Division Seven
Moisture and Thermal Protection
Section 0720
Building Insulation
Short Form
All spray applied insulation as shown on drawings or specified herein shall be the CORBOND® Performance Insulation System as manufactured by Corbond Corporation of Bozeman, Montana.
CORBOND® shall be installed by technicians in accordance with manufacturer's instructions.
Standard Form
I. GENERAL
A. Related documents: The general provisions of the contract, and all codes and standards referenced.
B. Description of the Work:
1. The extent of CORBOND® insulation is shown on the drawings.
2. The applications of CORBOND® include the following:
| a. |
Rigid spray-in-place perimeter floor header (box sill, rim joist) insulation.
(Thermal barrier requirement exception at floor header for class 1,1.5-2.0 lb. spray foam when applied at 3.25 thickness or less per IBC/IRC). |
| |
|
|
| b. |
Rigid spray-in-place crawl space perimeter insulation |
| |
|
|
| c. |
Rigid spray-in-place perimeter wall insulation |
| |
|
|
| d. |
Rigid spray-in-place ceiling/roof insulation |
3. Quality assurance:
| a. |
Spray-on Thermal Barrier: Division 7 (071). |
| |
|
|
| b. |
Spray-on Ignition Barrier IRC. |
| |
|
|
| c. |
Gypsum Drywall System: Division 9 (092000). |
4. Quality assurance:
| a. |
Thermal Conductivity: K=.147 (ASTM-C-518). |
| |
|
|
| b. |
R-Factor = 6.8 per inch. |
| |
|
|
| c. |
Density = 2.0 lbs/cu ft. in-place (ASTM D-1622). |
| |
|
|
| d. |
Permeance = .80 at 2.5 inch thickness (ASTM-E-96). |
| |
|
|
| e. |
Surface Burning Characteristics: Class I (ASTM-E-84-91a). **Flame Spread < 25, Smoke Density < 450.
**Warning: Polyurethane foam products may present an unreasonable fire risk unless protected by an approved thermal barrier with a finish rating of not less than 15 minutes. |
| |
|
|
| f. |
Satisfies IRC Section R314.1.1 and Independent 3rd Party labeling requirements of UBC Section 2602.3, BOCA Section 2603.2, and SBCCI Section 2603.1.2. |
| |
|
|
| g. |
Recognizable lavender trademark color. |
5. Product handling:
| a. |
Do not store in direct sunlight. Keep drums covered. Empty container disposal by technicians in accordance with current law and industry standard practice. |
| |
|
|
| b. |
Store raw materials at 60°F to 70°F. |
| |
|
|
| c. |
Fire hazard class of raw material stored on site: Combustible liquid, Class 3B. |
| |
|
|
| d. |
Transportation Class 55, NOIBN, Non-Hazardous. |
| |
|
|
| e. |
WARNING: Breathing hazard during application of insulation materials. Do not enter without proper respiratory protection. No smoking or open flame. |
| |
|
|
| f. |
Process materials in accordance with CORBOND® published Technical data. |
6. Job conditions:
| a. |
Examination of substrate: Technicians will examine the substrate and conditions under which the spray insulation work is to be performed, and notify the contractor in writing of any unsatisfactory conditions, such as: |
| |
|
|
| |
1. |
Excessive dirt or oil on substrate. |
| |
2. |
Excessive moisture present as dampness, dew, frost, or water. |
| |
3. |
Substrate temperatures outside applicable limits. |
| |
|
|
| b. |
Cover tools and work of other trades as required to prevent damage from overspray. |
| |
|
|
| c. |
Do not weld or torch near CORBOND®. Cover as soon as possible with subsequent work. |
II. PRODUCTS
A. Materials
| 1. |
Crawlspace perimeter and floor header (box sill, rim joist) insulation: CORBOND® Performance Insulation System installed to thickness shown on plans and drawings. |
| |
|
| 2. |
Rigid Perimeter Wall Insulation: CORBOND® Performance Insulation System installed to thickness as shown on plans and drawings. |
| |
|
| 3. |
Rigid Ceiling/Roof Insulation: CORBOND® Performance Insulation System installed to thickness shown on plans and drawings. |
III. EXECUTION
A. Installation
| 1. |
Installation of the CORBOND® Performance Insulation System is performed by technicians familiar with the processing of two component polyurethane foams and in complete accord with application instructions provided by the manufacturer. These technicians employ equipment with preset component ratio and electronically controlled heat input to assure in-place consistency of finished product and performance. Contact CORBOND® Corporation, Bozeman, Montana, (888) 949-9089 or direct at (406) 586-4585. |
|
|
|
