Price History for Owens Corning Insulation R19KF15X39'2" Manufacture Part No RF40
This page shows the historical price changes available for Owens Corning Insulation R19KF15X39'2" Manufacture Part No RF40 from the retailer Walmart, helping shoppers understand how the price has changed over time and whether the current price is a good deal. This can help you identify common predictable discount patterns, such as seasonal sales or clearance events, and the best time to buy to avoid overpaying.
From Wednesday, September 20, 2023 to Thursday, January 01, 2026, this product’s price ranged from $60.26 to $97.90, with the lowest price occurring on Thursday, November 23, 2023. If you’re deciding whether to buy now or wait, reviewing historical pricing can help you determine if the current price is above or below the typical range of $69.41 on average in this case.
Glass It monitored this product’s price for 1 customer so far who requested we send daily alerts when the price drops below their target price. If you're waiting for a better deal, you can also set a price alert to get notified when the price falls below your target. The chart below shows every recorded price change for Owens Corning Insulation R19KF15X39'2" Manufacture Part No RF40 over the last year.
| Data size: | 37 records available |
| Lowest price: | $60.26 |
| Highest price: | $97.90 |
| Average price: | $69.41 |
| Earliest price alert: | Wed, September 20, 2023 |
| Latest price alert: | Thu, January 01, 2026 |
| Price increases: | 8 |
| Price Drops: | 7 |
| Price increase alerts: | 9 |
| Price Drop Alerts: | 28 |
| Back In Stock Alerts: | 1 |
| Out of Stock Alerts: | 1 |
| Postal Code(s): | nearest store |
| Product Locale: | US |
| Product Currency: | US Dollar |
| Users Tracking Item: | 2 |
| Data is based on price change notification settings from Glass It. | |
Price Trend Analysis
The price for the Owens Corning Insulation R19KF15X39'2" (Manufacture Part No RF40) has shown significant fluctuation over the observed period from September 20, 2023, to January 1, 2026. The lowest price was $60.26 on November 23, 2023, and the highest price was $97.90 on October 4, 2024.
From September 20, 2023, to October 15, 2023, the price remained at $65.93. A slight increase occurred on October 19, 2023, to $80.09, followed by another rise to $85.19 on October 20, 2023.
A notable dip in prices was observed from November 3, 2023, to December 14, 2025, with the lowest recorded price of $60.26 on November 23, 2023. Following this, there was a steady increase until the maximum price of $97.90 on October 4, 2024.
After the peak price, the prices began to stabilize and declined to $79.35 on January 8, 2024. The average price throughout the period was $69.41.
As of January 1, 2026, the price had stabilized at $75.24, representing a recovery from the earlier high and a return to a more moderate pricing range after the significant increase in 2024.
Is Now a Good Time to Buy?
Based on the provided price history, the current average price is $69.41, and the minimum price found is $60.26. The maximum price observed was $97.90. As of the latest date in the dataset (January 1, 2026), the price is $75.24. Historically, the lowest prices were seen around November 23, 2023, when the price was at its minimum of $60.26.
The most recent update shows a price of $75.24, which is a significant increase from the historical lows. However, it's important to note that prices can fluctuate based on various factors such as supply chain issues, seasonal demand, or other economic conditions.
Given the recent uptick in price and considering the historical low point, now might not be the best time to buy if you are looking to secure the lowest possible price. Waiting for potential future drops or sales could be a more strategic approach.
However, if there's an urgent need for the product, the current price of $75.24 still represents a reasonable value compared to the peak prices.
Frequently Asked Questions
How accurate is Glass It’s price history?
Glass It tracks prices directly from supported retailers and records real price changes over time upon customer request.
How often do prices change?
Prices may change daily, less frequently or more frequently depending on the retailer, demand, and promotional activity.
Does the chart include sales and promotions?
Yes, the chart includes all detected price changes, including temporary sales when available.
Can I get notified when the price drops?
Yes, you can set a price alert and receive notifications when the price reaches your target. For more information see our full list of FAQ.
Get Walmart price alerts
Set your desired price for this product, and we will alert you when the price drops. Our low-cost daily monitoring can save you from paying too much.
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