Firestop Insulation(73)
Uses item details. Price when purchased online
Akfix Thermcoat Thermal & Acoustic Spray Foam Insulation Kit - Fire Rated Closed Cell Expanding Foam, 960 Board Feet - 48 Pack Set From $39.19

Sponsored
From$3919
Akfix Thermcoat Thermal & Acoustic Spray Foam Insulation Kit - Fire Rated Closed Cell Expanding Foam, 960 Board Feet - 48 Pack Set
4.5 out of 5 stars
Sprayman Spraycoat Fire Rated Spray Foam Insulation, Closed Cell, 960 Board Feet, 48 Pack Set From $54.95

Sponsored
From$5495
Sprayman Spraycoat Fire Rated Spray Foam Insulation, Closed Cell, 960 Board Feet, 48 Pack Set
4.2 out of 5 stars
BONDURE Spray Foam Insulation Kit, 960 Sq.Ft. (48x27.1 oz.) Closed Cell Spray Foam for Attic & Walls, Fire Rated, Reduces Energy Bills, Spray Foam Gun Cleaner & Other Accessories Included From $23.90

Sponsored
From$2390
BONDURE Spray Foam Insulation Kit, 960 Sq.Ft. (48x27.1 oz.) Closed Cell Spray Foam for Attic & Walls, Fire Rated, Reduces Energy Bills, Spray Foam Gun Cleaner & Other Accessories Included
4.3 out of 5 stars
Best seller, Ceramic Fiber Blanket Insulation 2600F, 1"x 24"x 60" Baffle Fire Blanket for Stoves, Furnace, Kilns, Fire Bricks, Boilers, Kilns, Blacksmithing From $12.99
Best seller

Sponsored
From$1299
Ceramic Fiber Blanket Insulation 2600F, 1"x 24"x 60" Baffle Fire Blanket for Stoves, Furnace, Kilns, Fire Bricks, Boilers, Kilns, Blacksmithing
4.6 out of 5 stars
Flash Deal, cyrico Magnetic Fireplace Cover, Fireplace Draft Stopper for Heat Loss, Indoor Insulation Fireplace Blocker Save Energy, Magnetic Fireplace Blanket with 12 Magnets for Iron Frame (39"x32") $20.69 Was $44.99
Flash Deal

Now$2069
current price Now $20.69, Was $44.99$44.99
cyrico Magnetic Fireplace Cover, Fireplace Draft Stopper for Heat Loss, Indoor Insulation Fireplace Blocker Save Energy, Magnetic Fireplace Blanket with 12 Magnets for Iron Frame (39"x32")
4.3 out of 5 stars
Best seller, Ceramic Fiber Blanket Insulation 2600F, 1"x 15.7"x 24" Baffle Fire Blanket for Stoves, Furnace, Kilns, Fire Bricks, Boilers, Kilns, Blacksmithing From $12.99
Best seller

4 options
Available in additional 4 optionsFrom$1299
Ceramic Fiber Blanket Insulation 2600F, 1"x 15.7"x 24" Baffle Fire Blanket for Stoves, Furnace, Kilns, Fire Bricks, Boilers, Kilns, Blacksmithing
4.6 out of 5 stars
TeeRees Fireplace Draft Stopper Blanket - Thickened Flame-Retardant Oxford Cloth Chimney Cover to Prevent Heat Loss & Cold Air, Foldable Insulation Blocker for Home $34.95

$3495
current price $34.95TeeRees Fireplace Draft Stopper Blanket - Thickened Flame-Retardant Oxford Cloth Chimney Cover to Prevent Heat Loss & Cold Air, Foldable Insulation Blocker for Home
Clearance, SWETRACE 2Pcs Khaki Mineral Wool Insulation Panel for Fireplaces with Heat Barrier and Soundproofing $29.25 Was $32.86
Clearance

Now$2925
current price Now $29.25, Was $32.86$32.86
SWETRACE 2Pcs Khaki Mineral Wool Insulation Panel for Fireplaces with Heat Barrier and Soundproofing
OUGIST Fire Blanket for Home & Kitchen, Silicone-Coated Fiberglass, 2 Pack From $36.99
2 options
Available in additional 2 optionsFrom$3699
OUGIST Fire Blanket for Home & Kitchen, Silicone-Coated Fiberglass, 2 Pack
Best seller, Magnet Fireplace Cover, Fireproof Fireplace Draft Blocker, Fireplace Blanket for Heat Loss, Fireplace Cold Air Blocker, Black(39" W x 32" H) From $23.99
Best seller

21 options
Available in additional 21 optionsFrom$2399
Magnet Fireplace Cover, Fireproof Fireplace Draft Blocker, Fireplace Blanket for Heat Loss, Fireplace Cold Air Blocker, Black(39" W x 32" H)
4.4 out of 5 stars
1000SF Heavy Duty Radiant Vapor Barrier Reflective Insulation SOLID 4x250 $148.88

Sponsored
$14888
current price $148.881000SF Heavy Duty Radiant Vapor Barrier Reflective Insulation SOLID 4x250
Reflective BUBBLE Foil Insulation RADIANT Barrier 2FT x 5ft FIRE RESISTANT R8 $15.88

Sponsored
$1588
current price $15.88Reflective BUBBLE Foil Insulation RADIANT Barrier 2FT x 5ft FIRE RESISTANT R8
Meeco's Red Devil Fireplace Insert Insulation - Single Pack Residential Use, Standard Application $26.92

$2692
current price $26.92Meeco's Red Devil Fireplace Insert Insulation - Single Pack Residential Use, Standard Application
Ceramic Fiber Fireproof Insulation Blanket 48"x24"x1", 1 PCS $53.98

$5398
current price $53.98Ceramic Fiber Fireproof Insulation Blanket 48"x24"x1", 1 PCS
Clearance, Magnetic Fireplace Stopper, Fireplace Draft Blocker Vent Cold Air Cover, Energy Saving Insulation Shield For Winter, 36x4 Inch $11.99 Was $18.99
Clearance

Now$1199
current price Now $11.99, Was $18.99$18.99
Magnetic Fireplace Stopper, Fireplace Draft Blocker Vent Cold Air Cover, Energy Saving Insulation Shield For Winter, 36x4 Inch
LAMIRO Magnetic Fireplace Cover,39W*32"H Magnetic Fireplace Draft Blocker,Indoor Vent Insulation Draft Stopper,Prevent Heat and Cold Air Loss,fits for Iron and Brick Frame,with Sticky Tapes $43.49

$4349
current price $43.49LAMIRO Magnetic Fireplace Cover,39W*32"H Magnetic Fireplace Draft Blocker,Indoor Vent Insulation Draft Stopper,Prevent Heat and Cold Air Loss,fits for Iron and Brick Frame,with Sticky Tapes
3 out of 5 stars
Magnetic Fireplace Cover, Fireplace Blocker Blanket Stops Overnight Heat Loss, Adjustable Fireplace Draft Stopper Save Energy, Fireplace Insulation Black 39" W x 32" H $30.92

$3092
current price $30.92Magnetic Fireplace Cover, Fireplace Blocker Blanket Stops Overnight Heat Loss, Adjustable Fireplace Draft Stopper Save Energy, Fireplace Insulation Black 39" W x 32" H
4.5 out of 5 stars
2-Pack 36" x 6" Magnetic Fireplace Vent Covers, Chimney Draft Stopper Insulation Blankets for Heat Loss, Black From $18.99

2 options
Available in additional 2 optionsFrom$1899
2-Pack 36" x 6" Magnetic Fireplace Vent Covers, Chimney Draft Stopper Insulation Blankets for Heat Loss, Black
Magnetic Fireplace Cover Orange Flames Fireplace Screen Burning Embers Ethereal Fire Insulation Fireplace Blocker Blanket Save Energy Fireplace Draft Stopper Covers for Living Room 36x30 From $63.99

3 options
Available in additional 3 optionsFrom$6399
Magnetic Fireplace Cover Orange Flames Fireplace Screen Burning Embers Ethereal Fire Insulation Fireplace Blocker Blanket Save Energy Fireplace Draft Stopper Covers for Living Room 36x30
Reflective BUBBLE Foil Insulation RADIANT Barrier 4FT x 5ft FIRE RESISTANT R8 $19.88

Sponsored
$1988
current price $19.88Reflective BUBBLE Foil Insulation RADIANT Barrier 4FT x 5ft FIRE RESISTANT R8
Simond Store Ceramic Fiber Insulation Roll, 2400F - 1"X24"X25', High Density Fireproof Insulation Blanket for Forge $114.99

Sponsored
$11499
current price $114.99Simond Store Ceramic Fiber Insulation Roll, 2400F - 1"X24"X25', High Density Fireproof Insulation Blanket for Forge
5 out of 5 stars
Meeco's Red Devil 1105 Fireplace Insert Insulation - Fiberglass Strip (10 ft x 1.5 in) with Pressure-Sensitive Adhesive Backing - Made in The USA $26.92

$2692
current price $26.92Meeco's Red Devil 1105 Fireplace Insert Insulation - Fiberglass Strip (10 ft x 1.5 in) with Pressure-Sensitive Adhesive Backing - Made in The USA
DRAFIDEEP Fireproof Fiber White Blanket , for Insulation High-temperature Furnace $12.68

$1268
current price $12.68DRAFIDEEP Fireproof Fiber White Blanket , for Insulation High-temperature Furnace
TAILTOSS Khaki Rock Fiber Insulation Board Fireproof Thermal Efficiency for Fireplaces 2Pcs $31.65

$3165
current price $31.65TAILTOSS Khaki Rock Fiber Insulation Board Fireproof Thermal Efficiency for Fireplaces 2Pcs
SIMOND STORE Ceramic Fiber Insulation Blanket, 4# Density 2400F, 1" x 12"x 24” Fireproof Insulation for Fireplace From $11.99

2 options
Available in additional 2 optionsFrom$1199
SIMOND STORE Ceramic Fiber Insulation Blanket, 4# Density 2400F, 1" x 12"x 24” Fireproof Insulation for Fireplace
4.4 out of 5 stars
HOOWIFFY 60 Pcs Fireproof Ceramic Fiber Insulation Pads, Round White Stove Gasket Sheets for Furnace, Fireplace, Use $13.30

$1330
current price $13.30HOOWIFFY 60 Pcs Fireproof Ceramic Fiber Insulation Pads, Round White Stove Gasket Sheets for Furnace, Fireplace, Use
Fireproof Pipe Wrap Fiberglass Chimney Protective Wrap and Stove Insulation for Furnace Tube Motorcycle Exhaust Pipes 196.9x2.0 in / 500x5 cm $17.39

$1739
current price $17.39Fireproof Pipe Wrap Fiberglass Chimney Protective Wrap and Stove Insulation for Furnace Tube Motorcycle Exhaust Pipes 196.9x2.0 in / 500x5 cm
Blue Gray White Magnetic Fireplace Cover, Fireplace Draft Blocker, Modern Abstract Mottled Aesthetic Fireplaces Blanket for Heat Loss/Cold Air, Fireplaces Draft Stopper Cover for Inside 36"x27" From $58.22

5 options
Available in additional 5 optionsFrom$5822
Blue Gray White Magnetic Fireplace Cover, Fireplace Draft Blocker, Modern Abstract Mottled Aesthetic Fireplaces Blanket for Heat Loss/Cold Air, Fireplaces Draft Stopper Cover for Inside 36"x27"
0.4"×12"×24" Ceramic Fiber Blanket Fireproof Insulation Material,Soft and Flame Retardant,Suitable for Glass Blowing,Furnace,Forge,Fireplace From $13.99

3 options
Available in additional 3 optionsFrom$1399
0.4"×12"×24" Ceramic Fiber Blanket Fireproof Insulation Material,Soft and Flame Retardant,Suitable for Glass Blowing,Furnace,Forge,Fireplace
XIBUFE 2026 New Fireplace Blocker Blanket,Fireplace Draft Stopper Save Energy Fire Place Cover,For Reducing Heat Loss,Energy Saving,Cold Weather Insulation,Home Winter Preparation $29.13

$2913
current price $29.13XIBUFE 2026 New Fireplace Blocker Blanket,Fireplace Draft Stopper Save Energy Fire Place Cover,For Reducing Heat Loss,Energy Saving,Cold Weather Insulation,Home Winter Preparation
Ceramic Fiber Blanket Fireproof Insulation Baffle To 2400F High Temperature Resistance For Oven Stoves Kilns Forges(A) $19.99

$1999
current price $19.99Ceramic Fiber Blanket Fireproof Insulation Baffle To 2400F High Temperature Resistance For Oven Stoves Kilns Forges(A)
3 out of 5 stars
Magnetic Fireplace Cover Green Yellow Forest Fireplace Screen Misty Forest Trees Nature Insulation Fireplace Blocker Blanket Save Energy Fireplace Draft Stopper Covers for Living Room 36x30 $63.99

$6399
current price $63.99Magnetic Fireplace Cover Green Yellow Forest Fireplace Screen Misty Forest Trees Nature Insulation Fireplace Blocker Blanket Save Energy Fireplace Draft Stopper Covers for Living Room 36x30
2 24"x12"x1" Fiber Insulation Blanket, High Temperature Resistant Fireproof Insulation for Stoves, Furnaces, Kilns and Pipes $55.98

$5598
current price $55.982 24"x12"x1" Fiber Insulation Blanket, High Temperature Resistant Fireproof Insulation for Stoves, Furnaces, Kilns and Pipes
Fireplace Cover Draft Stopper- Pack of 2 Covers Keep Drafts Out -Screen Insulation Blocker for Winter,Block Cold Air from Vent 36''Lx4''W From $25.89
From$2589
Fireplace Cover Draft Stopper- Pack of 2 Covers Keep Drafts Out -Screen Insulation Blocker for Winter,Block Cold Air from Vent 36''Lx4''W
Reflective Insulation Roll for RV Windows, B2 Fireproof Bubble Insulation, Thermal Heat Shield, Weatherproof Attic Insulation (16''x 10Ft) From $33.89

4 options
Available in additional 4 optionsFrom$3389
Reflective Insulation Roll for RV Windows, B2 Fireproof Bubble Insulation, Thermal Heat Shield, Weatherproof Attic Insulation (16''x 10Ft)
Magnetic Fireplace Cover Black Vertical Lines Fireplace Screen Modern Distressed Grain Insulation Fireplace Blocker Blanket Save Energy Fireplace Draft Stopper Covers for Living Room 39x32 $65.99

$6599
current price $65.99Magnetic Fireplace Cover Black Vertical Lines Fireplace Screen Modern Distressed Grain Insulation Fireplace Blocker Blanket Save Energy Fireplace Draft Stopper Covers for Living Room 39x32
FESTFENDS 60Pcs Fireproof Ceramic Fiber Board Round Stove Insulation Paper High Temperature Resistant Sheets $15.16

$1516
current price $15.16FESTFENDS 60Pcs Fireproof Ceramic Fiber Board Round Stove Insulation Paper High Temperature Resistant Sheets
Magnetic Fireplace Blanket & Insulated Fireplace Cover, Heavy Duty Draft Stopper for Heat Loss Prevention, Energy Saving Indoor Fireplace Blocker (32x39 inch)

2 options
Available in additional 2 optionsMagnetic Fireplace Blanket & Insulated Fireplace Cover, Heavy Duty Draft Stopper for Heat Loss Prevention, Energy Saving Indoor Fireplace Blocker (32x39 inch)
2 out of 5 stars
TAILTOSS 60Pcs Fireproof Ceramic Fiber Board Round Stove Insulation Paper High Temperature Resistant Sheets $15.16

$1516
current price $15.16TAILTOSS 60Pcs Fireproof Ceramic Fiber Board Round Stove Insulation Paper High Temperature Resistant Sheets
CAFORKP Fireproof Welding Blanket 6x10 FT, Fiberglass Thermal Insulation Mat, Portable $25.72

$2572
current price $25.72CAFORKP Fireproof Welding Blanket 6x10 FT, Fiberglass Thermal Insulation Mat, Portable
NUOLUX 100Pcs Mica Sheets for Wood Stove High Temperature Endurance Light Brown Fire Resistant Insulation $11.34

$1134
current price $11.34NUOLUX 100Pcs Mica Sheets for Wood Stove High Temperature Endurance Light Brown Fire Resistant Insulation
Ceramic Fiber Blanket 32" 24" High Temp Fire Resistant Insulation $33.59

$3359
current price $33.59Ceramic Fiber Blanket 32" 24" High Temp Fire Resistant Insulation
OHOIOLLA 60Pcs Round Ceramic Fiber Gasket Papers Fireproof Insulation Discs for Kiln Stove Use $13.30

$1330
current price $13.30OHOIOLLA 60Pcs Round Ceramic Fiber Gasket Papers Fireproof Insulation Discs for Kiln Stove Use
Magnetic Fireplace Cover Red Vertical Lines Fireplace Screen Modern Distressed Grain Insulation Fireplace Blocker Blanket Save Energy Fireplace Draft Stopper Covers for Living Room 45x34 From $63.99

3 options
Available in additional 3 optionsFrom$6399
Magnetic Fireplace Cover Red Vertical Lines Fireplace Screen Modern Distressed Grain Insulation Fireplace Blocker Blanket Save Energy Fireplace Draft Stopper Covers for Living Room 45x34
WASHWEPE Fireproof Insulation Blanket for Furnace Kiln White Fiber Mat $12.68

$1268
current price $12.68WASHWEPE Fireproof Insulation Blanket for Furnace Kiln White Fiber Mat
Insulating Fire Brick, Heat Insulation Block, Low Thermal Conductivity, 1.25" x 4.5" x 9" Split, Single Pack, 2600-F Rated, for Kilns, Forges, Furnaces, Soldering, 3146P $40.98

$4098
current price $40.98Insulating Fire Brick, Heat Insulation Block, Low Thermal Conductivity, 1.25" x 4.5" x 9" Split, Single Pack, 2600-F Rated, for Kilns, Forges, Furnaces, Soldering, 3146P
Pastoral Spring Floral Magnetic Fireplace Cover, Fireplace Draft Blocker, Rustic Summer Flower Botanical Fireplaces Blanket for Heat Loss/Cold Air, Fireplaces Draft Stopper Cover for Inside 36"x27" From $58.54
From$5854
Pastoral Spring Floral Magnetic Fireplace Cover, Fireplace Draft Blocker, Rustic Summer Flower Botanical Fireplaces Blanket for Heat Loss/Cold Air, Fireplaces Draft Stopper Cover for Inside 36"x27"
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