Price History for Goof Proof Waterproofing Sheet Membrane Underlayment Outside Corner

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Goof Proof Waterproofing Sheet Membrane Underlayment Outside Corner

Goof Proof Sheet Membrane Pre-Formed Outside Corners are made from the 20 mil Sheet Membrane waterproofing material and are used to insure a watertight seal on 90° corners. Safeguards against possible leaks. At

ItemId: 309113427
UPC: 669555047627
$8.89
Last Updated
06-Aug-26 01:43 AM
Out of Stock
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Price History Chart

Lowest
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Highest
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Current
$8.89
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Recorded price history

DatePrice
Jul 27, 2026 $8.89
Dec 14, 2025 $9.51
Oct 25, 2025 $9.51
Oct 23, 2025 $9.51
Oct 21, 2025 $9.51

Analysis

Goof Proof Waterproofing Sheet Membrane Underlayment Outside Corner price analysis

Price analysis for Goof Proof Waterproofing Sheet Membrane Underlayment Outside Corner at Home Depot: Today's price is $8.89. That's 7% off the MSRP of $9.51. The lowest recorded price on PriceWatchPro was $8.89 on July 27, 2026. The current listing is at this all-time low.

  • The current price of $8.89 is 7% (or $0.62) below the MSRP of $9.51.
  • The lowest recorded price on PriceWatchPro was $8.89 on July 27, 2026. The current listing is at this all-time low.
  • The highest recorded price on PriceWatchPro was $9.51 on October 21, 2025. Today's price is $0.62 below that peak.
  • Across 4 tracked price changes, the listing has dropped 1 times with an average drop of $0.62.
  • PriceWatchPro has been tracking this listing since October 21, 2025 (290 days of price history).

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Snapshot

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