Appraisal number: 501 (2022)
Date issued: 23 Mar 2022
Putz Technik System 300 Cavity System
Description
Putz Technik System 300 is a cavity-based exterior insulation and finishing system (EIFS) wall cladding. It is an external wall cladding system for residential and light commercial type buildings where domestic construction techniques are used.
The system consists of expanded polystyrene (EPS) sheets fixed over polystyrene or timber battens to form the cavity. The coating system consists of 5-10 mm thickness of fibreglass mesh reinforced plaster, which is finished with a latex exterior paint system. The plaster finish can be textured to give different appearances, such as sponge, float, adobe or scratch (medium or coarse).
The system incorporates a primary and secondary means of weather resistance (first and second line of defence) against water penetration by separating the cladding from the external wall framing with a nominal 20 mm drained cavity.
Technical literature
- Putz Technik Mineral Plaster Technology - System 300 Technical Manual, Version 1.4, March 2017.
- Putz Technik System 300 Cavity System Drawing Register, Version 1.4.
Consenting instructions
Always refer to the Appraisal in full and the technical literature.