Price History for 1 Gal. Invisible Penetrating Concrete and Masonry Water Repellent Sealer Plus Oil Repellent
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1 Gal. Invisible Penetrating Concrete and Masonry Water Repellent Sealer Plus Oil Repellent
GHOSTSHIELD SILOXA-TEK 8505 A tenacious and versatile sentinel-all the heart of Siloxa-Tek 8500 with added oil resistance. NO OIL, NO ODOR, NO NONSENSE: Defend your concrete from water ingress, deicing salts an
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Price History Chart
Recorded price history
Showing the 30 most recent of 31 recorded prices.
| Date | Price |
|---|---|
| Aug 15, 2026 | $89.88 |
| Aug 13, 2026 | $119.88 |
| Aug 1, 2026 | $89.88 |
| Jul 20, 2026 | $119.88 |
| Jul 18, 2026 | $89.88 |
| Jun 20, 2026 | $119.88 |
| Jun 19, 2026 | $89.88 |
| Jun 15, 2026 | $119.88 |
| Jun 14, 2026 | $89.88 |
| May 14, 2026 | $119.88 |
| May 13, 2026 | $119.98 |
| Apr 27, 2026 | $89.88 |
| Apr 18, 2026 | $119.88 |
| Apr 17, 2026 | $89.88 |
| Apr 8, 2026 | $119.88 |
| Mar 27, 2026 | $89.88 |
| Mar 24, 2026 | $119.88 |
| Mar 22, 2026 | $89.88 |
| Mar 12, 2026 | $119.88 |
| Feb 25, 2026 | $89.88 |
| Feb 23, 2026 | $119.88 |
| Feb 12, 2026 | $89.88 |
| Feb 8, 2026 | $119.88 |
| Jan 31, 2026 | $89.88 |
| Jan 24, 2026 | $119.88 |
| Jan 8, 2026 | $89.88 |
| Jan 3, 2026 | $119.88 |
| Dec 14, 2025 | $89.88 |
| Nov 24, 2025 | $89.88 |
| Nov 17, 2025 | $89.88 |
Analysis
1 Gal. Invisible Penetrating Concrete and Masonry Water Repellent Sealer Plus Oil Repellent price analysis
Price analysis for 1 Gal. Invisible Penetrating Concrete and Masonry Water Repellent Sealer Plus Oil Repellent at Home Depot: Today's price is $89.88. Current price is 13% below the 90-day average of $103.21 (a $13.33 below the running mean).
- Currently listed at $89.88, which is $0.00 above the original MSRP of $89.88.
- Current price is 13% below the 90-day average of $103.21 (a $13.33 below the running mean).
- The lowest recorded price on PriceWatchPro was $89.88 on November 8, 2025. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $119.98 on May 13, 2026. Today's price is $30.10 below that peak.
- 30-day trend: essentially flat (less than 1% movement).
- Across 30 tracked price changes, the listing has dropped 13 times with an average drop of $30.00.
- PriceWatchPro has been tracking this listing since November 8, 2025 (280 days of price history).
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