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2027 International Building Code

Chapter 26Plastic

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Question 1 1.

Which of the following standards must single- and multiple-component spray-applied foam plastic insulation comply with in addition to the general foam plastic provisions?

Question 2 2.

What is the referenced material standard for polyisocyanurate foam plastic used as insulating sheathing?

Question 3 3.

Unless otherwise exempted, what are the maximum allowable flame spread and smoke-developed indices for foam plastic insulation tested in accordance with ASTM E84 or UL 723?

Question 4 4.

In a food processing room equipped throughout with an NFPA 13 automatic sprinkler system, foam plastic insulation tested at a 4-inch thickness is permitted up to what maximum installed thickness?

Question 5 5.

Which of the following thermal barrier materials meets the prescriptive standard to separate foam plastic from the interior of a building?

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