Summary
NSAI Agrément certified, bound EPS liquid floor insulation.
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Application
Suitable for internal application to ground-supported and suspended floors in existing and new domestic and non-domestic building applications.
Typically installed:
- Below a concrete floor slab.
- Below a floor screed on a concrete slab with a hardcore base.
- Above a suspended concrete floor (e.g., block and beam) with a floor screed.
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Description
baseTherm® is an NSAI Agrément certified, pumpable light-weight thermal and insulation screed mortar. It consists of EPS beads, fast-drying cements and Isostay proprietary additive produced and installed using a mobile floor insulation factory. It is used as a thermally insulating, non-structural, bound expanding polystyrene system (BEPS) which contributes to the thermal and acoustic performance of floors.
Features and benefits:
- Seamless, void-free poured floor insulation.
- Factory-produced on-site meaning there is no waste.
- Rapid pumped installation.
- Non-combustible.
- Ultra-lightweight.
- Acoustic benefits.
- Highly insulating from 0.041 W/mK.
- Mixed on site.
- Uses a purpose-built mobile EPS mortar delivery system.
- The system is available in four grades, baseTherm® Low Lambda, baseTherm® 150, baseTherm® 200, and baseTherm® 250.
- NSAI Agrément certified.
- Meets the requirements of I.S. EN 16025-1 and I.S. EN 16025-2.
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Product certifications
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Digital objects
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Material
Polystyrene, Cement
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Shape
Formless
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Specification
Fire performance
Class A2.
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Compressive strength (minimum) at 10% compression
To EN 826, CS (10)100.
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Thermal conductivity (maximum)
To EN 12667, 0.041 W/mK.
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Additional properties
Particle size
To EN933-1, ≤ 6 mm.
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Mortar
To EN 12350-6, ± 178 kg/m³.
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Density
To EN 1602, ± 85 kg/m³.
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IsolatorCompressibility
To EN 12431, ≤ 2 mm.
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Water vapour diffusion resistance
To EN 12086, 5 to 20.
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Water absorption
To EN 1609, ≤ 2.6 kg/m².
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Dynamic tensile tension
To EN 29052-1, 127 MN/m³.
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U-value
From 0.041 W/mK.
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Mortar type
EPS beads, fast-drying cements and Isostay proprietary additive.
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Sustainability data
A1–A3 ('Production stage')
Embodied carbon as defined in BS EN 15804
Normalized unit
1.41 kg CO₂ eq/kg
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Declared unit
1.41 kg CO₂ eq/kg
Certified
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