Sale
Verified Top PickInsulation4US lists 72 products in its On Sale collection, most marked save up to 15%, including Owens Corning and Knauf fiberglass batts and rolls. No code is needed and no end date is shown, as seen on 29 October 2026.
Limited Time Offer
R-49
VerifiedA masterpack of Owens Corning R-49 Kraft Faced Fiberglass Batts is $336.69 against a compare-at price of $396.10, or $2.10 per sq ft, on the Insulation4US sale page as shown on 29 October 2026.
Limited Time Offer
R-19
VerifiedThe Knauf Ecobatt R-19 Kraft Faced Batts are $265.51 per masterpack against a compare-at price of $312.37, or $0.68 per sq ft, as shown on the Insulation4US home page on 29 October 2026.
Limited Time Offer
R-38
VerifiedOwens Corning R-38 Unfaced Fiberglass Batts are $201.78 per masterpack against $237.39, and the R-30 Unfaced Batts are $209.36 against $246.30, on the Insulation4US sale page as shown on 29 October 2026.
Limited Time Offer
Roll
VerifiedThe Knauf Ecoroll R-19 Kraft Faced Fiberglass Roll is listed from $205.72 against a compare-at price of $242.02, about $21.01 per roll, as shown on the Insulation4US sale page on 29 October 2026.
Limited Time Offer
R-13
VerifiedA masterpack of Owens Corning R-13 Unfaced Fiberglass Batts costs $290.86 against a compare-at price of $342.19, or $0.55 per sq ft, on the Insulation4US sale page as shown on 29 October 2026.
Limited Time Offer
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Extra codes from partner brands, refreshed alongside this store's offers.
A practical savings guide for shoppers using Insulation4less US offers.
Insulation4US does not show a public promo code right now. The saving on its site is the On Sale collection, where 72 products are marked save up to 15%, with no code and no end date shown. A free email membership promises new discounts and promotions, and contractors can open a Pro account.
Prices are per masterpack or roll. Owens Corning R-49 Kraft Faced Batts are $336.69 against $396.10, R-38 Unfaced Batts are $201.78 against $237.39 and R-13 Unfaced Batts are $290.86 against $342.19. Knauf Ecobatt R-19 Kraft Faced Batts are $265.51 against $312.37, and the Knauf Ecoroll R-19 roll starts at $205.72 against $242.02. Owens Corning FOAMULAR 250 XPS boards start at $43.55.
Delivery charges apply to US addresses, with a minimum $79 delivery charge within 100 miles of the supplier and extra charges for remote areas, liftgate or limited access. Most orders are dispatched in 5 to 10 working days, and some stock items can be collected by will-call pickup. Returns are accepted within 30 days for unopened goods, with a 30% restocking charge unless the item is faulty, and special orders cannot be returned. Cancelling more than 2 hours after ordering costs $30.
Offers on this page were checked on the shop's own website on 29 October 2026.
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