Articles tagged “free download”
6 articles covering free download in acoustic engineering and building design.
Free BS 8233 Quick Reference Guide — UK Indoor Noise Level Criteria (PDF)
BS 8233:2014 indoor noise level targets for dwellings and other buildings. Table 4, Table 5, ventilation noise allowance, WHO guideline values, and relationship to Approved Document E.
Free DIN 18041 Compliance Poster — German Room Acoustic Targets at a Glance (PDF)
DIN 18041:2016 T_soll targets for all 7 room categories on one reference poster. T_soll formula, k-values, volume ranges, tolerance bands — print and use on site.
Free ISO 3382 Measurement Procedure Card — Field Reference for RT60 Testing (PDF)
Step-by-step ISO 3382-2:2008 measurement procedure for field RT60 testing. Equipment checklist, position rules, T20/T30 criteria, data quality checks — one-page site reference.
Free NRC Comparison Cheat Sheet — 50 Products with Octave-Band Data (PDF)
NRC comparison table for 50 acoustic products with full octave-band absorption data (125–4000 Hz). Ceiling tiles, wall panels, flooring, and furniture with real absorption coefficients.
Free RT60 Target Reference Card — Every Room Type, Every Standard (PDF)
Complete RT60 target reference card: 20+ room types across ISO 3382, DIN 18041, BB93, ANSI S12.60, and WELL v2. Real values, tolerances, and volume ranges.
Free WELL v2 Feature 74 Compliance Checklist — All 7 Parts Covered (PDF)
Step-by-step WELL v2 Feature 74 compliance checklist covering all 7 parts (L01–L07): thresholds, measurement methods, documentation requirements, and common failure points.