No Connection

Check your connection and try again

You're looking around a sample roofing company. Open anything; nothing you change is saved. Talk to us

Synthetic underlayment

Its weight

The table
3.5 lb a squareThe sources give 3 to 5.2 lb.
Loose volume
Not known: it counts in the tons aloneNo source found gives a loose volume for torn-off synthetic underlayment.
How it was chosen
Ten-square rolls weigh 30 lb (Malarkey SecureStart Plus) and 37 lb (IPG Palisade): 3 to 3.7 lb a square; Roof Observations gives Sharkskin 5.2 lb. 3.5 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. SecureStart Plus Synthetic Underlayment, Technical Data Sheet

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

    "WEIGHT/ROLL 30 lbs." "ROLL SIZE 10" (squares) "TOTAL AREA PER ROLL 1000 ft2"

    The document An archived copy

  2. Palisade Synthetic Roof Underlayment sell sheet

    IPG (Intertape Polymer Group) · manufacturer spec sheet · read 2026-10-23

    "10-square roll = 37 lbs" "1000 ft2 / 92.9 m2"

    The document

  3. 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 "Synthetic underlayment": 0.052 lb/ft², 5.2 lb/square; source named: Sharkskin.

    The document An archived copy