07_22_16_-_Roof_Board_Insulation.pdf

Cannon Air Force Base Roof Board Insulation April 30, 2013 27 SOCES/CEP 07 22 16 Page 1 of 3

ROOFING IDIQ

SECTION 07 22 16

ROOF BOARD INSULATION

PART 1 GENERAL

1.1 SECTION INCLUDES

A. HCFC FREE Polyisocyanurate Rigid board type roof insulation(s) for thermal protection as part of roofing assemblies.

B. Recover board Polyiso roof insulation.

C. Roofing crickets.

1.2 REFERENCES

ASTM C 1289 - Standard Specification for Faced Rigid Cellular Polyisocyanurate Insulation Board.

ASTM D 312 - Standard Specification for Asphalt Used in Roofing.

ASTM E 108 - Standard Test Methods for Fire Tests of Roof Coverings.

ASTM E 119 - Standard Test Methods for Fire Tests of Building Construction and Materials.

ASHRAE, 2010

Energy Star 2.1FM 4450 - Approval Standard - Class I Insulated Steel Roof Decks.

FM 4470 - Approval Standard - Class I Roof Covers.

LTTR – Long Term Thermal Resistance predicted by CAN/ULC-S770-03.

UL 263 - Fire Tests of Building Construction and Materials.

UL 790 - Standard Test Methods for Fire Tests of Roof Coverings.

UL 1256 - Fire Test of Roof Deck Constructions.

ASTM E 2114-01 – Standard Terminology for Sustainability Relative to the Performance of Buildings.

ASTME 2129 –01 – Standard Practice for Data Collection for Sustainability Assessment of Building Products.

1.3 DEFINITIONS

A. LTTR (Long Term Thermal Resistance): is defined as using techniques from ASTM C1303 or CAN/ULC-S770, the predicted R-Value that has been shown to be equivalent to the average performance of a permeably faced foam insulation product over 15 years. LTTR applies to ALL foam insulation products with blowing agents other than air, such as polyiso, extruded polystyrene and polyurethane. The new method is based on consensus standards in the US and Canada.

1.4 SUBMITTALS

Product Data:

Manufacturer´s specifications.

Installation instructions for insulation board and fasteners.

Product Data as per ASTM 2129 – 01 Standard for Data Collection for Sustainability.

Samples:

Submit 6 by 6 inch (152 by 152 mm) samples of each board type required.

Submit samples of each fastener type required.

Shop Drawings: Roof plan showing layout of boards and fastening patterns.

27 SOCES/CEP 07 22 16 Page 2 of 3

Certificates: System Manufacturer’s or insulation manufacturer’s certification that the insulation meets Zero ODP (Ozone Depletion Potential) and Zero GWP (Global Warming Potential) specification requirements.

Thermal Warranty: Submit sample warranty indicating conditions and limitations.

1.5 DELIVERY, STORAGE AND HANDLING

A. Deliver insulation in packages labeled with material name, thermal value and product code.

B. When stored outdoors, stack insulation on pallets above ground or roof deck and cover with tarpaulin or other suitable waterproof coverings. Slit or remove manufacturer´s packaging before covering with waterproof covering.

1.6 PROJECT CONDITIONS

A. Do not install insulation on roof deck when water of any type is present. Do not apply roofing materials when substrate is damp or wet.

PART 2 PRODUCTS

1.7 MATERIALS

A. Closed-cell HCFC FREE “Green” Polyisocyanurate foam core manufactured using blowing agent and integrally laminated to heavy non- asphaltic fiber-reinforced felt facers.

B. Wind Resistance: FM 1-90 winds uplift classification.

C. Compressive strength: 20 psi.

1.8 ACCEPTABLE MANUFACTURERS

A. Atlas Roofing Corporation.

B. Other manufacturers capable of meeting the requirements of this section will be considered.

PART 3 EXECUTION

1.9 EXAMINATION

A. Examine roof deck for suitability to receive insulation. Verify that substrate is dry, clean and free of foreign material that will damage insulation or impede installation.

B. Verify that roof drains, scuppers, roof curbs, nailers, equipment supports, vents and other roof accessories are secured properly and installed in conformance with Contract Drawings and submittals.

C. Verify that deck is structurally sound to support installers, materials and equipment without damaging or deforming work.

1. Start of installation indicates installer accepts conditions of existing deck surfaces.

1.10 APPLICATION

A. Install recover board, gypsum board or OSB wood sheathing if required to provide an acceptable substrate or to achieve any required fire rating.

B. Install insulation boards in layers to provide an average minimum R-30 insulating value.

1. Incorporate vapor retarder if determined to be necessary by the roof system installer based on dew point analysis.

2. If necessary to achieve 1/2 inch per foot typical slope and 1/4 inch at valleys, provide tapered insulation top layer.

C. Install specified insulation using approved mechanical fasteners for the first layer of insulation. For subsequent layers, use hot asphalt or other adhesives in accordance with manufacturer´s latest written instructions.

27 SOCES/CEP 07 22 16 Page 3 of 3

D. Install with end joints staggered to avoid having insulation joints coinciding with joints in deck. In multi-layer installations, stagger joints in top and bottom layers.

1.11 CLEANING AND PROTECTION

A. Remove trash and construction debris from insulation surface prior to application of roofing membrane.

B. Do not leave installed insulation exposed to weather. Cover and waterproof with completed roof system immediately after installation.

C. Temporarily seal exposed insulation edges at the end of each day.

D. Remove and replace installed insulation that has become wet or damaged with new insulation.

E. Protect installed insulation and roof cover from traffic by use of protective covering materials during and after installation.

END OF SECTION