Chrysotile Asbestos Fibers

Asbestos roofing materials were used in the past, asbestos fibers were added during the construction of roofing materials to add strengthen and increase durability. By adding asbestos during the manufacturing of roofing materials it also adds some fireproofing.

Step by Step

It is important to follow the instruction provided and use safety gear for your safety.

Equipment

The following equipment is required:

1. Shaving Foam

2. Knife

3. Flathead Screwdriver

4. Ziplock-type plastic sandwich bag

5. Paper

6. Pen

Sample Site Selection

1. A sample can be collected from any location on the roof that appears to be a homologous part of the roof. If variations in the appearance of the roofing are present then each different area of the roof should be sampled.

Collecting the Sample

1. The shaving foam can be used to minimize dusting at the sample site. Simply deposit a small quantity of foam along the cut-lines for the sample before cutting the sample.

2. At least 1 square inch piece of roofing should be collected.

3. The roofing should be sampled through all layers of shingle, tar (asphalt), and paper. More shaving foam can be applied to whenever dusting is a concern, including during the removal process below (step 4).

4. The flathead screwdriver may be needed to remove the sample from the substrate.

5. Place the roofing sample in the plastic bag.

6. Seal the plastic bag.

7. Write the location of the sample on a piece of paper and deposit the sample bag and the piece of paper in a second plastic bag.

Contact | Privacy | Terms of Use

All Information and images contained within may not be copied or reproduced without written permission of MicrolabNW. Some information contained herein has been obtained from sources deemed reliable but not guaranteed.