International Bildrite, Inc. • 101 4th Street East • International Falls, MN 56649 • Phone: 218.283.3900 • Fax: 218.283.3905

SECTION I - Product Identification

Trade Name: 25/32" BildRite Sheathing
Synonyms: Fiberboard Sheathing

SECTION II - Ingredients

CAS Number
Wood fibers

SECTION III - Physical Data

Boiling Point: N/A Specific Gravity: N/A
Vapor Pressure: N/A Percent Volatile: N/A
Vapor Density: N/A Evaporation Rates: N/A
Solubility in Water: N/A Appearance/Odors: Brown/None

SECTION IV - Fire and Explosion Data

Flash Point (Method): N/A
Flammable Limits: N/A
Extinguishing Media: Water Fog
Special Fire Fighting Procedures: N/A
Other Comments: Smolders

SECTION V - Health Hazard Data

A) Wood Dust

Primary routes of exposures: Caused by mechanical cutting or abrasive processes performed on wood substances.

Eye Contact - Wood dust can cause eye irritation.
Inhalation - May cause nasal dryness, irritation and obstruction; coughing, wheezing and sneezing; Sinusitis and prolonged colds have also been reported.

Signs and symptoms of over exposure:

  Acute - Temporary irritation of nose and eyes.
Chronic - Wood dust, depending on species, may cause Dermatitis upon prolonged, repetitive contact; may cause Respiratory sensitization and/or irritations. International Agency for Research on Cancer (IARC) classifies wood dust as a carcinogen to humans. This classification is based primarily on IARC's evaluation of increased rash in the occurrence of Aden carcinomas of the nasal cavities and para nasal sinuses associated with exposure to wood dust.

Aggravated Medical Conditions: Respiratory

Emergency and First Aid Procedures:

Remove to fresh air. If persistent irritation, get medical attention.
Eyes and Skin: Flush with fresh water. If irritation persists, get medical attention.

B) Asphalt Granules

Primary routes of exposure:
a. Eye contact
b. Skin contact

Signs and symptoms of overexposure:

Acute -
Temporary irritation of skin and eyes.
Chronic - Asphalt granules contain polynuclear aromatic compounds, some of which are cancer causing agents. When handling this product, good industrial hygiene practices should be followed to minimize exposures.

SECTION VI - Reactivity Data


Conditions to Avoid: None Known
Incompatibilities: None Known
Hazardous decomposition products: None Known

SECTION VII - Spill and Leak Procedures

Steps to be taken if material is released or spilled: N/A
Disposal method: N/A

SECTION VIII - Special Protection Information

Ventilation: Provide adequate general and local exhaust ventilation to maintain healthful working conditions.

Wear goggles or safety glasses. Other protective equipment such as gloves and approved dust respirators may be needed depending upon dust conditions.

SECTION IX - Special Precautions

1. Avoid eye contact
2. Avoid prolonged or repeated breathing of wood dust in the air
3. Avoid open flames

Disclaimer of expressed and implied warrantees: The above information is the best available. No warranty or merchantability, fitness for any particular purpose, or any other warranty is expressed or is to be implied regarding the accuracy or completeness of this information, the results to be obtained from the use of this information or the product, the safety of this product, or the hazards related to its use. This information and product are furnished on the condition that the person receiving them shall make his/her own determination as to the suitability of the product of his/her particular purpose and on the condition that he/she assume the risk of his/her use thereof.

*+5% by Weight
N/E = Not Established
N/A = Not Applicable