REN Interior Paint

REN Interior Paint
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Product Description

REN Interior Paint with color is a high-quality, environmentally certified limewash paint for indoor use. The wall paint is a professional alternative to both acrylic and silicate paints. REN Interior Paint with color is free of VOCs and formaldehyde emissions and ideal for anyone allergic to chemicals.
The main constituent of REN Interior Paint with color is lime (CL90-PL). The paint contains no organic solvents, no preservatives (MI and MIC), no phthalates, no biocides/fungicides, no heavy metals and no microplastics.

Product Features

REN Interior Paint with color has unique technical and environmentally friendly features, is highly open to diffusion (Class 1), offers extremely good coverage and application properties. The product has a matt and textured finish similar to traditional limewash and possesses a natural antibacterial and mould-preventing effect that supports a healthy indoor climate.

Field of Application

For use indoors on plaster, fibre plaster, concrete, aerated concrete, render and brick as well as on previously sustainable and non-film paint protection treatments.


REN Interior Paint with color is available in 4-litre and 10-litre plastic buckets with tight-fitting lids.

Additional Information

KALK A/S has been the market leader for many years with products used for renovation of conservation and listed buildings among others. The products can also be used for new construction because of the good physical properties of the material:
•        Great flexibility in use
•        Great elasticity and adhesion
•        High tensile strength
•        Good porosity, which provides excellent insulation and moisture conditions.

We have extensive experience in assisting clients in the use of our products. The technical guidance, which we can offer, merely serves to aid you with experiences. Therefore, we do not take on the responsibility of being planning technicians. With regards to renovation work, we can refer to technicians who are familiar with renovation work on buildings worthy of preservation.


REN Interior Paint with color can be applied using a brush, roller or airless paint sprayer. Surfaces should be clean, dry and fixed without significant smudging. Matt or remove previous film treatments prior to painting. Fill small cracks and minor damage with REN Putty. Base-coat absorbent surfaces with REN Interior Paint with color diluted with 10-15% water. Apply REN Interior Paint with color 1-2 times. A second layer may be applied after four hours at a temperature of 25°C and at 60% RH. If grinding is required, suitable safety equipment should be used and a vacuum cleaner should be attached to the grinding equipment. Always carry out a test application before commencing work.

Please note that the product becomes thicker and more difficult to pump at lower temperatures.

Spray angle: 30º
Spray distance: 50-60 cm
Nozzle size: 0,027 i.
Minimum sprayer strength: 1750 W
Machine filter: 30-40 mesh.

Limitations on use

Mineral bases must be at least 28 days old/be dried white before paint application is commenced. REN Interior Paint with color must only be used at temperatures above +5°C and below +25°C. Humidity must be below 80% RH.
Do not use REN Interior Paint with color on surfaces that are in continuous contact with water. Damp problems must be resolved before paint application commences. REN Interior Paint with color does not prevent bleed-through of water-soluble colours, water stains or salts. High pigmentation may produce minor differences in colour. Finishing paintwork at corners or other natural transition points is therefore recommended. Any spot repairs with REN Interior Paint with color will be noticeable. Base must be resistant to high alkalinity. Surfaces that are not being treated, e.g. wood, glass, tiles, metal etc., must be covered.


Shelf life of a minimum of 12 months under cool, but frost-free storage conditions in tightly closed original packaging. REN Interior Paint with color can be thickened without losing its properties. Always stir paint before use. Avoid dried paint from the inside of the bucket falling down into remaining paint.


Clean tools with water immediately after use.

You can find product sheet and safety data sheet for REN Interior Paint with color by clicking on the image below