Lime Plaster Scratch Coat - Products

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

This is Hempire\'s most popular product. Our Scratch coat reduces by half the labour normally required to apply lime plasters. No need for special aggregates or delays to avoid cracking. Can be applied thickly. Ideal for straightening un-even surfaces

Scratch Coat is a very fiberous stick and light weight hemp lime plaster. A very verstaile and easy to use & multifunctional material. Builders woner how they managed without it! The material easily fill voids and due to its low slump will stay where its put. This plaster will suck moisture out of walls and if used correctly will recover most building from being terminally damp. This is really an excellent material and our most popular product!

Ready to use factory prepared hemp fibre re-enforced fat lime  plaster with mineral aggregates. The material is lightweight, has good coverage, anti-splash and good bonding characteristics.

The material is suitable as an insulating foundation coat on internal and external surfaces.

Milled and screened whole hemp, high calcium lime, mineral aggregates and water supplied as a pre-formulated paste which requires agitation before use.

A solid light weight fibre re-enforced material combines masonry and organic qualities. The material has good breathable, insulating, thermal mass, flexible and hygroscopic qualities.

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 10-20 mm.

Internally: For textured finish, finish with steel float or for smooth mat finish use Hempire

Externally: To finish apply Hempire

Use only breathable paints internally and externally. See

for a wonderful range of breathable lime stable pigments and paints.

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.

Lime is a caustic material with abrasive mineral components: take care to protect finished surface from lime staining and scratching by covering and/or cleaning as work progresses.

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.

Artisan finish can be achieved by hand see website.

Do not not use in damp basements.

Do not use within 150 mm of outside ground level.

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

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