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508 guides to quieter rooms

Plain-language guides on acoustic panels for every kind of building, wall and ceiling acoustics, and how STC ratings and soundproofing work.

Open-plan office with rows of hanging felt baffles

Acoustics by building type

Planning guides for homes, offices, schools, restaurants, healthcare and more: how many panels, where they go, what they cost and what the code says.

Home office with three navy acoustic panels behind the desk

Wall acoustics

How different wall constructions sound, how to mount panels on them, and how to raise their STC.

Three fabric ceiling clouds hanging on steel cables

Ceiling acoustics

Clouds, baffles and ceiling tiles for every kind of ceiling, from drywall to open structure.

Home recording studio with panels at the reflection points and a ceiling cloud

STC ratings and soundproofing

What STC, OITC and IIC mean, the techniques that block sound, and typical ratings for common wall assemblies.

Library reading room with round ceiling clouds

Acoustics fundamentals

NRC, RT60, the Sabine formula and the other ideas behind every acoustic decision.

Meeting room with a honeycomb wall of hexagon panels

Room calculator

Estimate the echo in your room and how many panels bring it down.

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What is NRC?Noise Reduction Coefficient explained, with typical values for common materials.NRC vs SAAThe Sound Absorption Average and why some specs use it.What is RT60 (reverberation time)?How reverberation is measured and what values feel right.The Sabine formula, step by stepHow to estimate reverberation time and the absorption a room needs.Absorption vs soundproofingWhy acoustic panels do not soundproof, and what does.How thickness changes what a panel absorbsWhy low frequencies need deeper panels.

Most read

Acoustic panels for home offices: the complete guideWhat makes home offices noisy, which panels fix it, and how to plan treatment from start to finish.How many acoustic panels does a home office need?A worked Sabine calculation for a typical home office, with panel counts for small, typical and large rooms.Where to put acoustic panels in a home officeWhere panels do the most good in home offices, in priority order.Wall acoustics for home officesHow walls behave acoustically in home offices and how to treat them with panels.Ceiling acoustics for home officesClouds, baffles and ceiling tiles for home offices, and how much of the ceiling to cover.Choosing panel thickness for a home office1, 2 or 4 inches: which thickness suits home offices and why.