0656 FLOOR SANDING AND FINISHING
1. GENERAL
1.1 Scope
This worksection covers supply and application of a factory-formulated waterborne clear coating system to prepared timber floors. The finish coat shall be Bona SuperSport 2K (2K waterborne polyurethane, 2K-component) at sheen.
1.2 Referenced documents
1.3 Compliance and certification
The finish shall hold the following current certificates, copies of which are submitted with the specification:
No third-party certifications published.
1.4 Sustainability targets
The specified finish meets the nominated project compliance targets: (none nominated).
2. PRODUCTS
2.1 Finish coat
Product: Bona SuperSport 2K.
Chemistry: 2K waterborne polyurethane.
VOC (max, incl. hardener where applicable): per TDS g/L.
Solids content (approx.): approx. 32%%.
Gloss level (60deg): .
Packaging: supplied in the manufacturer's original unopened containers with batch identification. Do not site-mix products from different batches without manufacturer concurrence.
2.2 Primer / sealer
Primer: per manufacturer system (see TDS). Verify species compatibility against the Bona species x primer matrix.
2.3 Substrate compatibility
Substrate not nominated; verify species compatibility against the Bona species x primer matrix before tender.
3. EXECUTION
3.1 Preparation
Sand to bare timber with progressive grits, final pass P120 or finer. Vacuum and tack-mop immediately prior to coating. Ambient conditions to be within the manufacturer's stated range: 18-25 degrees C, 30-60% RH, substrate moisture content within the WoodSolutions / TFIA range for the species and locale.
3.2 Coating system
Apply per TDS in accordance with the TDS and attached Specifier Paragraphs. Coverage rate (refer to TDS) m2/L per coat. Recoat interval 2-4 hours minimum at 20 degrees C / 60% RH. Light sand P150 or finer between coats where the inter-coat window is exceeded.
3.3 Cure and handover
Light foot traffic from approximately 6 hours after final coat. Full use from 12 hours. Cover with carpet / rug no earlier than 3 days after final coat. Do not wet-clean for 7 days.
3.4 Slip resistance
Where specified: classified to AS/NZS 4586 at not tested / refer to TDS (wet pendulum). Refer to attached test report PDF.
4. SELECTIONS
Complete the application schedule for each area of the project. Supporting documents (TDS, SDS, certification PDFs, Bona Specifier Paragraphs, applicator warranty) are listed under Required attachments.
| Room / Area | Substrate | Product | Sheen | Coats |
|---|---|---|---|---|
| [Insert area] | [Substrate] | Bona SuperSport 2K | [Sheen] | [n] |
Warnings
- Substrate not nominated; verify species compatibility against the Bona species x primer matrix before tender.