Insulation R Rating Guide

Shop insulation r rating guide

Sponsored

$59.47

Owens Corning R- 21 Wall Kraft Faced Fiberglass Batt Insulation 67.81-Sq Ft ( 15-In W X 93-In L) | ME23

Lowe's

$59.47

Owens Corning R- 21 Wall Kraft Faced Fiberglass Batt Insulation 67.81-Sq Ft ( 15-In W X 93-In L) | ME23

Lowe's

$53.98

Owens Corning R- 21 Wall Unfaced Fiberglass Batt Insulation 77.5-Sq Ft ( 15-In W X 93-In L) | U89B

Lowe's

$53.98

Owens Corning R- 21 Wall Unfaced Fiberglass Batt Insulation 77.5-Sq Ft ( 15-In W X 93-In L) | U89B

Lowe's

$49.21

$78.74

Owens Corning R-30 Unfaced Insulation Continuous Roll 15 in. X 25 ft.

cauled.com

Free shipping

37% off

$49.21

$78.74

Owens Corning R-30 Unfaced Insulation Continuous Roll 15 in. X 25 ft.

cauled.com

Free shipping

$52.97

Owens Corning R- 38 Attic Kraft Faced Fiberglass Batt Insulation 42.67-Sq Ft ( 16-In W X 48-In L) | ME25

Lowe's

427

$52.97

Owens Corning R- 38 Attic Kraft Faced Fiberglass Batt Insulation 42.67-Sq Ft ( 16-In W X 48-In L) | ME25

Lowe's

427

$79.98

ROCKWOOL Safe'n'sound R- Wall Unfaced Stone Wool Batt Insulation 59.7-Sq Ft ( 15.25-In W X 47-In L) | RXSS31525

Lowe's

911

$79.98

ROCKWOOL Safe'n'sound R- Wall Unfaced Stone Wool Batt Insulation 59.7-Sq Ft ( 15.25-In W X 47-In L) | RXSS31525

Lowe's

911

$71.98

Johns Manville R- 21 Wall Unfaced Fiberglass Batt Insulation 103.97-Sq Ft ( 23-In W X 93-In L) | U1322

Lowe's

225

$71.98

Johns Manville R- 21 Wall Unfaced Fiberglass Batt Insulation 103.97-Sq Ft ( 23-In W X 93-In L) | U1322

Lowe's

225

$47.47

Owens Corning R- 13 Wall Unfaced Fiberglass Batt Insulation 106.56-Sq Ft ( 15-In W X 93-In L) | E51

Lowe's

$47.47

Owens Corning R- 13 Wall Unfaced Fiberglass Batt Insulation 106.56-Sq Ft ( 15-In W X 93-In L) | E51

Lowe's

$2,035.00

$2,760.00

Havelock Wool R13 Batt Insulation Pallets (24 Bags Per Pallet | Covers 1080 Sq Ft)

Havelock Wool Insulation

26% off

$2,035.00

$2,760.00

Havelock Wool R13 Batt Insulation Pallets (24 Bags Per Pallet | Covers 1080 Sq Ft)

Havelock Wool Insulation

$32.47

Kingspan Insulation R- 5 , 1-In X 4-Ft X 8-Ft Unfaced Foam Board Insulation One_Size | 100000048877

Lowe's

120

$32.47

Kingspan Insulation R- 5 , 1-In X 4-Ft X 8-Ft Unfaced Foam Board Insulation One_Size | 100000048877

Lowe's

120

$90.88

Owens Corning R- 30 Attic Unfaced Fiberglass Batt Insulation 80-Sq Ft ( 24-In W X 48-In L) | W67A

Lowe's

436

$90.88

Owens Corning R- 30 Attic Unfaced Fiberglass Batt Insulation 80-Sq Ft ( 24-In W X 48-In L) | W67A

Lowe's

436

$50.57

Owens Corning R- 19 Kraft Faced Fiberglass Roll Insulation 48.96-Sq Ft ( 15-In W X 39.2-Ft L ) Individual Pack | RF40

Lowe's

1K+

$50.57

Owens Corning R- 19 Kraft Faced Fiberglass Roll Insulation 48.96-Sq Ft ( 15-In W X 39.2-Ft L ) Individual Pack | RF40

Lowe's

1K+

$48.87

Owens Corning R- 30 Attic Unfaced Fiberglass Roll Insulation 31.25-Sq Ft ( 15-In W X 25-Ft L ) Individual Pack | RU70

Lowe's

$48.87

Owens Corning R- 30 Attic Unfaced Fiberglass Roll Insulation 31.25-Sq Ft ( 15-In W X 25-Ft L ) Individual Pack | RU70

Lowe's

$129.00

Owens Corning R- 30 Attic Kraft Faced Fiberglass Batt Insulation 88.0-Sq Ft ( 24-In W X 48-In L) | E56

Lowe's

316

$129.00

Owens Corning R- 30 Attic Kraft Faced Fiberglass Batt Insulation 88.0-Sq Ft ( 24-In W X 48-In L) | E56

Lowe's

316

$87.77

Owens Corning R- 30 Attic Kraft Faced Fiberglass Batt Insulation 58.67-Sq Ft ( 16.0-In W X 48.0-In L) | ME24

Lowe's

417

$87.77

Owens Corning R- 30 Attic Kraft Faced Fiberglass Batt Insulation 58.67-Sq Ft ( 16.0-In W X 48.0-In L) | ME24

Lowe's

417

$129.00

Johns Manville R- 30 Attic Kraft Faced Fiberglass Batt Insulation 88-Sq Ft ( 24-In W X 48-In L) | K1243

Lowe's

$129.00

Johns Manville R- 30 Attic Kraft Faced Fiberglass Batt Insulation 88-Sq Ft ( 24-In W X 48-In L) | K1243

Lowe's

$50.26

Knauf Insulation Kraft Faced Insulation 32 ft L 15 in W R13 R-Value Fiberglass KR94E/TAK

DkHardware.com

760

$50.26

Knauf Insulation Kraft Faced Insulation 32 ft L 15 in W R13 R-Value Fiberglass KR94E/TAK

DkHardware.com

760

$19.71

Kingspan Insulation R- 2.8 , 0.50-In X 4-Ft X 8-Ft Unfaced Foam Board Insulation One_Size | 100000048875

Lowe's

$19.71

Kingspan Insulation R- 2.8 , 0.50-In X 4-Ft X 8-Ft Unfaced Foam Board Insulation One_Size | 100000048875

Lowe's

$133.88

Johns Manville R- 38 Attic Kraft Faced Fiberglass Batt Insulation 72-Sq Ft ( 24-In W X 48-In L) | K1293

Lowe's

$133.88

Johns Manville R- 38 Attic Kraft Faced Fiberglass Batt Insulation 72-Sq Ft ( 24-In W X 48-In L) | K1293

Lowe's

$53.97

Owens Corning R- 19 Unfaced Fiberglass Roll Insulation 48.96-Sq Ft ( 15-In W X 39.2-Ft L ) Individual Pack | RU40

Lowe's

2K+

$53.97

Owens Corning R- 19 Unfaced Fiberglass Roll Insulation 48.96-Sq Ft ( 15-In W X 39.2-Ft L ) Individual Pack | RU40

Lowe's

2K+

$115.00

Havelock Wool R13 Batt Insulation Single Bags (Covers 45 Sq Ft)

Havelock Wool Insulation

$115.00

Havelock Wool R13 Batt Insulation Single Bags (Covers 45 Sq Ft)

Havelock Wool Insulation

$37.57

Insulfoam R- 7.7 , 2-In X 4-Ft X 8-Ft Faced Expanded Polystyrene Board Insulation One_Size | 2X48X96 R-TECH

Lowe's

700

$37.57

Insulfoam R- 7.7 , 2-In X 4-Ft X 8-Ft Faced Expanded Polystyrene Board Insulation One_Size | 2X48X96 R-TECH

Lowe's

700

$35.97

Owens Corning R- 15 Kraft Faced Fiberglass Roll Insulation 30-Sq Ft ( 15-In W X 24-Ft L ) Individual Pack | RF32

Lowe's

2K+

$35.97

Owens Corning R- 15 Kraft Faced Fiberglass Roll Insulation 30-Sq Ft ( 15-In W X 24-Ft L ) Individual Pack | RF32

Lowe's

2K+

$48.00

Johns Manville R- 38 Attic Kraft Faced Fiberglass Batt Insulation 42.66-Sq Ft ( 16-In W X 48-In L) | K1244

Lowe's

378

$48.00

Johns Manville R- 38 Attic Kraft Faced Fiberglass Batt Insulation 42.66-Sq Ft ( 16-In W X 48-In L) | K1244

Lowe's

378

$225.00

Havelock Wool R13 Batt Insulation Single Bags (Covers 90 Sq Ft)

Havelock Wool Insulation

$225.00

Havelock Wool R13 Batt Insulation Single Bags (Covers 90 Sq Ft)

Havelock Wool Insulation

$27.97

Owens Corning R- 13 Kraft Faced Fiberglass Roll Insulation 40-Sq Ft ( 15-In W X 32-Ft L ) Individual Pack | RF10

Lowe's

3K+

$27.97

Owens Corning R- 13 Kraft Faced Fiberglass Roll Insulation 40-Sq Ft ( 15-In W X 32-Ft L ) Individual Pack | RF10

Lowe's

3K+

$21.98

Reflectix R- 21 Attic Wall Unfaced Reflective Roll Insulation 33.3-Sq Ft ( 16-In W X 25-Ft L ) Individual Pack | ST16025

Lowe's

359

$21.98

Reflectix R- 21 Attic Wall Unfaced Reflective Roll Insulation 33.3-Sq Ft ( 16-In W X 25-Ft L ) Individual Pack | ST16025

Lowe's

359

$91.52

ROCKWOOL Safe'n'sound R- Wall Unfaced Stone Wool Batt Insulation 60.1-Sq Ft ( 23-In W X 47-In L) | RXSS323

Lowe's

$91.52

ROCKWOOL Safe'n'sound R- Wall Unfaced Stone Wool Batt Insulation 60.1-Sq Ft ( 23-In W X 47-In L) | RXSS323

Lowe's

$99.00

Johns Manville R- 38 Attic Kraft Faced Fiberglass Batt Insulation 64-Sq Ft ( 24-In W X 48-In L) | K1245

Lowe's

$99.00

Johns Manville R- 38 Attic Kraft Faced Fiberglass Batt Insulation 64-Sq Ft ( 24-In W X 48-In L) | K1245

Lowe's

$69.61

Owens Corning R- 15 Wall Unfaced Fiberglass Batt Insulation 77.5-Sq Ft ( 15-In W X 93-In L) | ME22

Lowe's

$69.61

Owens Corning R- 15 Wall Unfaced Fiberglass Batt Insulation 77.5-Sq Ft ( 15-In W X 93-In L) | ME22

Lowe's

$2,035.00

$2,760.00

Havelock Wool R20 Batt Insulation Pallets (24 Bags Per Pallet | Covers 720 Sq Ft)

Havelock Wool Insulation

26% off

$2,035.00

$2,760.00

Havelock Wool R20 Batt Insulation Pallets (24 Bags Per Pallet | Covers 720 Sq Ft)

Havelock Wool Insulation

$178.00

Owens Corning Garage Door Insulation Kit R- 8 Single Faced Fiberglass Roll Insulation 66-Sq Ft ( 22-In W X 4.5-Ft L ) Individual Pack | GD01

Lowe's

461

$178.00

Owens Corning Garage Door Insulation Kit R- 8 Single Faced Fiberglass Roll Insulation 66-Sq Ft ( 22-In W X 4.5-Ft L ) Individual Pack | GD01

Lowe's

461

$67.49

Owens Corning R- 49 Attic Faced Fiberglass Batt Insulation 48-Sq Ft ( 24-In W X 48-In L) | BF93

Lowe's

$67.49

Owens Corning R- 49 Attic Faced Fiberglass Batt Insulation 48-Sq Ft ( 24-In W X 48-In L) | BF93

Lowe's

$119.00

Owens Corning R- 38 Attic Faced Fiberglass Batt Insulation 64-Sq Ft ( 24-In W X 48-In L) | E57

Lowe's

502

$119.00

Owens Corning R- 38 Attic Faced Fiberglass Batt Insulation 64-Sq Ft ( 24-In W X 48-In L) | E57

Lowe's

502

$126.50

Johns Manville R- 13 Wall Kraft Faced Fiberglass Batt Insulation 163.39-Sq Ft ( 23-In W X 93-In L) | K292

Lowe's

$126.50

Johns Manville R- 13 Wall Kraft Faced Fiberglass Batt Insulation 163.39-Sq Ft ( 23-In W X 93-In L) | K292

Lowe's

$27.97

Johns Manville R- 13 Wall Kraft Faced Fiberglass Roll Insulation 40-Sq Ft ( 15-In W X 32-Ft L ) Individual Pack | B1284

Lowe's

1K+

$27.97

Johns Manville R- 13 Wall Kraft Faced Fiberglass Roll Insulation 40-Sq Ft ( 15-In W X 32-Ft L ) Individual Pack | B1284

Lowe's

1K+

$119.00

Johns Manville R- 19 Wall Kraft Faced Fiberglass Batt Insulation 133.68-Sq Ft ( 23-In W X 93-In L) | K1251

Lowe's

234

$119.00

Johns Manville R- 19 Wall Kraft Faced Fiberglass Batt Insulation 133.68-Sq Ft ( 23-In W X 93-In L) | K1251

Lowe's

234

All About Insulation R-Values

Feb 21, 2019

HOMEDEPOT