How do you calculate acoustic fiber cost?

Multiply fiber area by material cost and usable yield for the subtotal, then add facing/handling. For 520 sq ft at $4.20/sq ft, 90% yield, plus $240: 520 x 4.20 x 0.90 = $1,965.60, plus $240 = $2,205.60.

Why is fiber cheaper than foam per square foot?

Fibrous media like PET and fiberglass are lower-cost feedstocks, so the base price (here $4.20) is below typical melamine foam — but facing and handling adders narrow the gap, landing this example at $4.24 effective per sq ft.

What is usable fiber yield?

The share of purchased batt area that reaches finished parts after edge scrap, loft rejects, and trim. Fluffy fiber tends to yield slightly worse than rigid foam, often around 88-92%.

What is the facing/handling cost for?

It captures the scrim or film facing fiber usually needs, plus the extra careful handling to avoid crushing loft. At $240 here it adds about $0.46 per sq ft.

Fiber vs foam — which is cheaper?

Run both calculators with your real yields and adders. Fiber often wins on raw price but can lose on facing and handling; the effective cost per sq ft is the number to compare, not the base price.

Does loft compression affect this cost?

Not directly in the math, but if assembly crushes the batt you lose absorption and may need thicker fiber, raising area or grade — model that by adjusting the inputs.

Acoustic, Noise, Vibration & NVH Products calculator

Acoustic Fiber Cost Calculator

The Acoustic Fiber Cost calculator estimates the delivered material cost of fibrous sound absorbers — fiberglass, polyester PET, mineral wool, or cotton-shoddy batts — after waste yield and facing or handling charges. Fibrous media behave differently from foam in both acoustics and cost: they are often sold by area at lower price points, but they require facing scrims, handling care to avoid loft loss, and they generate fluffy edge scrap that hurts yield. NVH estimators and buyers use this to price duct liner, headliner cores, and barrier-decoupler batts, and to compare fiber against foam on an apples-to-apples per-square-foot basis. It matters because fiber is frequently the low-cost absorber choice, and quantifying the facing and yield penalties is what keeps that cost advantage real.

What this calculator does

Estimate fiberglass, mineral wool, or PET fiber cost from treated area, material rate, usable yield, and fixed handling cost.
a product designer or estimator needs acoustic fiber cost for panels, baffles, or lined enclosures
It computes total fiber cost by applying usable yield to area times material price and adding a facing or handling charge, then reports the effective cost per square foot.

Formula used

Fiber subtotal = fiber area required × fiber material cost × usable fiber yield
Total fiber cost = fiber subtotal + facing/handling cost

Inputs explained

Fiber area required:
Fiber material cost:
Usable fiber yield:
Facing/handling cost:

How to use the result

Use it when quoting fibrous absorbers, weighing fiber against foam, or pricing the scrim facing and handling that fiber media demand.
It prices the absorber material and facing as a lump handling adder; it does not model loft compression or the acoustic performance change if the batt is squeezed during assembly.

Common questions

How do you calculate acoustic fiber cost? Multiply fiber area by material cost and usable yield for the subtotal, then add facing/handling. For 520 sq ft at $4.20/sq ft, 90% yield, plus $240: 520 x 4.20 x 0.90 = $1,965.60, plus $240 = $2,205.60.
Why is fiber cheaper than foam per square foot? Fibrous media like PET and fiberglass are lower-cost feedstocks, so the base price (here $4.20) is below typical melamine foam — but facing and handling adders narrow the gap, landing this example at $4.24 effective per sq ft.
What is usable fiber yield? The share of purchased batt area that reaches finished parts after edge scrap, loft rejects, and trim. Fluffy fiber tends to yield slightly worse than rigid foam, often around 88-92%.
What is the facing/handling cost for? It captures the scrim or film facing fiber usually needs, plus the extra careful handling to avoid crushing loft. At $240 here it adds about $0.46 per sq ft.
Fiber vs foam — which is cheaper? Run both calculators with your real yields and adders. Fiber often wins on raw price but can lose on facing and handling; the effective cost per sq ft is the number to compare, not the base price.

Last reviewed 2026-05-12.