Ratings & Reviews for CertainTeed InsulPure R- 21 Wall Kraft faced Fiberglass Batt Insulation 77.5-sq ft ( 15-in W x 93-in L)
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this insulation for exceptional thermal performance, ease of installation, and outstanding value. Most highlight its snug fit in standard wall cavities, precut sizing for 16" and 24" on-center framing, and DIY-friendly design requiring no special tools. Reviewers note measurable energy savings, improved home comfort, and effective pipe-freeze prevention. Many appreciate the solid, heavy material that doesn't scatter, comparing it favorably to pricier alternatives. A few mention skin irritation when handling and suggest wearing protective gear. Overall, customers consider it an excellent choice for both new construction and remodeling projects.
Customer review summary generated by AI, including incentivized reviews.Check the product before loading.
Would RecommendI was loaded with wrong product, realized only after reaching home, had to make an extra trip and also I was sent emails saying my items are ready but had to wait for almost 30 mins for the items outside.
From InsulPure R- 19 Wall Kraft faced Fiberglass Batt Insulation 87.19-sq ft ( 15-in W x 93-in L) Verified Purchaser
serves the purpose
Would Recommendeasy to install. Good quality
From InsulPure R- 19 Wall Kraft faced Fiberglass Batt Insulation 87.19-sq ft ( 15-in W x 93-in L) Verified Purchaser
Ask for help.
Would RecommendLike customers service.
From InsulPure R- 38 Attic Kraft faced Fiberglass Batt Insulation 64-sq ft ( 24-in W x 48-in L) Verified Purchaser
Full thickness, easy to cut and install
Would RecommendI used this to insulate a roof with 2x10 joists. Once out of the package and manually "fluffed", the batts were 10" or thicker, completely filling the space. They trimmed easily using a utility knife and staples held the face paper well.
From InsulPure R- 30 Attic Kraft faced Fiberglass Batt Insulation 58.67-sq ft ( 16-in W x 48-in L) Verified Purchaser
Good products
Good product
From InsulPure R- 38 Attic Kraft faced Fiberglass Batt Insulation 64-sq ft ( 24-in W x 48-in L) Verified Purchaser
Wear gloves
Would Recommenddurability, made with quality material, price was good
From InsulPure R- 19 Wall Kraft faced Fiberglass Roll Insulation 48.96-sq ft ( 6.25-in W x 39.2-ft L ) Multi-pack Verified PurchaserIncentivized
Precut for 8’ walls
Would RecommendPrecut for 8’ walls on 16”center. Paper face has edges that are easy to staple
From InsulPure R- 15 Wall Kraft faced Fiberglass Batt Insulation 77.5-sq ft ( 15-in W x 93-in L) Verified PurchaserVerified Pro Incentivized
Precut to 4’
Would RecommendPrecut into 4’ sections to fit between joists on 24” center
From InsulPure R- 38 Attic Kraft faced Fiberglass Batt Insulation 64-sq ft ( 24-in W x 48-in L) Verified PurchaserVerified Pro Incentivized
Precut for 8’ walls on 24” center
Would RecommendGood basic fiberglass batts precut for 2x6 walls 8’ tall
great, could use updated packaging
Would Recommendproduct works as intended but difficult to transport due to size, should be nice if it came in bag that was sealed with the air removed
From InsulPure R- 38 Attic Kraft faced Fiberglass Batt Insulation 64-sq ft ( 24-in W x 48-in L) Verified PurchaserIncentivized