Which is the highest fireproof rating for shingles?

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Study for the B3/61 Contractor Trade Exam. Boost your success with flashcards and multiple choice questions, each offering hints and explanations. Prepare to ace your test!

Multiple Choice

Which is the highest fireproof rating for shingles?

Explanation:
Class A is the highest fire resistance rating for shingles. Roofing materials are classified as Class A, B, or C, with Class A offering the greatest resistance to fire—greatest resistance to ignition and slower flame spread in standard fire tests. Because of that stronger performance, Class A shingles are the top-rated option, which is why the correct choice is the one that reflects that rating. Lower classes (B or C) indicate progressively less fire resistance.

Class A is the highest fire resistance rating for shingles. Roofing materials are classified as Class A, B, or C, with Class A offering the greatest resistance to fire—greatest resistance to ignition and slower flame spread in standard fire tests. Because of that stronger performance, Class A shingles are the top-rated option, which is why the correct choice is the one that reflects that rating. Lower classes (B or C) indicate progressively less fire resistance.

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