Koster Thermal Restoration Plaster
Verified by manufacturer 1 month ago
Koster Thermal Restoration Plaster is a pure mineral insulating plaster with good thermal insulation properties. Suitable for the repair of masonry damaged by moisture and salts.
Application
For the repair of masonry damaged by moisture and salt, especially after the installation of a horizontal barrier. The installation of a horizontal barrier and the Koster Thermal Restoration Plaster is suitable for all moisture and salt levels in masonry. For improving the insulation value of the masonry and for use against mould growth.
Description
Koster Thermal Restoration Plaster is a pure mineral insulating plaster with good thermal insulation properties that is free from plastics. Suitable for the repair of masonry damaged by moisture and salt, especially after the installation of horizontal barriers.
Features and benefits:
- Allows masonry to dry and desalinate without damage even at high salt levels.
- Suitable for heavily moisture and salt-contaminated substrates.
- Offers a reduction of condensation levels/ improves the indoor climate.
- High thermal efficiency, and is hydrophobic.
- Salt encapsulating.
- Lightweight.
- Can be applied at a layer thickness up to 50 mm.
- Easy application.
- Seamless application.
- Suitable for new construction and repair on existing structures.
- Free of plastics.
- Pollutant-free restoration of existing masonry.
- Ecologically sustainable (50% high-quality recycled raw material).
- Available in 12.5 kg bags.
- Water uptake coefficient of w ≤ 2 kg/m² *√h at ≤5 mm uptake.
General information
Color | Other |
Material | Mineral Plaster |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | 50 mm Guidance for specification option: Recommended layer thickness. |
Uniclass | |
CAWS | M20/240 One coat proprietary plaster M20/47 One coat proprietary plaster M20/42 Multicoat proprietary plaster M20/220 Multicoat proprietary plaster |
Specification data - Insulating plasters
Capillary absorption | W1. |
Compressive strength - 28 days | ≤2 N/mm² (Class CS I). |
Consumption (per layer applied) | 5 kg/m² (per cm layer thickness). |
Density | 0.65 kg/L (density of fresh mortar). |
Flexural strength | ≤1.5 N/mm². |
Porosity | ≥40%. |
Reaction to fire | To BS EN 13501-1, Class A2-s1, d0. |
Setting time | 60 minutes. |
ThermalConductivity | λ = 0.14 W/(m·K). Guidance for specification option: To DIN 4108. |
Volume | ≥30%. Guidance for specification option: Air pore volume (fresh mortar). |
Water vapour diffusion resistance | μ ≤15. |
WaterRequirement | 40%. |
Sustainability data
Contains Red List materials | No |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 50 % |
Literature
KÖSTER The Green Pages of Construction Chemicals
Thermal Restoration Plaster