Adhesive system
· silane-modified polymer
· 1K
Bona R820
Bona R820 Silane based adhesive with the new revolutionary titanium technology. Bona R820 is a hard-elastic (according to EN ISO 17178) 1-component silane-based adhesive for the installation of engineered and solid timber floors, including overlay, block parquet floors.
Key features
- Good adhesion to almost all substrates and timber materials
- Good initial bonding strength
- Balanced shear strength and elasticity
- Good rib stability
- Very low emissions EMICODE EC1 Plus
- Cementitious screed / concrete
- Calcium sulphate screed
- Floors levelled with levelling compounds (minimum 2 mm thick, resistant against plasticizer migration)
- New chipboard / OSB boards / plywood, etc. The subfloor must be firm and stable.
- Other dry and sound subfloors
Application
| Open time | ca. 60 min* [Bona_R820_TDS_AU.pdf] |
|---|---|
| Coverage | rates and even spread of [Bona_R820_TDS_AU.pdf] |
| Trowel | – appropriate to the flooring type [Bona_R820_TDS_AU.pdf] |
| Notes | Hard-elastic silane polymer adhesive for solid and engineered timber. Strong initial tack. |
Compatibility
| Substrates | concrete, cement-screed, plywood, particleboard |
|---|---|
| Moisture max pct cm | 4.0 |
Compliance
Documents
- TDShttps://www.bona.com.au/images/bona/data-spec-sheets/Bona_R820_TDS_AU.pdf
- SDShttps://www.bona.com.au/images/bona/data-spec-sheets/Bona_R820_SDS.pdf
- PAGEBona product page ↗
- PAGEBona spec page ↗
- PDFBona_R820_SDS.pdf
- PDFBona_R820_TDS_AU.pdf
Data for this page is generated from r820-adhesive.json in the Bona build corpus,
sourced from the Bona-published TDS, SDS and brochure PDFs listed above. The structured JSON
is also used by the clause builder
and the Aiden chatbot. Anything shown as — is a data gap we haven't been able to source from Bona yet.