and unsoiled and that has not been left exposed to ice, rain, or snow at any time. C. Extend insulation to envelop entire area to be insulated. Cut and fit tightly around obstructions and fill voids with insulation. Remove projections that interfere with placement. D. Provide sizes to fit applications indicated and selected from manufacturer's standard thicknesses, widths, and lengths. Apply single layer of insulation units to produce thickness indicated unless multiple layers are otherwise shown or required to make up total thickness. 3.3 INSTALLATION OF BELOW-GRADE INSULATION A. On vertical surfaces, set insulation units using manufacturer's recommended adhesive according to manufacturer's written instructions. 1. If not otherwise indicated, extend insulation a minimum of 24 inches below exterior grade line. B. On horizontal surfaces, loosely lay insulation units according to manufacturer's written instructions. Stagger end joints and tightly abut insulation units. 1. If not otherwise indicated, extend insulation a minimum of 24 inches in from exterior walls. 3.4 INSTALLATION OF CAVITY-WALL INSULATION A. Foam-Plastic Board Insulation: Install pads of adhesive spaced approximately 24 inches o.c. both ways on inside face, and as recommended by manufacturer. Fit courses of insulation between wall ties and other obstructions, with edges butted tightly in both directions. Press units firmly against inside substrates. 1. Supplement adhesive attachment of insulation by securing boards with two-piece wall ties designed for this purpose and specified in Section 04 20 00 "Unit Masonry." PEDCOR SQUARE; BUILDING 5 07 21 00 - PEDCOR SQUARE Issue Date 12.18.15 THERMAL INSULATION PEDCOR SQUARE; BUILDING 5 3.5 INSTALLATION OF INSULATION FOR FRAMED CONSTRUCTION A. Apply insulation units to substrates by method indicated, complying with manufacturer's written instructions. If no specific method is indicated, bond units to substrate with adhesive or use mechanical anchorage to provide permanent placement and support of units. B. Foam-Plastic Board Insulation: Seal joints between units by applying adhesive, mastic, or sealant to edges of each unit to form a tight seal as units are shoved into place. Fill voids in completed installation with adhesive, mastic, or sealant as recommended by insulation manufacturer. C. Glass-Fiber or Mineral-Wool Blanket Insulation: Install in cavities formed by framing members according to the following requirements: 1. Use insulation widths and lengths that fill the cavities formed by framing members. If more than one length is required to fill the cavities, provide lengths that will produce a snug fit between ends. 2. Place insulation in cavities formed by framing members to produce a friction fit between edges of insulation and adjoining framing members. 3. Maintain 3-inch clearance of insulation around recessed lighting fixtures not rated for or protected from contact with insulation. 4. Install eave ventilation troughs between roof framing members in insulated attic spaces at vented eaves. 5. For wood-framed construction, install blankets according to ASTM C 1320 and as follows: a. With faced blankets having stapling flanges, secure insulation by inset, stapling flanges to sides of framing members. b. With faced blankets having stapling flanges, lap blanket flange over flange of adjacent blanket to maintain continuity of vapor retarder once finish material is installed over it. D. Miscellaneous Voids: Install insulation in miscellaneous voids and cavity spaces where required to prevent gaps in insulation. 3.6 INSTALLATION OF INSULATION IN CEILINGS FOR SOUND ATTENUATION A. Where glass-fiber blankets are indicated for sound attenuation above ceilings, install blanket insulation over entire ceiling area in thicknesses indicated. Extend insulation 48 inches up either side of partitions. 3.7 INSTALLATION OF INSULATION FOR CONCRETE SUBSTRATES A. Install board insulation on concrete substrates by adhesively attached, spindle-type insulation anchors as follows: 1. Fasten insulation anchors to concrete substrates with insulation anchor adhesive according to anchor manufacturer's written instructions. Space anchors according to insulation manufacturer's written instructions for insulation type, thickness, and application indicated. 2. Apply insulation standoffs to each spindle to create cavity width indicated between concrete substrate and insulation. 3. After adhesive has dried, install board insulation by pressing insulation into position over spindles and securing it tightly in place with insulation-retaining washers, taking care not to compress insulation below indicated thickness. PEDCOR SQUARE; BUILDING 5 07 21 00 - PEDCOR SQUARE Issue Date 12.18.15 THERMAL INSULATION PEDCOR SQUARE; BUILDING 5 4. Where insulation will not be covered by other building materials, apply capped washers to tips of spindles. 3.8 INSTALLATION OF VAPOR RETARDERS A. Place vapor retarders on side of construction indicated on Drawings. Extend vapor retarders to extremities of areas to protect from vapor transmission. Secure vapor retarders in place with adhesives or other anchorage system as indicated. Extend vapor retarders to cover miscellaneous voids in insulated substrates, including those filled with loose-fiber insulation. B. Seal vertical joints in vapor retarders over framing by lapping no fewer than two studs. 1. Fasten vapor retarders to wood framing at top, end, and bottom edges; at perimeter of wall openings; and at lap joints. Space fasteners 16 inches o.c. 2. Locate all joints over framing members or other solid substrates. 3. Firmly attach vapor retarders to solid substrates with vapor-retarder fasteners as recommended by vapor-retarder manufacturer. C. Seal joints caused by pipes, conduits, electrical boxes, and similar items penetrating vapor retarders with vapor-retarder tape to create an airtight seal between penetrating objects and vapor retarders. D. Repair tears or punctures in vapor retarders immediately before concealment by other work. Cover with vapor-retarder tape or another layer of vapor retarders. 3.9 PROTECTION A. Protect installed insulation and vapor retarders from damage due to harmful weather exposures, physical abuse, and other causes. Provide temporary coverings or enclosures where insulation is subject to abuse and cannot be concealed and protected by permanent construction immediately after installation. END OF SECTION 07 21 00