External Lime Render - Products

By: Hempire Building  05/12/2011
Keywords: clean water, Rising Damp, renovation work

High mineral final coat for the exterior. Formulated to form a quick setting eggshell finish to throw off water. Hempire External Render maintains breathability while protecting insulating layers from water ingress.

External Lime Render is suitable as a finish coat over Hempire

on external surfaces and on Hempire Limecrete.

A high calcium lime, glass, sharp sand and water supplied as a pre-formulated render which requires some agitation before use.

Applied manually using steel plastering trowel. Spray gun can be used but superior finish achieved manually. Use only clean water without admixtures.

Use an electric hand mixer and mix thoroughly before application.

Can be applied at thicknesses of 3-8 mm.


Externally: Avoid work below 5 degrees centigrade. If winter work is essential, close in work area by erecting scaffold, membrane, and thermostatically triggered heating to maintain temp above 5 degrees centigrade. During hot dry weather use water liberally on substrates and finished plaster to prevent crazing and re-work with wooden float.  When plastering on breathable boards, take extra care to avoid board becoming saturated prior to application.

Designed to be ap

plied as finish to Hempire

. Also suitable for a wide range of substrates. Background to be stable and dust free. Highly absorbent surfaces must be dampened beforehand.


Use bell cast at base and drip-line above openings.

High humidity and non-absorbent substrates will increase setting time. Plaster benefits from working and compression with wooden/steel float.

Use only breathable Potassium Silicate Paints available from

and also

.

In renovation work mineral staining may sometimes occur. Consult a painting expert to achieve a breathable finish.

In renovation work, strip non-breathable renders from wall, rake out non breathable pointing provide adequate drainage around building and ensure breathable floor is installed to avoid forced migration of rising damp in walls. Where adequate steps have been taken allow time for walls to gradually dry out.

Do not not use in damp basements.

Do not use within 150 mm of outside ground level.


Keywords: clean water, Electric Hand Mixer, External Render, Forced Migration, High Humidity, renovation work, Rising Damp, Spray Gun,

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