GAF

FlexSeal Sealant SDS

Safety Data Sheet for GAF FlexSeal Sealant, revised 2022-07-01.

Open the full SDS (PDF)

Hazards

• Highly flammable liquid and vapor.
• Causes serious eye irritation or damage.
• May cause respiratory irritation.
• Harmful if inhaled.
• Harmful in contact with skin.
• May be fatal if swallowed or enters airways.
• Suspected of causing cancer.
• May cause damage to organs through prolonged or repeated exposure.
• Suspecting of damaging fertility or the unborn child.
• May cause genetic defects.
• May cause drowsiness or dizziness.
• Harmful to aquatic life with long lasting effects.

Protective equipment

• Use a properly fitted, air-purifying or air-fed respirator complying with an approved standard if a risk assessment indicates this is necessary.
• Safety goggles or safety glasses with side shields.
• Wear appropriate impermeable gloves and protective clothing as necessary to prevent skin contact.

First aid

• Eyes: Flush eyes immediately with water for 15 minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a physician.
• Skin: Remove contaminated clothes. Wash exposed areas with soap and water. If redness or swelling develops, seek medical assistance. Wash clothing separately before reuse. Destroy or thoroughly clean contaminated shoes.
• Swallowed: Rinse mouth thoroughly. Do not induce vomiting without advice from poison control center. Do not give mouth-to-mouth resuscitation. If vomiting occurs, keep head low so that stomach content does not get into the lungs. Never give anything by mouth to a victim who is unconscious or is having convulsions. Get medical attention immediately.
• Breathing it in: Remove to fresh air. If breathing has stopped, give artificial respiration. Call a physician.

Fire

Use water spray, water fog, CO2, dry chemical powder, or foam. Self-contained breathing apparatus recommended. Use water spray to cool unopened containers. Do not use a solid water stream as it may scatter and spread fire.

Spills

Eliminate all ignition sources. Dam up area to prevent spreading. Soak up with non-combustible material such as vermiculite, sand or earth and place into a container for later disposal. Cover with plastic sheet. Prevent product from entering drains or groundwater.

Summary taken from the SDS and checked by IDSDS. The full SDS is the official document.