ComfortBatt 3-1/2 in. x 15.25 in. x 47 in. R-13 Stone Wool Insulation (12-Pieces per pack)
85% off, well into the markdown cycle. 1 active.
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Scanning Home Depot stores hourly. 11 active ROCKWOOL finds as of right now.
ROCKWOOL
86% off · deepest active 
ROCKWOOL Find of the day
R-6.3 Comfortboard 80 1-1/2 in. x 24 in. x 48 in. Stone Wool Insulated Sheathing Board (48 sqft)
86% off, well into the markdown cycle. 29 active.
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R-30 Comfortbatt 7-1/4 in. x 15 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (29.9 sqft)
85% off, well into the markdown cycle. 216 active.
Safe 'n' Sound 3 in. x 15-1/4 in. x 47 in. Soundproofing and Fire Resistant Stone Wool Insulation Batt (59.7 sq. ft.)
85% off, well into the markdown cycle. 2067 active.
R-15 Comfortbatt 3-1/2 in. x 15 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (59.7 sq. ft.)
Third markdown stage. 103 in stock and the cycle isn't done.
R-23 Comfortbatt 5-1/2 in. x 15 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (39.8 sqft) (1-Bag)
Third markdown stage. 131 in stock and the cycle isn't done.
ComfortBatt 3-1/2 in. x 15.25 in. x 47 in. R-13 Stone Wool Insulation (12-Pieces per pack)
Third markdown stage. 36 in stock and the cycle isn't done.
Safe 'n' Sound 3 in. x 15-1/4 in. x 47 in. Soundproofing and Fire Resistant Stone Wool Insulation Batt (59.7 sq. ft.)
Marked 50%. 6 in stock and likely going deeper.
R-15 Comfortbatt 3-1/2 in. x 15 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (59.7 sq. ft.)
First markdown at 49% off. 102 in stock.
R-23 Comfortbatt 5-1/2 in. x 15 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (39.8 sqft) (1-Bag)
First markdown at 46% off. 175 in stock.
R-15 Comfortbatt 3-1/2 in. x 15 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (59.7 sq. ft.)
First markdown at 45% off. 5 in stock.
About ROCKWOOL
Home Depot marks ROCKWOOL ROCKWOOL products through a predictable four-step cycle: 25% off → 50% → 75% → penny pricing ($0.01). Most ROCKWOOL markdowns aren't advertised, they only show up on the shelf tag or in the Home Depot app.
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