Heidelberg Materials Natural Hydraulic Lime (NHL) 3.5 Grey 25kg

Heidelberg Materials Natural Hydraulic Lime 3.5 Grey 25kg is a lime that offers excellent workability and good water retention. This versatile lime is resistant to sulphates and freeze thaw action, has high cohesion and low shrinkage. It is produced to meet the requirements for mortar, render and plaster for conservation, restoration and new build construction.

Features:

It provides options for the whole range of climatic conditions encountered in the UK.
NHL is particularly useful in designing mortars and renders to complement the strength of natural stone and soft brick construction.
Applications:

Heidelberg Materials NHL as a binder can be used for a wide range of applications for pointing, bedding, renders and plasters.

Technical data:

• Brand - Heidelberg Materials
• Product Type - NHL Hydraulic Lime
• Size - 25kg
• Colour - Grey
• Work Operating Temp. - 5°C To 30°C
• Compressive Strength (Mpa @ 91 days) - 3.5 (Mix 1 part of lime per 1½ part of sand)

Standards & Certifications:

It conforms to the requirements of BS EN 459-1 type NHL Natural Hydraulic Lime strength class 3.5. Heidelberg Materials NHL’s are produced from natural limestone deposits from the Socli quarry, in the South of France.  The Socli quarry is the only one in Europe to produce four different Natural Hydraulic Limes, the their three other NHL Limes are also available:

• NHL 2 White
• NHL 3.5 White
• NHL 5 White

We also manufacture ready mixed Natural Hydraulic Lime mortars both NHL 3.5 and NHL 5 in partnership with Heidelberg Materials Socli called Ironstone Mortar

• Ironstone NHL 3.5
• Ironstone NHL 5