ASTM C1186 PDF

More C This specification does not apply to asbestos-cement flat sheets, gypsum-based boards or particle boards, discrete non-asbestos fiber-cement interior substrate sheets, fiber-mat reinforced non-asbestos cement interior substrate sheets, or cement-bonded particleboards. Flat sheets covered here are divided into two types according to their intended application, and four grades according to their flexural strengths. Type A sheets are intended for exterior applications subjected to the direct action of sun, rain, or snow, while Type B sheets are intended for exterior applications not subjected to the direct action of sun, rain, or snow.

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Surface Burning Characteristics Warm Water Resistance June 18, Report No. Intertek has conducted physical testing on a fiber-cement panel product for Cement Board Fabricators, Inc. This evaluation was completed during the months of April to June Samples were not independently selected for testing. Five 5 panels were measured for length, width, thickness, squareness, and edge straightness. Each specimen was weighed under water after being immersed for 48 hours.

The saturated weight in air was then measured and the dry mass was obtained by drying each specimen to constant weight in an oven at 4F 90 2C. Five 5 specimens in both the machine and cross direction were prepared for testing. Sample dimensions measured 12 in. The specimens were simply supported over a span of 10 in. Specimens were tested both in the dry and wet condition. Sample dimensions measured 3 in. After conditioning, each specimen was measured for length to the nearest 0.

Each specimen was once again measured and recorded. Five 5 specimens, measuring 4 in. After drying, the specimens were cooled in a desiccator and weighed to the nearest 0. The specimens were then immersed in distilled water at 73 4F 23 2C for 48 8 hours. At the end of this period, each specimen was carefully blotted dry, and then weighed again. After equilibrium conditioning, the specimens were weighed to an accuracy of 0.

They were then dried to constant weight in an oven operating at 4F 90 2C. The moisture content was calculated as follows: Cement Board Fabricators, Inc. Three 3 specimens, measuring 20 in. The samples were sealed around the perimeter with a waterproof frame and then filled with water to a height of 2 in. After 24 hours of exposure, the specimens were visually examined for any formation of liquid water on the underside of the sheet.

A minimum of five 5 specimens in both the machine and cross direction, each measuring 12 in. The material was initially immersed in water at a temperature of 41F 5C for a minimum of 48 hours. The specimens were then packaged individually into 8 mils 0. Thawing to 68 4F 20 2C during a time of be tween 1 and 2 hours, then holding at this temperature for 1 hour.

At the completion of 50 cycles, a visual examination was performed to check for signs of cracking, delamination, or other physical changes. Prepared specimens of the examined material were later subjected to flexural testing. Five 5 specimens in both the machine and cross direction, each measuring 12 in. The material was immersed in water with an excess of lime at a temperature of 4F 60 2C for duration of 56 2 days. After conditioning, a visual examination was performed to check for signs of cracking, delamination, or other physical changes.

One test deck, measuring 8 ft. Both framing members and sheathing were fastened using 2- in. A layer of breathable waterproof membrane supplied by the client was fastened to the sheathing using staples spaced 12 in. The supplied EPDM rubber strips were then fastened to the furring strips. Refer to Appendix B for installation details. Cement Board Fabricators, Inc.

A copy of the data sheets can be found in the Appendices. Table 1.

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ASTM C1186

Zule For a volume license the PDF is licensed to the person in which it is assigned. Type A sheets are intended for exterior applications subjected to the direct action of sun, rain, or snow, while Type B sheets are intended for exterior applications not subjected to the direct action of sun, rain, or snow. This option is mobile friendly and compatible with all devices, including mobile tablets and smart phones. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. The PDF Download is licensed per individual in which the individual can place on up to four electronic devices for their personal use.

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