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K Lime Natural Hydraulic Lime Mortars Description of Product
This is an assessment of K Lime Natural
Hydraulic Lime Mortar range; K Lime Finishing
112, K Lime Setting 213 and K Lime Coarse
413. These are a range of dry bagged mortars
using lime, rather than cement as a binder and
conforming to BS998 : 2003 parts 1 and 2, for
use in stonemasonry, pointing, brick laying,
block laying and a plaster and render.
Key Factors Assessed
Safety in case of Fire
Health, Hygiene and Environmental
Safety in Use
Durability serviceability and identification
Validity
This certificate was first issued on 3rd August 2017 and is valid until 3rd August 2020
Issue Dated 4th September 2019
Certificate No: EW597D
This Registered Detail relates to Kilwaughter Minerals Limited’s K Lime Natural Hydraulic Lime Mortar range; K Lime
Finishing 112, K Lime Setting 213 and K Lime Coarse 413 range of dry bagged mortars using lime, rather than cement as a
binder and conforming to BS998 : 2003 parts 1 and 2, for use in stonemasonry, pointing, brick laying, block laying and a
plaster and render. They designed for use with standard density concrete blockwork, brickwork or natural stone. Finishing
112 and Setting 213 can be used as bedding for natural stone tiles. Coarse 413 can be used a hydraulic lime floor screed.
The K Lime Natural Hydraulic Lime Mortar range is declared to be suitable for external use due to the results of its adhesion
and capillary water absorption properties.
K Lime Natural Hydraulic Lime Mortar range is not suitable for application on horizontal or sloping surfaces. It should not
be continued over movement joints, damp proof courses, weep holes or air vents. Adequate flashings should be provided to
prevent water penetrating behind the render.
K Lime Natural Hydraulic Lime Mortar range is suitable for use in passive conditions of exposure. According to BS EN
13914-1:2016 renders which have a Capillary Water absorption Class W0 are suitable for use in passive conditions of
exposure. Kilwaughter always recommends the use of a breathable paint as additional protection.
K Lime Natural Hydraulic Lime Mortar range have a stated (EN 13501 – 1 : 2007) reaction to fire (class) A1 are classified as
non-combustible and are suitable for all situations.
K Lime Natural Hydraulic Lime Mortar range has a shelf life of approximately 1 year if stored in original unopened
packaging in dry conditions.
K Lime Natural Hydraulic Lime Mortar range should be installed by a competent operative in accordance with the
manufacturer’s instructions and specifications and the relevant sections of BS EN 13914 – 1 : 2016 over a suitably prepared
substrate. Prior to application the prepared surface needs to be assessed for suitability, clean, smooth and free from
efflorescence. Consideration should be given to installing wall mounted fittings such as down pipe brackets prior to
rendering using stainless steel fixings. Application should only take place when the temperature of the substrate and
surrounding air exceeds 5℃. It should not be applied to damp or frozen substrates or in strong sunshine or wind, at
temperatures in excess of 35℃ or if exposure to frost is likely to occur during curing. Surfaces should to be completed
without interruption. Fresh render needs to be protected from rain, mist and frost and from drying too quickly. Drying times
may be prolonged by low temperatures and/or elevated humidity.
The K Lime Natural Hydraulic Lime Mortar range are supplied as a powder and need to be thoroughly mixed (for at least 10
minutes in order to dissolve the powder additives) with 4 – 5 litres of clean water per 25 kg for hand application by hawk
and trowel.
For render only applications the BBA certificates use the phrase “designed to be installed by a competent, skilled renderer or
a contractor, experienced with this type of product”. K Rend products are sold through various retail outlets consequently it
is not possible to control who purchases and uses the products. Kilwaughter therefore expect the end customer (i.e. builder,
owner etc.) to satisfy themselves about the quality of the workmanship expected from the installer.
In the opinion of LABC, K Lime Natural Hydraulic Lime Mortars if used in accordance with the
provisions of this Certificate, will meet or contribute to meeting the relevant requirements of the
following Building Regulations:
The Building Regulations 2010 (as amended) England & Wales
Regulation 7 Materials and workmanship
Note: The products are acceptable.
The Building Regulations 2010 (as amended) England
AD B Fire Safety
Note: Subject to the limitations detailed in the Conditions section.
AD C Site Preparation
Note: Subject to the limitations detailed in the Conditions section.
AD L1A Conservation of fuel and power – in new dwellings
Note: The thermal insulation performance of this product should be considered in the
context of the contribution made to the overall performance of the relevant thermal
element.
AD L1B Conservation of fuel and power – in existing dwellings
Note: The thermal insulation performance of this product should be considered in the
context of the contribution made to the overall performance of the relevant thermal
element.
ADL2A Conservation of fuel and power – in new buildings other than dwellings
Note: The thermal insulation performance of this product should be considered in the
context of the contribution made to the overall performance of the relevant thermal
element.
AD L2B Conservation of fuel and power – in existing buildings other than dwellings
Note: The thermal insulation performance of this product should be considered in the
context of the contribution made to the overall performance of the relevant thermal
element.
The Building Regulations 2010 (as amended) Wales
AD B Fire Safety
Note: Subject to the limitations detailed in the Conditions section.
AD C Site Preparation
Note: Subject to the limitations detailed in the Conditions section.
AD L1A Conservation of fuel and power – in new dwellings
Note: The thermal insulation performance of this product should be considered in the
context of the contribution made to the overall performance of the relevant thermal
element.
AD L1B Conservation of fuel and power – in existing dwellings
Note: The thermal insulation performance of this product should be considered in the
context of the contribution made to the overall performance of the relevant thermal
element.
ADL2A Conservation of fuel and power – in new buildings other than dwellings
Note: The thermal insulation performance of this product should be considered in the
context of the contribution made to the overall performance of the relevant thermal
element.
AD L2B Conservation of fuel and power – in existing buildings other than dwellings
Note: The thermal insulation performance of this product should be considered in the
context of the contribution made to the overall performance of the relevant thermal
element.
The Building (Scotland) Regulations 2004 (as amended)
If you would like to discuss a specific use of the product in Scotland it will require an additional
assessment under the Scottish Building Regulations and accordingly you should contact the LABSS
STAS Administrator at www.labss.org
LABC Warranty
Pending Assessment
BSI Certificate of Registration – Occupational Health & Safety Management System – OHSAS 18001-2007 (Cert No. OHS 611118
expires 17/12/2017)
BSI Certificate of Registration – Environmental Management System – ISO 14001:2004 (Cert No. EMS 611117 expires 16/11/2017)
BSI Certificate of Registration – Quality Management System – ISO 9001:2008 (Cert No. FM85394 expires 14/09/2018)
BSI Kitemark Licence No. KM 514639 – K Rend Range Of Rendering Mortars to BS EN 998-1. (Issued 30/08/2007)
K Rend Declaration of Performance: DoP – K Lime Finishing 112 - EN 998 - 1 - 12/16 (dated 22nd December 2016) K Rend K
Lime Finishing 112
K Rend Declaration of Performance: DoP – K Lime Setting 213 - EN 998 - 1 - 12/16 (dated 22nd December 2016) K Rend K Lime
Setting 213
K Rend Declaration of Performance: DoP – K Lime Coarse 413 - EN 998 - 1 - 12/16 (dated 22nd December 2016) K Rend K Lime
Coarse 413
K Rend Specification Ref: KR40-09 K Lime Finishing 112 onto Stone/Natural stone (version 02/2017 expires 08/2017)
K Rend Specification Ref: KR41-04 K Lime Setting 213 onto brickwork (version 02/2017 expires 08/2017)
K Lime Natural Hydraulic Lime Mortar – Information Brochure (Nov 2015)
Application Instructions & Health & Safety Information – K Lime Natural Hydraulic Lime Mortar (undated)
K Rend Product Safety Data Sheet – K Lime 112, 213, 413 (March 2017)
Kilwaughter Minerals Ltd
9 Starbog Road
Larne
Co. Antrim
N. Ireland.
BT40 2TJ
Tel: 028 2826 0766
Email: sales@k-rend.co.uk
Web: www.k-rend.co.uk
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