Name: STAUF VPU 155 S Solvent Free Polyurethane Primer 5ltr
Brand: My Store
Price: 69.99 GBP
Availability: InStock

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STAUF VPU 155 S Solvent Free Polyurethane Primer 5ltr

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STAUF VPU 155

STAUF VPU 155 S is a solvent-free polyurethane primer designed as a damp proof membrane for cement subfloors with residual moisture up to 3.5 CM%. This economical and universally applicable primer ensures a dust-free surface, ideal for subsequent installations using STAUF polyurethane, SPU, or SMP-based adhesives. Suitable for various subfloors, including mastic asphalt screed, concrete, calcium sulphate floors, wooden planks, wood fibre boards, chipboards, OSB boards, unlaminated gypsum fibre boards, and cement floors.

STAUF VPU 155 S offers excellent coverage, ensuring efficient and cost-effective application.

As a Primer: For subfloor priming, a single coat is typically sufficient, covering approximately 40-50 m² per 5kg container, depending on the absorbency and condition of the subfloor. This ensures optimal preparation for adhesive application and enhances bond strength.
As a Damp Proof Membrane (DPM): When used as a moisture barrier, the coverage varies based on the required number of coats:1 coat: Covers up to 40–50 m² per 5kg for moderate residual moisture levels.2 coats: Covers up to 20–25 m² per 5kg, offering enhanced protection for subfloors with higher residual moisture levels (up to 3.5 CM%).

Its versatility and economical coverage make it an ideal choice for various subfloor preparation needs.

Specification	Details
SKU	ACS-STA-PRI
Product	STAUF VPU 155 S 5L Canister
Product Type	Solvent-Free Polyurethane Primer
Special features	Damp proof membrane on cement subfloors with residual moisture, very economical, universal use
Application range	Damp proof membrane on cement subfloors with residual moisture up to 3.5 CM-%, primer under STAUF PU, SPU and SMP adhesives, primer under STAUF levelling compounds sprinkled with sand
Suitable subfloors	Mastic asphalt screed, concrete C 25/30 according to DIN 1045 (non-skid surface), calcium sulphate (flow) floors (no moisture barrier), wooden planks, wood fibre boards, chipboards (P4 to P7), OSB boards (OSB/2 to OSB/4), unlaminated gypsum fibre boards, cement floors
Product properties	Suitable on subfloor heating systems, ready for use, solvent-free, creates a dust-free surface ready for installation using STAUF polyurethane, SPU or SMP based adhesives, very low emission
Color	Honey
Drying time	Approx. 30–45 minutes at 20°C; 2nd layer (DPM): approx. 2 hours at 20°C
Coverage / Consumption	Approx. 150 g/m² when applied with roller; 2nd layer (damp proof membrane): approx. 250 g/m² when applied with roller
Room climate at work site	Minimum 15°C, maximum 75% relative humidity, preferably max. 65%
Shelf-life	9 months
Giscode	RU1
Emicode	EC1 Plus
Available Packaging	5 kg plastic canister
Subfloor Examination	Before application, inspect the subfloor according to DIN 18356, DIN 18365, or applicable national standards. The surface must be sound, crack-free, level, permanently dry, clean, and free from contaminants that may affect adhesion. Check porosity, surface strength, moisture content, absorption, temperature, humidity, and subfloor temperature. Calcium sulphate (flow) floors and magnesite floors must be permanently dry. Cement floors with residual moisture up to 3.5 CM-% can be treated as a damp-proof membrane using STAUF VPU 155 S.