MPS Master
SECTION 07 21 00
THERMAL INSULATION
PART - GENERAL
SUMMARY
Section Includes:
Provide perimeter foundation wall insulation (extruded polystyrene board insulation) at exterior foundation walls as noted on Drawings, in thickness indicated.
Provide fiberglass batt insulation where batt or blanket insulation where indicated or noted on Drawings or specified, unless otherwise noted or specified.
Where non-fire rated masonry partitions meet underside of structure, fill void solid with fiberglass batt insulation, including flutes of steel floor and roof deck.
Where non‑fire rated masonry partitions are built around structural members, to allow for dynamic deflection of structural members, fill void solid with fiberglass batt insulation. Structural members to include steel joists and beams.
Fill voids solid which are created between top flange of steel beams and flutes of steel deck when non‑fire rated masonry partitions occur beneath bottom flange of same beam. Fill void solid with fiberglass insulation when non‑fire rated masonry partitions terminate beneath steel beams.
Provide fiberglass batt insulation above exterior soffits.
Provide fiberglass batt insulation in cores of precast concrete plank where indicated.
Provide semi‑rigid fiberglass insulation in wall recess behind mechanical unit heaters.
Provide fiberglass batt insulation within cold formed steel stud framing at exterior applications as noted on Drawings.
Provide vapor retarder at exterior walls where indicated or noted on Drawings or specified.
Provide safing insulation (mineral wool insulation) at exterior walls where indicated on Drawings.
Provide polyisocyanurate board insulation at exterior masonry walls where indicated on Drawings.
SUBMITTALS
General Requirements: Provide submittals in accordance with Section 01 33 00.
Product Data: Provide Product Data for each type of product provided.
DELIVERY, STORAGE, AND HANDLING
Packing and Shipping: Deliver materials to site in manufacturer's original, unopened packaging, with identification labels intact clearly stating identity of manufacturer, contents, branch name, applicable standards, and R‑Value.
Storage and Protection: Store materials off ground and protect under a water resistant cover against weather, direct sunlight, condensation, and damage. Do not allow materials to become wet, soiled or covered with ice or snow.
Damaged Materials: Promptly remove damaged material from site.
Protection of Plastic Insulation: Do not expose to sunlight. Protect against ignition at all times. Do not deliver plastic insulating materials to site ahead of installation time. Complete installation and concealment of plastic materials as rapidly as possible in each area of work.
PART - PRODUCTS
INSULATING MATERIALS
Extruded Polystyrene Board Insulation (EXTR POLY INS):
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
Kingspan Corp., “GreenGuard CM”
Diversifoam Products, Inc., “CertiFoam 250”
The Dow Chemical Company, Construction Materials Group, “Styrofoam Square Edge”
Owens Corning, “Foamular 250”
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SECTION 07 21 00
Applicable Standard: ASTM C578, Type IV.
Physical Properties:
Density (ASTM D1622): Not less than 1.60 pcf.
Compressive Strength (ASTM D1621): Not less than 25.0 psi at yield or 10 percent deformation.
Water Absorption ‑ Volume (ASTM C272): Not more than 0.3 percent of volume.
Water Vapor Transmission (ASTM C355): Not more than 1.1 perm per inch.
Thermal Resistance (ASTM C177): Not less than 5.0 per inch at 75 degrees F, aged value.
Thickness: As indicated on Drawings.
Polyisocyanurate Board Insulation:
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
The Dow Chemical Company, “Thermax Sheathing” foil face polyiso
b. Firestone “Enverge” foil face polyiso
Description: Glass fiber reinforced polyisocyanurate foam core with solid aluminum foil facers on both sides, providing a Class A fire resistance rating without requiring a protective thermal barrier covering.
Thickness: As indicated on Drawings.
Semi-Rigid Glass Fiber Board Insulation:
Acceptable Manufacturer: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
Knauf Insulation, Insulation Board with ECOSE Technology
Owens Corning, 703 Fiberglass Semi‑Rigid Insulation Board
Applicable Standards: ASTM C612, Type 1.
Physical Properties:
Facing: Unfaced, unless indicated to have a foil face (vapor barrier) on Drawings.
Density: 3.0 pcf.
Compressive Strength: 100 psf at 10 percent deformation.
Thermal Conductivity: 0.230 at 75 degrees F mean temperature.
Thickness: As indicated on Drawings.
Size: 24 inches by 48 inches or 48 inches by 96 inches, as required.
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MPS Master
SECTION 07 21 00
Glass Fiber Batt Insulation (BATT INS):
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
Certain Teed Corp., Insulation Group, “Fiber Glass Building Insulation”
Johns Manville International, Inc., Building Insulation Division, “Unfaced Batts”
Knauf Insulation, Unfaced Batt Insulation with ECOSE Technology; Declare, Red List Free
Owens Corning, “Thermal Batt Insulation”
Description: A flexible thermal insulation composed of glass mineral fibers, processed from a molten state into fibrous form with minimum binder added.
Applicable Standards: ASTM C665, Type I, Class A (Unfaced).
Physical Requirements:
Type: Unfaced.
Surface Burning Characteristics: When tested in accordance with ASTM E84:
Flame Spread: Less Than 25
Smoke Developed: Less Than 50
Cohesion: Insulation shall be sufficiently coherent to permit transportation and installation as a unit.
Size: Manufacturer's standard sizes best suited for each installation and of thickness indicated on Drawings or as required to meet indicated R‑Value.
Formaldehyde‑Free Thermal and Acoustical Fiber Glass Insulation:
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
Johns Manville International, Inc., Building Insulation Division, Formaldehyde-Free, Thermal and Acoustical Fiber Glass Insulation “Unfaced”
Knauf Insulation, Unfaced Batt Insulation with ECOSE Technology, Declare, Red List Free
Owens Corning, EcoTouch Insulation with PureFiber Technology “Unfaced”
Description: A formaldehyde‑free flexible thermal insulation composed of glass mineral fibers, processed from a molten state into fibrous form with minimum binder added.
Applicable Standards: ASTM C665, Type I, Class A (Unfaced).
Physical Requirements:
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MPS Master
SECTION 07 21 00
Type: Unfaced.
Surface Burning Characteristics: When tested in accordance with ASTM E84:
Flame Spread: Less Than 25
Smoke Developed: Less Than 50
Cohesion: Insulation shall be sufficiently coherent to permit transportation and installation as a unit.
Size: Manufacturer's standard sizes best suited for each installation and of thickness indicated on Drawings or as required to meet indicated R‑Value.
Safing Insulation: Mineral wool insulation.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
Thermafiber Inc., "Thermafiber"
Description: 4 pcf density mineral‑fiber material.
Thickness: As indicated on Drawings.
MISCELLANEOUS MATERIALS
Vapor Retarder: 6 mil, clear polyethylene sheeting, in accordance with ASTM D4397.
Provide polyethylene tape for sealing joints and punctures in the vapor retarder.
Vapor Retarders: Meets requirements of ASTM C1136, Type I, II, III, IV, ASTM E84 and ASTM E96.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
Lamtec Corporation, “R-3035 HD, Foil/Scrim/Kraft”
Fire Retardant, Reinforced Polyethylene Vapor Retarders: (2) outer layers of polyethylene film laminated to an inner reinforcing layer consisting of either non‑woven grid of nylon cord or polyester scrim and weighing not less than 22 pounds per 1,000 square feet (10 kg; 100 sq. m), with maximum permeance rating of 0.1317 perm (7.56 ng/Pa x s x sq. m) and with flame spread and smoke developed indexes of not more than 5 and 60, respectively.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
Raven Industries Inc., DURA‑SKRIM 2FR
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MPS Master
SECTION 07 21 00
Reef Industries, Inc., Griffolyn T‑55 FR
Insulation Adhesive:
Description: Rubber‑based, solvent‑dispersed, and formulated for bonding plastic foams, without attacking foam.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
Rexnord Chemical Products, Inc., Contech Brands, Div. of BASF Building Systems, PL300 Foam Board Adhesive
King Adhesives Corporation, “Kingco KA-20”
Chicken Wire: Standard galvanized chicken wire with maximum 1‑inch hexagonal pattern.
Air Barrier:
Description: Vapor permeable and breathable airtight barrier with seams taped and sealed.
Acceptable Manufacturers:
Dow Corning: Silicone Air Barrier System
INSULATION FASTENERS
Adhesively Attached, Spindle‑Type Anchors: Plate welded to projecting spindle; capable of holding insulation of thickness indicated securely in position indicated with self‑locking washer in place; and meeting the following requirements:
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
AGM Industries, Inc., Series T TACTOO Insul‑Hangers
Eckel Industries of Canada, Stic‑Klip Type N Fasteners
Gemco, Spindle Type
Plate: Perforated galvanized carbon‑steel sheet, 0.030 inch thick by 2 inches square.
Spindle: Copper‑coated, low carbon steel, fully annealed, 0.105 inch in diameter, length to suit depth of insulation indicated.
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.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
AGM Industries, Inc., RC150
AGM Industries, Inc., SC150
Gemco, Dome‑Cap
Gemco, R‑150
Gemco, S
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MPS Master
SECTION 07 21 00
Protect ends with capped self‑locking washers incorporating a spring steel insert to ensure permanent retention of cap in the following locations:
Crawlspaces
Ceiling Plenums
Attic Spaces
Where Indicated
Insulation Stand‑Off: Spacer fabricated from galvanized mild‑steel sheet for fitting over spindle of insulation anchor to maintain air space of 3 inches between face of insulation and substrate to which anchor is attached.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
Gemco, Clutch Clip
Anchor Adhesive: Product with demonstrated capability to bond insulation anchors securely to substrates indicated without damaging insulation, fasteners, and substrates.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents, acceptable manufacturers are as follows or Owner approved equal:
AGM Industries, Inc., TACTOO Adhesive
Eckel Industries of Canada, Stic‑Klip Type S Adhesive
Gemco, Tuff Bond Hanger Adhesive
PART - EXECUTION
INSTALLATION
Installation of Perimeter Foundation Insulation:
Install perimeter foundation insulation on face of foundation walls, at perimeter of building addition(s).
Perimeter foundation insulation installed to also serve as a protection board for foundation membrane waterproofing system is specified under Section 07.
Extend insulation from underside of floor slab down to 4 feet below exterior grade elevation or to top of footing, whichever is less.
Install insulation on foundation wall using insulation adhesive.
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MPS Master
SECTION 07 21 00
Apply adhesive to insulation in 1 1/2‑inch spheres on 12‑inch centers horizontal and vertical in accordance with material manufacturer's recommendations.
Press insulation in place using rocking motion.
Abut each insulation piece against adjoining piece.
Stagger vertical joint locations.
Fit insulation closely around penetrations.
Installation of Semi-Rigid Glass Fiber Board Insulation at Recessed Unit Heaters: Wedge insulation tight at back of recess behind mechanical unit heaters recessed in masonry walls as indicated on Drawings. Attach insulation to vertical surface by using Type N, Stik‑Clips with speed washers to hold insulation in place if required.
Installation of Glass Fiber Batt Insulation: Where batt insulation is applied to a vertical surface, attach insulation using methods that will ensure insulation will remain in position.
Install glass fiber insulation to fill entire space between top of non-fire rated masonry walls and roof structure as indicated on Drawings.
Install low flame spread glass fiber batt insulation with integral vapor barrier/retarder as top layer of insulation above soffits at roof overhangs.
Installation of Vapor Retarder:
Install polyethylene sheet vapor retarder at exterior walls as noted on Drawings.
Where vapor retarder is installed over metal stud framing, secure vapor retarder to framing by using adhesive, tape, or mechanical fasteners.
Lap sheets of vapor retarder at joints and continuously seal joint using polyethylene tape.
Cover fasteners used to hold vapor retarder in place, and around other penetrations through the sheet, with polyethylene tape.
Seal punctures and tears in vapor retarder using polyethylene tape.
Installation of Air Barrier:
Install air barrier in exterior walls in location noted in Drawings.
2. Lap sheets of air barrier at joints and continuously seal joint using tape specified by manufacturer.
3. Cover fasteners used to hold air barrier in place, and around other penetrations through the sheet, with tape specified by manufacturer.
4. Seal punctures and tears in air barrier using tape specified by manufacturer.
5. If fluid applied air barrier, follow manufacturer’s instructions for continuous application of recommended thickness.
END OF SECTION
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