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SMET NHL 3.5 - Natural hydraulic lime binder

Verified by manufacturer 6 months ago

SMET Building Products Ltd Third party certifications:
  • BES 6001

    BES 6001

    Certificate type

  • ISO 14001 Environmental Management Systems

    Certificate type

  • ISO 9001 Quality Management

    Certificate type

Moderately natural hydraulic lime binder.

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+44 (0)28 3026 6833 Website

Application

Particularly suited for ecological new build, restoration and preservation works.

Description

SMET NHL 3.5 is a high quality pure natural hydraulic lime binder, produced under an ISO 9001 and ISO 14001 quality system to BS EN 459-1. The moderate hydraulic strength development of SMET NHL 3.5 makes it suitable for producing lime mortars for masonry work, rendering, plastering base coats and limecrete. The product’s special composition allows the mortar product to breathe and also permits constant hygrometric exchange between the substrate and the environment.


Features and benefits:

  • Historical, gypsum and cement-free natural hydraulic lime (NHL).
  • Produces highly breathable mortars.
  • Highly sulfate resistant.
  • Low-stress hardening process.
  • Excellent subsequent hardening.
  • High water retention and elasticity in produced mortars.
  • Excellent bond properties to masonry.
  • Fineness at 90 μ: 4%.
  • Fineness at 200 μ: 0.7%.
  • Free lime content: Approx. 26.8%.
  • SO3: Approx. 1.22%.
  • EN 459-1.
  • CE marked.

General information

Color

White

Material

Hydraulic lime

Uniclass

Pr_20_31_12_39 Hydraulic limesPrimary

CAWS

M20/58 Lime:sand roughcast (harling)

M20/57 Lime:sand

M20/320 Lime:sand roughcast (harling)

M20/310 Lime:sand

Product range

Natural Hydraulic Lime

Specification data - Hydraulic limes

Type of hydraulic lime

Natural hydraulic lime.

Standard

To BS EN 459-1.

Designation

NHL 3.5.

Mechanical strength

4.25 MPa (approximately).

Manufacturer guidance

28 days

Expansion

0.5 mm.

Density

Bulk: 0.8 g/cm³; Real: 2.71 g/cm³.

Water

Free water content: 0.87%.

Third party certifications

BES 6001

BES 6001

BES 6001 Certificate | Smet Building Products Ltd

ISO 14001 Environmental Management Systems

ISO 14001 Environmental Management Systems

BSI Certificate of Registration ISO 14001:2015

ISO 14001 Environmental Management Systems

ISO 14001 Environmental Management Systems

BSI Certificate of Registration ISO 45001:2018

ISO 9001 Quality Management

ISO 9001 Quality Management

BSI Certificate of Registration ISO 9001:2015

Literature

TDS SMET NHL 3.5

TDS SMET NHL 3.5

SMET Natural Hydraulic Lime Brochure

SMET Natural Hydraulic Lime Brochure

ASBP Membership Certificate_valid until May 24

ASBP Membership Certificate_valid until May 24

BSI Certificate of Registration ISO 14001:2015

BSI Certificate of Registration ISO 14001:2015

BSI Certificate of Registration ISO 45001:2018

BSI Certificate of Registration ISO 45001:2018

BSI Certificate of Registration ISO 9001:2015

BSI Certificate of Registration ISO 9001:2015

Corporate and Social Responsibility Statement Policy | Smet Building Products Ltd

Corporate and Social Responsibility Statement Policy | Smet Building Products Ltd

Responsible Sourcing Policy | Smet Building Products Ltd

Responsible Sourcing Policy | Smet Building Products Ltd

Case studies

Donegal Parish Church Restoration | Rainey Restoration Ltd | SMET NHL 3.5

Donegal Parish Church Restoration | Rainey Restoration Ltd | SMET NHL 3.5

Dechomet Cemetery Moneyslane Restoration and repairs | Rainey Restoration Ltd | SMET NHL 3.5

Dechomet Cemetery Moneyslane Restoration and repairs | Rainey Restoration Ltd | SMET NHL 3.5

Similar products from SMET Building Products Ltd

SMET NHL 5 - Natural hydraulic lime binder

SMET NHL 5 - Natural hydraulic lime binder