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Plywood decking, 15/32" or 1/2" (per 4x8 sheet)

Its weight

The table
46 lb a sheetThe sources give 40 to 54 lb.
Loose volume
0.059 cubic yards a sheet
How it was chosen
APA's notional 15/32" plywood is 45 lb a sheet and 1/2" 48 lb (Roof Observations, softwood 40 to 43 lb); APA TT-019 gives 1.4 to 1.7 lb a square foot (45 to 54 lb a sheet). 46 lb is the figure. Volume at Seattle's 775 lb a cubic yard for plywood pieces.

Your figure

None: estimates use the table's.

Give your own figure
For each square of roof, or each sheet of decking.
Loose, as it lands in the dumpster, for each square or each sheet.
Your scale tickets, your hauler's figures: what a reader would check it against.

3 sources

  1. Plywood Weights, OSB Weights & More: Calculator + Charts (Jack Gray, RRO; updated 12/16/2025)

    Roof Observations · trade publication · read 2026-10-23

    Table 2 (lb per 4'x8' sheet): APA Plywood Std. 15/32" 45 lb, 1/2" 48 lb; Softwood 15/32" 40 lb, 1/2" 43 lb.

    The document An archived copy

  2. Tech Note GE-1: Product Weights (weights of building materials for dead loads, (c) 2021)

    Boise Cascade Wood Products; rows marked (1) cite ASCE 7-16 Table C3.1-1a, sheathing rows (3) cite APA EWS TT-019 (1998) · estimating guide · read 2026-10-23

    SHEATHING: "15/32" or 1/2" Plywood - OSB(3) 1.4 - 1.7" Footnote (1): "Minimum Design Loads for Buildings and Other Structures, ASCE 7-16, Table C3.1-1a." Values are pounds per square foot.

    The document An archived copy

  3. General Measurement Standards and Reporting Guidelines: Volume and Weight Conversion Factors for Recyclables

    City of Seattle, Seattle Public Utilities · government · read 2026-10-23

    "Plywood sheet, pieces | one cubic yard | 775 | Tellus" Footnote 1: "Disclaimer: This table is for general guidance only. Not for contract payment."

    The document An archived copy