NHL 3.5, Natural Hydraulic Lime.
Medium strength, moderate setting speed.
Suitable for most building applications.
NHL 5, Natural Hydraulic Lime.
Higher strength, faster setting speed.
Suitable for dense or exposed masonry.
NHL 2, Natural Hydraulic Lime.
Lower strength, slower setting speed.
Suitable for soft or sheltered masonry.
NHL stands for natural hydraulic lime.
The number relates to compressive strength in N/mm².
Singleton Birch is UK’s leading independent lime manufacturer.
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Conserv, lime putty, limewash & natural hydraulic limes are brought to you by
Stone Tech (Cleveland) Ltd
Stonemasons, stonemasonry & stone restoration, north east England.