(1) TB 93 - Thermo-Gel Fire Blocking Gel Flashcards

1
Q

Thermo-Gel produces a bubble of water surrounded by a _______.

A

polymer shell

(Being filled with water instead of air, the bubble can absorb far more latent heat than compressed air foams.)

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2
Q

Thermo-Gel can be expected to remain in place from ____ to ____ hours.

A

6 to 36 hrs

(the Thermo-Gel coating dries in place and can be rehydrated with a fine mist.)

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3
Q

Is thermo-gel toxic?

A

No

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4
Q

Thermo-Gel’s ability to coat and cling to vertical surfaces makes it ideally suited for ________.

A

exposure protection.

(DIRECT fire attack SHOULD NOT be made with Thermo-Gel.)

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5
Q

When deciding whether or not to use Thermo-Gel, Company Commanders must consider:

A

-set up time

-application characteristics of Thermo-Gel

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6
Q

How many one gallon containers of Thermo-Gel shall companies carry on the apparatus?

A

4

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7
Q

When the probability of brush fires increases (i.e., extreme or red flag rating) companies shall carry 2 additional cases of Thermo-Gel on the apparatus bringing the total product carried to _______ 1-Gallon containers.

A

12

(Each case carries 4 thermo-gel containers)

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8
Q

The following equipment is provided to dispense Thermo- Gel from the one-gallon container:

A
  1. One-gallon container
  2. Spray tip
  3. Eductor
  4. Shut-off
  5. 1” to 1½ ” increaser
  6. Plastic pick-up tube with check valve and metering device
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9
Q

When applying Thermo-Gel:

-start with the roof and then the vertical surfaces

-Always operate from a ladder when coating roof areas. Do not walk on roofs that are coated with Thermo-Gel (slippery slime).

-Coat the object until white. Coating should be applied to a _____ inch thickness

A

1/4”

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10
Q

Thermo-Gel should only be dispensed from the one-gallon container.

Mixing Thermo- Gel in the apparatus water tank will result in a thick mixture that will _____ the pump.

A

clog

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11
Q

The one-gallon container of Thermo-Gel will cover approximately ____ to _____ square feet.

A

500-700

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12
Q

Cleaning of the Thermo-Gel appliance should not be delayed more than ____ hours because of Thermo-Gel’s tendency to gel in the appliance.

A

12 hours

(Soaking the parts in warm/hot water will assist in the cleaning.)

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13
Q

If Thermo-Gel dries out before the fire approaches, apply water in a ______ to rehydrate the product.

A

fine mist

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14
Q

Removal of Thermo-Gel from Exposures:

A

-Wash off with water

-If product dried out, apply water followed by pressure washing (potential damage to surfaces from pressure washing)

-Stiff bristle brush can be used on dried gel. (MUST be done WITHIN 24-48 hours)

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15
Q

Thermo-Gel has the consistency of a thick latex paint and must be inverted and shaken to keep it from settling at the bottom of the container.

Before use, handshake for ______ minutes.

A

2 mins

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16
Q

General Maintenance for Thermo-Gel:

A

Weekly: shake containers on apparatus

Monthly: Exchange containers in storage with those on apparatus.

Every 6 months: Shake each container assigned to station with battalion issued shaker for 5 MINUTES.

17
Q

How shall Thermo-Gel containers be stored on the apparatus and in the fire station?

A

On their side, if possible

(Keeps product from settling on bottom of container)

18
Q

Do not get any _____ inside the Thermo-Gel container.

A

-Water

(One drop of water that has reacted with the gel has the potential to clog the metering valve.)

19
Q

It is recommended that during the application of Thermo-Gel, firefighters work in pairs. The firefighter who is not applying Thermo-Gel should assist by?

A

Checking for coverage

20
Q

Thermo-Gel provides a high level of protection from:

A

-RADIANT heat

-flying EMBERS

-direct flame IMPINGEMENT

21
Q

What is the shelf life of Thermo-Gel?

A

There is NO stated shelf life for this product