Prescriptive Residential Wood Deck Construction Guide

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Wood Protection Association (AWPA) Book of Standards. 2. Above Ground – UC3B; Ground Contact – UC4A. 3. Naturally durable species with 90% heartwood in width on ... Where multiple 2x members are used, the deck’s beam is assembled by attaching the members identified in Table 3A in accordance with Figure 4 [Table R602.3(1)].

  Members, Woods