Free Acoustic Design PDF Downloads
40 free PDF resources for acoustic professionals: pocket reference cards, compliance checklists, visual posters, and professional report templates. All standards-cited and ready to print.
Showing 40 of 40 downloads
RT60 Targets by Room Type
Single-page reference card listing recommended RT60 values for 12 common room types including classrooms, offices, concert halls, and hospitals. Covers ISO 3382-2, BB93, and WELL v2.
Material NRC Quick Reference
Pocket card with NRC ratings for the 30 most commonly specified acoustic materials, from mineral wool ceiling tiles to fabric-wrapped panels and perforated timber.
Building Code Comparison Matrix
Side-by-side comparison of acoustic requirements across 7 international building codes: BB93, DIN 4109, NCC/AS 2107, NRA, IBC, WELL v2, and ANSI S12.60.
STI Interpretation Guide
Quick reference for Speech Transmission Index values and their qualitative ratings. Includes STI thresholds per IEC 60268-16 and common causes of poor intelligibility.
Noise Criteria Quick Reference
NR, NC, and RC curve target values for common room types on a single card. Includes octave-band limits and recommended background noise levels for offices, studios, and hospitals.
Absorption Coefficient Cheat Sheet
Octave-band absorption coefficients (125 Hz to 4 kHz) for 20 common building surfaces including concrete, plasterboard, carpet, glass, and timber flooring.
Room Mode Calculator Reference
Pocket guide to axial, tangential, and oblique room modes with formulas and a quick-lookup table for rectangular rooms up to 100 m³.
Sabine & Eyring Formulas
All key reverberation time formulas on one card: Sabine, Eyring, Millington-Sette, and Fitzroy. Includes notation guide and when to use each equation per ISO 3382-2.
WELL v2 Feature 74 Requirements Summary
Single-page summary of WELL v2 Sound concept (Feature 74) requirements including RT60 limits, background noise thresholds, STC minimums, and speech privacy criteria.
Sound Insulation Rating Guide
Quick reference for STC, Rw, IIC, and L'nT,w ratings with performance categories, typical assembly values, and cross-standard equivalence table.
WELL v2 Feature 74 Compliance Checklist
20-point checklist covering every WELL v2 Sound concept requirement. Tick off RT60 verification, background noise measurement, STC testing, and documentation steps.
BB93 School Acoustic Checklist
Comprehensive checklist for UK Building Bulletin 93 compliance in schools. Covers RT60 targets by room type, indoor ambient noise levels, and sound insulation between spaces.
BS 8233 Residential Acoustic Checklist
Checklist for BS 8233:2014 residential acoustic design covering internal ambient noise targets, facade sound insulation, and noise from building services.
LEED EQ Acoustic Credit Checklist
Checklist for LEED v4.1 EQ Credit: Acoustic Performance. Covers sound isolation (STC), reverberation time, background noise (NC/RC), and reinforcement system requirements.
Acoustic Specification Checklist
General-purpose checklist for writing acoustic specifications. Covers performance criteria, material schedules, testing requirements, and contractor submittal reviews.
Site Acoustic Survey Checklist
Field survey checklist for acoustic site assessments. Equipment list, measurement positions, ambient noise readings, and documentation requirements per ISO 16283.
Material Selection Checklist
Decision-making checklist for selecting acoustic materials. Covers NRC requirements, fire rating, sustainability (EPD), cost, aesthetics, and installation method.
Post-Construction Acoustic Test Checklist
Checklist for post-completion acoustic testing. Covers RT60 measurement, background noise surveys, STC/IIC field testing, equipment calibration, and reporting.
Acoustic Retrofit Assessment Checklist
Assessment checklist for acoustic retrofit projects. Covers baseline measurement, problem diagnosis, treatment options evaluation, cost-benefit analysis, and verification plan.
Green Building Acoustic Compliance Checklist
Unified checklist covering acoustic requirements across WELL, LEED, BREEAM, and Green Star certifications. Maps common criteria to avoid duplicate testing.
Classroom Acoustic Zones Poster
Large-format poster showing the four acoustic zones in a typical classroom: direct sound field, early reflections zone, reverberant field, and shadowed areas with recommended treatments.
Office Noise Map Poster
Visual noise map showing typical sound pressure levels across open-plan and closed office environments. Colour-coded zones from 30 dB (private office) to 70 dB (break room).
Absorption Coefficient Visual Guide
Illustrated poster showing absorption coefficients for 15 surface types at six octave bands. Bar chart format with colour coding by material category.
Sound Propagation Diagram
Educational poster illustrating direct sound, reflected sound, diffracted sound, and transmitted sound paths through a building section. Includes inverse square law decay.
RT60 by Room Type Infographic
Colourful infographic comparing recommended RT60 ranges across 12 room types. Visual timeline format from 0.3 s (recording studio) to 2.0 s (cathedral).
Material Comparison Chart
Wall poster comparing 20 acoustic material types across five dimensions: NRC, cost per m², fire rating, sustainability score, and aesthetic options.
Building Code World Map
World map poster highlighting countries with mandatory acoustic building codes. Colour-coded by stringency level with key standard references for each region.
Acoustic Measurement Guide Poster
Step-by-step visual guide to acoustic measurement procedures. Covers equipment setup, microphone positions, source positions, and common pitfalls per ISO 3382.
Treatment Placement Guide
Room diagram poster showing optimal placement zones for absorbers, diffusers, and bass traps. Separate layouts for studios, offices, classrooms, and meeting rooms.
Frequency Spectrum Poster
Educational poster mapping the audible frequency spectrum (20 Hz to 20 kHz) with instrument ranges, speech frequency bands, octave band centres, and weighting curves (A/C).
RT60 Calculation Report Template
Professional report template for RT60 reverberation time calculations. Includes room data input, material schedule, Sabine/Eyring results table, and compliance summary.
WELL v2 Feature 74 Submission Template
Report template formatted for WELL v2 Feature 74 performance verification submissions. Pre-structured sections for RT60, background noise, STC, and speech privacy evidence.
Acoustic Specification Template
Project specification template for acoustic design requirements. Covers performance criteria, material specifications, testing standards, and acceptance thresholds.
Acoustic Survey Report Template
Field survey report template with sections for site description, measurement methodology, equipment list, results tables, analysis, and recommendations.
Material Schedule Template
Structured template for documenting acoustic material selections. Columns for product name, manufacturer, NRC, fire rating, area, cost, and installation notes.
Compliance Certificate Template
Professional certificate template for confirming acoustic compliance. Suitable for BB93, DIN 4109, IBC, and general building code sign-off with space for test results.
Building Acoustic Assessment Template
Comprehensive assessment report template covering airborne and impact sound insulation, room acoustics, building services noise, and environmental noise impact.
School Acoustic Survey Template
Survey report template tailored for educational buildings. Structured for BB93/ANSI S12.60 compliance with classroom-specific RT60, BNL, and STC measurement sections.
Office Noise Assessment Template
Assessment report template for office acoustic environments. Sections for open-plan D2,S measurement, speech privacy, background noise NC/RC rating, and treatment recommendations.
Residential Sound Test Template
Pre-completion sound testing report template for residential buildings. Covers airborne (DnT,w) and impact (L'nT,w) tests per ISO 16283 with pass/fail assessment.
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