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Built-up roofing with a granulated cap sheet

Its weight

The table
305 lb a squareThe sources give 301 to 318 lb.
Loose volume
Not known: it counts in the tons aloneNo source found gives a loose volume for torn-off built-up plies.
How it was chosen
The smooth plies (233 lb for three, Owens Corning and GAF; 250 lb as Xactimate disposes of them) plus a mineral-surfaced cap sheet at 68 lb a square (GAFGLAS). 305 lb is the figure.

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. Weight of Roofing Materials: Comprehensive Reference Table (Jack Gray, RRO; first published 12/09/2025, updated 12/24/2025)

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

    Row "BUR, 3-ply, smooth-surfaced": 2.33 lb/ft², 233 lb/square; sources named: Owens Corning; GAF.

    The document An archived copy

  2. Xactimate price list item RFG BU3RMV

    Verisk Xactimate, as Roofometry keeps it · estimating guide · read 2026-10-23

    RFG BU3RMV, "Tear off, haul and dispose of 3 ply built-up roofing." Definition: "Includes: Dump fees, hauling, disposal, and labor to tear-off 3 ply built-up roofing." Dump fee component DMOFEE, direct_yield "8.000 SQ/TN".

    A copy is kept with Roofometry.

  3. GAFGLAS Mineral-Surfaced Cap Sheet, data sheet (8/16)

    GAF (copy in the RCABC Roofing Practices Manual) · manufacturer spec sheet · read 2026-10-23

    "Roll Size 1 square (107 gross sq. ft.)" "Approx. Roll Weight 68 lb (30.8 kg)"; "Roll Size 1.25 square (134 gross sq. ft.)" "Approx. Roll Weight 87.5 lbs (39.7 kg)"

    The document