Lime Priming Plaster
Lime Priming Plaster
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Lime Priming Plaster

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Calcea® Lime Priming/Base Plaster

Technical Data

Product Brochure

Spreading Rate

with a plaster application of 15 mm approx. 1.1 m2 each 25 kg bag

Water Consumption

approx. 6 l each bag




CALCEA® lime priming plaster is a lime plaster mixed ex works made of natural hydraulic lime acc. to EN 459-1, Puzzolan and grainclassified lime crushed sands.


• free of cement

• suitable for allergy sufferers

• highly permeable

• moisture- and climate regulating

• exclusively consists of natural raw materials

• low-tension hardening process

• no mold formation due to high alkalinity


In the interior and exterior, in particular in biological, ecological building as well as cultural heritage protection. On masonry of all types, concrete and plaster supports. May be used on all suitable substrates in one or several layers. Excellently suitable as priming plaster for CALCEA® fine lime plaster, CAREMA® lime-clay fine plaster and CALCEA® fine lime coat as well as all mineral finish plasters. If CALCEA® lime priming plaster shall be used in exterior areas, please contact our technical consultants.

Plaster substrate

The plaster substrate must be dry, clean and free from loosely attached particles. Always carry out plaster substrate test according to VOB/C and DIN 18350. Smooth substrates and concrete surfaces must be pre-treated with a suitable bonding bridge. Any surfaces not suitable as plaster substrates must be spanned with plaster supports. If a bonding improvement or regulating of the absorbency of the substrate will be required, a net-shaped or full-surface preliminary splatter-dash with CALCEA® lime bonding plaster must be applied.


Process with all commonly used plaster machines or by hand. After absorption, sharply level with metal straight edge or smooth with grated scraper. Waiting period before further coating: per 1 mm layer thickness 1 day at suitable drying conditions. In case of plaster thickness of > 15 mm, it is compulsory to apply several plaster layers with a sufficient waiting period.

Special notes

Protect fresh plaster against fast drying-up. The air and surface temperature must be at least 5 ° C and maximum 25 ° C. CALCEA® lime priming plaster shall only be used in the original state without additives.


Dry, if possible on wooden shelves and protected against draft.

Technical data

Mortar group: CS I acc. to EN 998-1 PIc acc. to DIN 18550

Fire Class: A1

Grain size: 0 - 1.6 mm

Solid mortar raw density: 1.40 kg/dm3

Compressive strength 28 days: approx. 1.0 N/mm2

E-Module: approx. 1400 N/mm2

Water vapour diffusion

resistance factor µ: < 8

Water absorption: W0

Thermal conductivity: 0.80 W/(m·K)

Safety instructions

Mortal will react very alkaline with water, thus: Protect skin and eyes, rinse thoroughly with water in case of contact, immediately contact doctor in case of eye contact.

Quality-monitored production

CALCEA® lime priming plaster is continuously tested in our plant laboratory within the scope of our in-house monitoring with respect to the fulfilment of composition and properties. This will ensure a uniform quality of the product. CALCEA® lime priming plaster has the quality certificate „RAL plant dry mortar“ and is certified acc. to EN 998-1.