High-density R-15 batts for 2×4 walls where maximum thermal performance matters. Wholesale pricing, same-day quotes, next-day delivery nationwide. No minimum order.
No minimum · Pay at delivery · All 50 states
R-15 HD delivers measurably better performance than standard R-13 in the same 2×4 wall cavity — without any framing changes. For code-compliant upgrades or spec upgrades on existing projects, it's the easiest win.
IECC 2021 requires R-15 continuous or R-15 cavity for many 2×4 assemblies in zones 4–8. High-density R-15 meets cavity requirements without adding exterior foam, simplifying your build.
The density of R-15 HD gives it higher sound attenuation than standard fiberglass batts. For multifamily, hotels, and condos where STC performance matters, R-15 is the right fiberglass choice.
Enter your square footage for an instant bag estimate.
Tell us your R-value, width, quantity, zip code, and delivery date. We respond within the hour — same business day guaranteed.
We confirm stock and send an itemized invoice with your exact delivery window. No vague lead times, no surprise markups.
Delivery next business day on stocked product. Verify the order on arrival, then pay at delivery. No upfront payment.
Both fit a 2×4 cavity. R-15 is high-density — slightly thinner but denser, with 15% better thermal performance. Many codes in climate zones 4+ now require R-15, making it the preferred upgrade.
Yes. R-15 HD is engineered to fit snugly in a standard 2×4 wall cavity (3.5" depth). It's thinner than a standard batt but denser — no framing modification needed.
No minimum. Order as few or as many bags as your job requires. Larger orders typically earn better per-bag pricing — ask when you call.
Next business day on stocked product when ordered before 3pm EST. We deliver nationwide. Rush orders: call to discuss.
Call or text with your quantity, width, and zip code. Same-day quote, next-day delivery on stocked product. Pay at delivery — no upfront payment required.
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