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Warmcote - Insulated Lime Plaster

Verified by manufacturer 6 months ago

Best of Lime Ltd Third party certifications:
  • Warringtonfire

    Warringtonfire

    Certificate type

  • UK Conformity Assessed (UKCA)

    UK Conformity Assessed (UKCA)

    Certificate type

A lightweight, breathable, insulated traditional lime plaster mix for internal or external use.

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Application

Pour no more than 15 litres of clean water into a mixing tub.

Gently add Warmcote, mixing with a plasterer’s paddle, don not add all of the dry plaster at once, bring gradually to the required consistency. If necessary add more water.

There is no ‘right or wrong’ amount of water to add, it can be used at whatever consistency best suits the job, be it thinned down for spraying or thick enough to hand trowel.

Once Warmcote is uniformly mixed, gently add all the fibres from the small bag and mix thoroughly, it does not need to stand, it can be used straight away.

DIRECTIONS FOR USE

Ensure that the background is clean and free from loose friable or dusty material.

Warmcote can be used for the full thickness of plaster from dubbing out to a polished finish in one, two or multiple coats on most backgrounds, it also works very well as a scratch coat beneath a Limecote finish. We would not however recommend its use as a finish on timber frames or backgrounds where background movement is a factor, a finish coat of Limecote would however be perfect.

Description

Warmcote has been developed to offer insulation for traditional, historic buildings where the use of modern systems would be inappropriate and potentially damaging.


Used in conjunction with sustainable, breathable boards such as cork, wood fibre or sprayed hemp, Warmcote's traditional lime plaster mix can make a significant improvement to the living environment of a home.


The original drive behind its development was to offer some thermal benefit to traditional 'hard to insulate' buildings, particularly timber framed buildings where it may be aesthetically undesirable to apply boards to the exterior.


Features and benefits:

  • Breathable, flexible, very lightweight and can be applied at practically any thickness.
  • Useful for making good damaged clay lump, cob, masonry or daub.
  • Made with lightweight minerals as the aggregate in place of sand.
  • The lambda value of Warmcote is approximately 0.140 W/mK; about five times more thermally efficient than a standard lime plaster and eight times better than sand and cement.

General information

Color

Cream

Finish

Fine

Smooth

Material

Lime

Shape

Formless

Length

Bespoke

Width

Bespoke

Height

Bespoke

Uniclass

Pr_35_31_64_47 Lime plastersPrimary

CAWS

M20/47 One coat proprietary plaster

M20/240 One coat proprietary plaster

M20/220 Multicoat proprietary plaster

M20/42 Multicoat proprietary plaster

Specification data - Lime plasters

Components

Non-hydraulic lime.

Mix

Manufacturer's standard.

Reinforcement

Fibres.

Density

625 kg/m³.

CompressiveStrength

To BS EN 1015-11: 2019, 1.6 N/mm² (28 days).

Reaction to fire

Class A1.

Water vapour permeability

To BS EN 1015-19: 1999, 1.302 kg/m².s.Pa.

ThermalConductivity

To BS EN 1745: 2020, 0.140 W(m.k)

Manufacturer guidance

Mean Thermal Conductivity λ (Dry).

Sustainability data

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Recyclability

At end of life can be fully ground down and reincorporated into a future plaster

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

0 %

Third party certifications

Warringtonfire

Warringtonfire

Reaction to Fire

UK Conformity Assessed (UKCA)

UK Conformity Assessed (UKCA)

Declaration of Performance

Literature

Warmcote Data Sheet

Warmcote Data Sheet

Warmcote DoP

Warmcote DoP

Case studies

Net Zero, Insulate Britain!

Net Zero, Insulate Britain!

High Baxter Street, Bury St. Edmunds

High Baxter Street, Bury St. Edmunds

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