Ratings & Reviews for Johns Manville R- 19 Wall Unfaced Fiberglass Roll Insulation 75.07-sq ft ( 23-in W x 39.17-ft L ) Individual pack
4.7
Review
4.7 out of 5
1508 Reviews
96% Recommend this product
Ratings may include incentivized customer reviews.
What Customers Are Saying
This insulation product is highly effective at insulating spaces and providing good sound insulation. Customers praised the easy installation and the encapsulated design, which helps reduce skin irritation. The insulation is reported to keep spaces warm in winter and cool in summer, and it offers good value for the price.
Customer review summary generated by AI, including incentivized reviews.1508 Customer Reviews
Would Recommend
GREAT PRODUCT EASY TO APPLY
WILLIESeptember 11, 2026
From R- 13 Wall Kraft faced Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack Verified Purchaser
From R- 13 Wall Kraft faced Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack Verified Purchaser
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WONDERFUL PRODUCT
Would RecommendProtection went great in my outdoor shed!
Louisiana33September 7, 2026
From R- 13 Wall Kraft faced Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack Verified Purchaser
From R- 13 Wall Kraft faced Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack Verified Purchaser
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Quality product
Would RecommendReplaced some moisture damaged bathroom wall insulation. Easy install. Good quality insulation.
SBaker1952September 6, 2026
From R- 13 Wall Kraft faced Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack Verified Purchaser
From R- 13 Wall Kraft faced Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack Verified Purchaser
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Great
Would RecommendJust what I needed for insulation. I'm doing drywall repair
RandySeptember 2, 2026
From R- 19 Wall Kraft faced Fiberglass Roll Insulation 48.96-sq ft ( 15-in W x 39.167-ft L ) Individual pack Verified Purchaser
From R- 19 Wall Kraft faced Fiberglass Roll Insulation 48.96-sq ft ( 15-in W x 39.167-ft L ) Individual pack Verified Purchaser
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