1. Sound absorbing sawdust concrete hollow brick TECHBUD CS-24-1-30

   1.1. General characteristics
   1.2. Acoustic characteristics

2. Sound absorbing sawdust concrete hollow brick TECHBUD CS-24-1-30-T

   2.1. General characteristics
   2.2. Acoustic characteristics

3. Sound absorbing sawdust concrete slab TECHBUD CS-50-T

3.1. General characteristics
3.2. Acoustic characteristics

4. Sound absorbing sawdust concrete slab TECHBUD CS-100-OT

   4.1. General characteristics
   4.2. Acoustic characteristics

5. Acoustic baffle TYPE I

   5.1. General characteristics

   Acoustic baffle type I - their carrying elements are steel poles on reinforced concrete foundation, with reinforced concrete slabs mounted between them, and onto those slabs, facing sound source, sound absorbing sawdust concrete panels TECHBUD CS-50-OT are pinned . After installing the panel set baffle surface is painted with a special paint according to appropiate garphical design.

    

   Fig. 1. Acoustic baffle TYPE I building method

    

5.2. Acoustic characteristics

Baffle acoustic insulation as tested amounts to:

R_av = 37 dB

Fig. 2. Location of observation points O1 and O2 in relation to which comparative evaluation of baffle efficiency was conducted.

Acoustic efficiency is presented in the table below:

 

6. Acoustic baffle TYPE II

6.1. General characteristics
6.2. Acoustic characteristics

7. Acoustic baffle TYPE III

   7.1. General characteristics
   7.2. Acoustic characteristics

8. Acoustic baffle TYPE IV

   8.1. General characteristics
   8.2. Acoustic characteristics

9. Acoustic baffle TYPE V

   9.1. General characteristics
   9.2. Acoustic characteristics

10. Acoustic baffle TYPE VI

    10.1. General characteristics
    10.2. Acoustic characteristics
    10.3. Assembly
    10.4. Advantages