Saint-Astier® NHL 3.5 - Lime binders - Cement-Free Natural Hydraulic Lime

Saint-Astier® NHL 3.5 - LC****, The Versatile Lime is suitable for a range of projects, including lathwork, lime concrete, injection, grouting, rendering, pointing, capping, bedding and ashlar. Harder set than NHL 2, appropriate for both external works in traditional buildings and sensitive heritage sites, as well as new builds.

Features and benefits:

• Breathable, versatile, workable and reliable. Compatible with plaster. Designed to be resistant to sulphates and salts.
• Preserves local sand colour.
• Reworkable within 12 hours.
• Available in 25 kg bags and 1 ton pallets (40 bags).

Application method.

• Always test product on a small area before using.
• Can be mixed with cement mixer. Application by spray gun possible.
• Recommended working temperature between 8° C and 30° C.
• Ensure high-suction substrates are thoroughly dampened before application. Avoid rapid drying due to high temperatures and strong winds by covering with hessian and curing with a light water mist as necessary. Re-seal open bags as soon as possible. 
• Before repointing, ensure all dust and debris are removed by washing with a light water spray and the joints are dampened to the back of the joint.

For further mortar and render mix ratios and application guidelines, please contact SAINT-ASTIER®.