Bona R540 Moisture Barrier

Bona R540 1C – Polyurethane Primer Multipurpose Silane based usage adhesive with the new revolutionary titanium technology. Bona R540 is a reactive 1-component polyurethane primer and moisture barrier designed for use on absorbent and non-absorbent sub floors before the use of Bona silane adhesives; Bona Quantum and R820. The product can be used for damp proofing cement screeds and concrete floors…

Key features

• Easy to apply
• Very good adhesion to all kinds of sub floors
• High penetration
• Moisture barrier
• Suited for underfloor heating
• Cementitious screed (CT) according to EN 13813
• Calcium sulphate screed (CA) according to EN 13813 (Only as primer and not as a DPM)
• Concrete
• New chipboards / particle board (P4-P7), OSB 2 – OSB 4 boards, plywood - as primer only
• Mastic asphalt screed (AS) according to EN 13813, properly sanded

Physical properties

Density	1.14 g/cm³ [Bona_R540_TDS.pdf]
Viscosity	Thin liquid [Bona_R540_TDS.pdf]

Application

Coverage	is achieved [Bona_R540_TDS.pdf]
Notes	Applied beneath Bona adhesives to manage residual slab moisture. Enables adhesive installation on high-moisture slabs (up to 97% RH). Has an EPD (Environmental Product Declaration).

Compatibility

Substrates	concrete, cement-screed, anhydrite
Moisture max pct cm	6.0
Rh max pct	97.0
Use with	bona-optispread-ux, bona-r820-adhesive, quantumt-adhesive

Compliance

Ec1 plus	True

Documents

• TDShttps://www.bona.com.au/images/bona/data-spec-sheets/Bona_R540_TDS.pdf
• SDShttps://www.bona.com.au/images/bona/data-spec-sheets/Bona_R540_SDS.pdf
• SPEChttps://www.bona.com.au/images/bona/data-spec-sheets/Bona_R540_Specifier_Paragraphs.pdf
• PAGEBona product page ↗
• PAGEBona spec page ↗
• PDFBona_R540_SDS.pdf
• PDFBona_R540_Specifier_Paragraphs.pdf
• PDFBona_R540_TDS.pdf