Alldry Salt Seal
A water-thinnable alkali-block primer that stops white salt patches (efflorescence) from pushing through paint. It can be used inside and outside.
Best for: Walls with white salt patches, Under exterior emulsion on alkaline plaster, Interior walls before putty and primer
At a glance
- Coverage
- 100-120 sq.ft per litre per coat on cured uniform plaster; 80-100 sq.ft per litre on porous or rough walls
- Coats
- 1 coat, then 2-3 topcoats outside or putty-primer-topcoat inside
- Touch dry
- 4-6 hours
- Recoat after
- 4-6 hours
- Thinning / mixing
- 100% with potable water; use within 24 hours; strain through a fine sieve
- Apply with
- Brush
- Pack sizes
- 1 L, 4 L, 20 L
- Shades
- White
- Warranty
- 8 years on exterior walls as an undercoat for Birla Opus exterior topcoats
- Low VOC / green
- Low VOC
- Shelf life
- 36 months
- Good to know
- Moisture below 10%. Apply between 10 and 40 degrees C. Not on bitumen or asphalt. No rain for 4 days.
How much will I need?
A rough estimate from the coverage on the data sheet. Real coverage depends on the wall.
Enter the wall area or room size.
Why choose it
- Blocks salt and alkali coming through the wall
- Soaks into pores for good grip
- Resists peeling, chalking and flaking
- Low VOC
How to use it
Cure new walls 28 days. Pressure-wash at 160 bar or more and scrape off loose paint, dust and algae. Fill cracks and holes. Make sure the wall is dry (moisture meter in the green zone).
Recommended system
- Alldry Crack Master (cracks up to 3 mm)
- White cement and sand 1:3 or cement putty for holes
- Birla Opus topcoats over it
Source These details are taken from Birla Opus's official website and technical data sheet, and written in simple words by APS. Brands update their products from time to time, so please check the pack and the latest data sheet before use. See the official page
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