St. Astier is Europe's most technologically advanced producer of natural hydraulic limes and the market leader in the UK. They are highly respected in the Lime industry, having been in continuous production since 1851 and long renowned for quality, performance and unparalleled technical support.
NHL 3.5, the most popular of St. Astier's high quality Natural Hydraulic Limes, is suitable for countless applications as a mortar or render in the care and repair of older traditionally constructed buildings.
Available in 25kg bags.
- Suitable for most masonry types
- High vapour permeability - Breathable
- Flexible - Good modulus of elasticity
- Tolerant to exposure
Working temperatures: 5 deg C - 30 deg C. Make sure that high suction materials are thoroughly dampened before application.
Avoid rapid drying by high temperatures or strong winds. Keep cool and damp during curing process. Protect fresh mortar from frost, rain, direct sun and strong wind for a minimum of 48 hours depending on the time of year.
