Installation Guide
 44 
Effective date: 5/28/04 
Supersedes: n/a 
Product:  Polyurethane siding panels and accessories 
Product Use:  Exterior and interior siding product 
Distributor:  NextStone™  
    P.O. Box 39914 
    Denver, Co. 80239-0914 
    (303) 371-8232 
    (303)371-8296 (fax) 
    www.NextStone™.com 
Section 2: COMPOSITION INFORMATION ON INGREDIENTS: 
*No Hazardous Ingredients* 
These rigid urethane panels are manufactured from polyurethane, inert fillers, process aids, waxes, colorants and 
fire retardants. 
Section 3: PHYSICAL / CHEMICAL CHARACTERISTICS: 
Appearance and Odor:  Solid, odorless panel, various colors 
Boiling Point (degrees Fahrenheit):  Not applicable   
Vapor Pressure:  Solid, Not applicable 
Percent Volatile by Volume:  0 
Solubility in Water:  0 
Specific Gravity (water = 1):  .6 
Melting Point (degrees Fahrenheit):  Not applicable 
Evaporation Rate (butyl acetate):  Not applicable 
Section 4:  FIRE AND EXPLOSION DATA: 
Flash Point:    Not applicable 
Auto-ignition temperature:    500 degrees Fahrenheit 
Extinguishing Media:  Water, CO2, or sand 
Special Procedures:  Firefighters and others who may be exposed to products of combustion should 
wear full protective clothing including self-contained breathing apparatus. 
. 
Section 1: PRODUCT AND COMPANY IDENTIFICATION: 
Component:  % Weight  Case No. 
Polyurethane 
(rigid) 
94.8%  None Assigned 
Proprietary Ingredients  5.1%  n/a (non hazardous) 
Material Safety 
Data Sheet 










