Stone Wool Insulation

Enhance fire resistance, soundproofing, and energy efficiency with premium stone wool insulation from trusted brands like Rockwool and Thermafiber. Ideal for New York’s residential and commercial projects, our insulation provides durability and top-tier performance. Enjoy fast delivery and reliable solutions for a comfortable and safe environment.

19 products

  • A red and white package of Rockwool RXCB381525 Comfortbatt R38 stone wool insulation (9.5 in. x 15-1/4 in. x 47 in., 19.9 SQF), featuring sustainable rock-based mineral fibers, icons, specs, and a thermostat showing 72°F on the front.Wearing gloves and a black beanie, a person measures and cuts Rockwool RXCB381525 Comfortbatt R38 Stone Wool Insulation (9.5 x 15-1/4 x 47) indoors during a construction or renovation project.
    A red and white package of Rockwool RXCB381525 Comfortbatt R38 stone wool insulation (9.5 in. x 15-1/4 in. x 47 in., 19.9 SQF), featuring sustainable rock-based mineral fibers, icons, specs, and a thermostat showing 72°F on the front.Wearing gloves and a black beanie, a person measures and cuts Rockwool RXCB381525 Comfortbatt R38 Stone Wool Insulation (9.5 x 15-1/4 x 47) indoors during a construction or renovation project.
    special price 3% off

    ROCKWOOL RXCB381525 Comfortbatt R38 Stone Wool Insulation 9.5 in. x 15-1/4 in. x 47 in. (19.9 SQF)

    Upgrade your insulation with COMFORTBATT R38. Made from rock-based mineral fibers, this insulation is both sustainable and efficient. With Basalt rock and Recycled Slag, it's perfect...

    $89.20 USD
    $89.20 USD $92.67 USD
    special price
  • Image of a Rockwool Safe n Sound package shows RXSS31525 stone wool insulation batt. The red packaging emphasizes soundproof and fire-resistant benefits. It measures 3 in. x 15-1/4 in. x 47 in., covering an area of 59.7 sq. ft., with icon illustrations depicted on the package.
    Image of a Rockwool Safe n Sound package shows RXSS31525 stone wool insulation batt. The red packaging emphasizes soundproof and fire-resistant benefits. It measures 3 in. x 15-1/4 in. x 47 in., covering an area of 59.7 sq. ft., with icon illustrations depicted on the package.
    special price

    ROCKWOOL Safe 'n' Sound RXSS31525 3 in. x 15-1/4 in. x 47 in. Soundproofing and Fire Resistant Stone Wool Insulation Batt (59.7 sq. ft.)

    Have this stone wool insulation by Rockwool with all the qualities needed to improve your life. It is non-combustible, water resistant, fire-resistant, can also be easily...

    $100.44 USD
    $100.44 USD $89.57 USD
    special price
  • A red and blue ROCKWOOL RXCB351525 R15 ComfortBatt package displays fire-resistant stone wool insulation by Rockwool, detailing its 3-1/2 in. x 15-1/4 in. x 47 in. size, superior thermal performance, soundproofing abilities, and coverage of 59.7 sq. ft.
    A red and blue ROCKWOOL RXCB351525 R15 ComfortBatt package displays fire-resistant stone wool insulation by Rockwool, detailing its 3-1/2 in. x 15-1/4 in. x 47 in. size, superior thermal performance, soundproofing abilities, and coverage of 59.7 sq. ft.
    special price

    ROCKWOOL RXCB351525 R15 ComfortBatt 3-1/2 in. x 15-1/4 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (59.7 sq. ft.)

    With excellent thermal performance and a high R-value per inch, R15 COMFORTBATT 3.5"X15.25"X47" is ideal for wood framed construction. Its stone wool material is non-combustible and...

    $84.28 USD
    $84.28 USD
    special price
  • A package of Rockwool RXCB301525 R-30 Comfortbatt, 7-1/4 in. x 15 in. x 47 in., fire resistant stone wool insulation batt (29.9 sq ft), offers residential energy efficiency and safety for standard wall cavities.A person in gloves and a blue shirt installs Rockwool RXCB301525 R-30 Comfortbatt 7-1/4 in. x 15 in. x 47 in. fire resistant stone wool insulation batt (29.9 sqft) between attic studs.
    A package of Rockwool RXCB301525 R-30 Comfortbatt, 7-1/4 in. x 15 in. x 47 in., fire resistant stone wool insulation batt (29.9 sq ft), offers residential energy efficiency and safety for standard wall cavities.A person in gloves and a blue shirt installs Rockwool RXCB301525 R-30 Comfortbatt 7-1/4 in. x 15 in. x 47 in. fire resistant stone wool insulation batt (29.9 sqft) between attic studs.

    ROCKWOOL RXCB301525 R-30 Comfortbatt 7-1/4 in. x 15-1/4 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (29.9 sqft)

    ROCKWOOL Comfortbatt is a semi-rigid stone wool thermal batt insulation for exterior wood and steel stud applications. It features a unique flexible edge that allows for...

    $91.30 USD
    $91.30 USD
  • The ROCKWOOL RXCB551525 R23 ComfortBatt Stone Wool Insulation (5-1/2 in. x 15.25 in. x 47 in.) offers superior sound resistance and is ideal for exterior walls and basements; package features Rockwool’s red and teal branding.A person wearing gloves installs Rockwool RXCB551525 R23 ComfortBatt 5-1/2 in. x 15.25 in. x 47 in. stone wool insulation panels between wooden ceiling beams above a brick wall.
    The ROCKWOOL RXCB551525 R23 ComfortBatt Stone Wool Insulation (5-1/2 in. x 15.25 in. x 47 in.) offers superior sound resistance and is ideal for exterior walls and basements; package features Rockwool’s red and teal branding.A person wearing gloves installs Rockwool RXCB551525 R23 ComfortBatt 5-1/2 in. x 15.25 in. x 47 in. stone wool insulation panels between wooden ceiling beams above a brick wall.
    5% off

    ROCKWOOL RXCB551525 R23 ComfortBatt 5-1/2 in. x 15.25 in. x 47 in. Stone Wool Insulation (39.82 sq ft)

    Experience exceptional insulation with ROCKWOOL ComfortBatt Stone Wool Insulation. Measuring 5-1/2 in. x 15.25 in. x 47 in. and boasting an impressive R-23 value, this high-quality...

    $92.45 USD
    $92.45 USD $98.20 USD
  • The Rockwool RW2SAFB24 2 in. x 24 in. x 48 in. Insulation AFB 96 SF comes in green and white wrap, showcasing its fire-resistant and sound absorption traits, alongside icons for energy efficiency features.
    The Rockwool RW2SAFB24 2 in. x 24 in. x 48 in. Insulation AFB 96 SF comes in green and white wrap, showcasing its fire-resistant and sound absorption traits, alongside icons for energy efficiency features.
    3% off

    ROCKWOOL RW2SAFB24 2 in. x 24 in. x 48 in. Insulation AFB 96 SF

    Increase energy efficiency and sound absorption with our 2 in. x 24 in. x 48 in. Rockwool Insulation. Made from AFB material, this product covers 96...

    $98.70 USD
    $98.70 USD $102.25 USD
  • The Rockwool RXCB3523 R15 ComfortBatt, a 3-1/2 in. x 23 in. x 47 in. stone wool insulation batt (59.7 sq. ft.), comes in red and white packaging with icons for thermal, fire, and water resistance.
    The Rockwool RXCB3523 R15 ComfortBatt, a 3-1/2 in. x 23 in. x 47 in. stone wool insulation batt (59.7 sq. ft.), comes in red and white packaging with icons for thermal, fire, and water resistance.
    special price

    ROCKWOOL RXCB3523 R15 ComfortBatt 3-1/2 in. x 23 in. x 47 in. Fire Resistant Stone Wool Insulation Batt (59.7 sq. ff.)

    With excellent thermal performance and a high R-value per inch, R15 COMFORTBATT 3.5"X23"X47" is ideal for wood framed construction. Its stone wool material is non-combustible and...

    $90.34 USD
    $90.34 USD
    special price
  • 2 in. x 16 in. x 48 in. Rockwool Insulation AFB 85.33 SF - Go Build, The Fastest Way To Build
    2 in. x 16 in. x 48 in. Rockwool Insulation AFB 85.33 SF - Go Build, The Fastest Way To Build

    ROCKWOOL RW2SAFB16 2 in. x 16 in. x 48 in. Insulation AFB 85.33 SF

    Acoustical Fire Batt (AFB) is a lightweight, semi-rigid batt insulation specifically designed for steel stud interior wall and floor applications. AFB Evo is a no added...

    $74.93 USD
    $74.93 USD
  • A red rectangular package of ROCKWOOL RXCB324 COMFORTBOARD 80 (3 in. x 24 in. x 48 in., 24 sq ft) features white text, logos, and product details. This Rockwool thermal insulation is durable and vapor permeable.A cross-section illustration shows building layers, with a red label indicating the vapor-permeable Rockwool RXCB324 COMFORTBOARD 80—3 in. x 24 in. x 48 in.—continuous insulation beneath a blue sheet and gray solid surface.
    A red rectangular package of ROCKWOOL RXCB324 COMFORTBOARD 80 (3 in. x 24 in. x 48 in., 24 sq ft) features white text, logos, and product details. This Rockwool thermal insulation is durable and vapor permeable.A cross-section illustration shows building layers, with a red label indicating the vapor-permeable Rockwool RXCB324 COMFORTBOARD 80—3 in. x 24 in. x 48 in.—continuous insulation beneath a blue sheet and gray solid surface.

    ROCKWOOL RXCB11224 COMFORTBOARD 80 1-1/2 In. X 24 In. X 48 In. 48 SQFT

    ROCKWOOL Comfortboard® 80 thermal insulated sheathing is a rigid stone wool insulation board designed for use as an exterior continuous insulation. Comfortboard® 80 does not produce...

    $106.11 USD
    $106.11 USD
  • A red rectangular package of ROCKWOOL RXCB324 COMFORTBOARD 80 (3 in. x 24 in. x 48 in., 24 sq ft) features white text, logos, and product details. This Rockwool thermal insulation is durable and vapor permeable.A cross-section illustration shows building layers, with a red label indicating the vapor-permeable Rockwool RXCB324 COMFORTBOARD 80—3 in. x 24 in. x 48 in.—continuous insulation beneath a blue sheet and gray solid surface.
    A red rectangular package of ROCKWOOL RXCB324 COMFORTBOARD 80 (3 in. x 24 in. x 48 in., 24 sq ft) features white text, logos, and product details. This Rockwool thermal insulation is durable and vapor permeable.A cross-section illustration shows building layers, with a red label indicating the vapor-permeable Rockwool RXCB324 COMFORTBOARD 80—3 in. x 24 in. x 48 in.—continuous insulation beneath a blue sheet and gray solid surface.
    special price 18% off

    ROCKWOOL RXCB224 COMFORTBOARD 80 2 In. X 24 In. X 48 In. 40 SQFT

    ROCKWOOL Comfortboard® 80 thermal insulated sheathing is a rigid stone wool insulation board designed for use as an exterior continuous insulation. Comfortboard® 80 does not produce...

    $116.28 USD
    $116.28 USD $143.00 USD
    special price
  • A red rectangular package of ROCKWOOL RXCB324 COMFORTBOARD 80 (3 in. x 24 in. x 48 in., 24 sq ft) features white text, logos, and product details. This Rockwool thermal insulation is durable and vapor permeable.A cross-section illustration shows building layers, with a red label indicating the vapor-permeable Rockwool RXCB324 COMFORTBOARD 80—3 in. x 24 in. x 48 in.—continuous insulation beneath a blue sheet and gray solid surface.
    A red rectangular package of ROCKWOOL RXCB324 COMFORTBOARD 80 (3 in. x 24 in. x 48 in., 24 sq ft) features white text, logos, and product details. This Rockwool thermal insulation is durable and vapor permeable.A cross-section illustration shows building layers, with a red label indicating the vapor-permeable Rockwool RXCB324 COMFORTBOARD 80—3 in. x 24 in. x 48 in.—continuous insulation beneath a blue sheet and gray solid surface.
    special price

    ROCKWOOL RXCB324 COMFORTBOARD 80 3 In. X 24 In. X 48 In. 24 SQFT

    ROCKWOOL Comfortboard® 80 thermal insulated sheathing is a rigid stone wool insulation board designed for use as an exterior continuous insulation. Comfortboard® 80 does not produce...

    $107.50 USD
    $107.50 USD
    special price
  • A red and white Rockwool package labeled RXSS31625 Safe n Sound 3 in. x 16-1/4 in. x 48 in., fire-resistant and soundproofing stone wool insulation batt (65 sq.ft.), with icons and details for 2x4 walls on the front.
    A red and white Rockwool package labeled RXSS31625 Safe n Sound 3 in. x 16-1/4 in. x 48 in., fire-resistant and soundproofing stone wool insulation batt (65 sq.ft.), with icons and details for 2x4 walls on the front.
    special price

    ROCKWOOL RXSS31625 Safe 'n' Sound 3 in. x 16-1/4 in. x 48 in. Soundproofing and Fire Resistant Stone Wool Insulation Batt (65 sq.ft.)

    Have this stone wool insulation by Rockwool with all the qualities needed to improve your life. It is non-combustible, water resistant, fire-resistant, can also be easily...

    $105.94 USD
    $105.94 USD
    special price