Use and Care Manual
Date Revision : 12-17-2017
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classico Limewash Technical Data Sheet TDS
TM
Roller Applications
This product is not recommended for roller applicaons.
Paint Sprayers
FULL COVERAGE
1ST COAT: Classico Limewash is a non-aggregate paint and can be used in most 
airless sprayers. Dilute Classico Limewash with 50% water, 7.5 liters of water 
per one (1) 15-liter bucket to 120% diluon, 18 liters of water per one (1) 15-liter 
bucket when applying paint to achieve a full coverage nish. For brick or stone it is 
required to pre-wet all masonry surfaces with water thoroughly to facilitate slow 
drying of the limewash. This also assists limewash paints to absorb deeper into 
the masonry surface. It is suggested to dampen previously all masonry surfaces 
with water thoroughly, so as to assist lime wash paints to absorb deeper into the 
masonry surface. Do not apply paint to overly wet surfaces. Allow 1st coat to dry 
for at least 2 – 8 hours before applying 2nd coat. Parcular care must be taken 
when using a sprayer on brick or stucco to apply product abundantly, without 
causing paint runs, so as to permit proper millage thickness for longer durability.
2ND COAT: Classico Limewash paint should be applied wet on wet. This means 
that the brick or stone surface should be dampened throughly with water before 
the applicaon of the 1st Coat, and the same with the 2nd Coat when applying 
onto the 1st Coat of Classico Limewash. Keep painted limewash walls damp when 
applying the 2nd Coat. Use an adjustable spray hose aachment to dampen walls. 
Dilute Classico Limewash with 50 – 120% water, and apply as instructed above for 
1st coat.
Diluons with water are suggested as general guidelines for applicaon, but 
paint applicator may adjust diluons as needed to meet best uses for ease of 
applicaon, job site requirements and nishes.
SPRAY TIP USAGE: Classico Limewash may be applied using an airless sprayer. 
Apply paint product with a # 0.019 – 0.021 mm size spray p. Always use new 
spray ps for starng a paint job for best results. This will also conserve the 
amount of paint necessary to complete the job.
GRAIN SIZE: 0.01 mm
MIXING PAINT & WATER
ROMABIO BioCalce lime paint formulas are concentrated and require water to be 
added to them for proper use. This process means we can sell more coverage in 
an economical package that decreases the cost for transport, reduces the carbon 
footprint, and is less impact to the environment.
Mix paint and water with an electric drill and paint paddle, or mix well by hand! If 
water is sing on the top of your mixture, the paint is not properly mixed!
TOOLS
Apply with an appropriate masonry brush composed of synthec bristles or with 
an appropriate sprayer and sprayer p. Paint rollers cannot be used to apply 
BioCalce lime paints. 
TOOL CLEANING
Brushes, sprayers, rags, or sponges should be cleaned immediately aer use with 
water and a mild detergent or dish soap. 
DRYING TIME
For Wash O Eects, the Limewash applicaon is generally a 1 coat process, 
but a 2nd or 3rd coat may be applied for decorave eects. Allow newly applied 
limewash to set 10-40 minutes depending on temperature and sun. Wash o 
process can begin when bricks appear half wet/half dry, before painted surface is 
completely dry to the touch.
For Full Coverage Applicaons, allow a drying me between coats of at least 
2 – 8 hours for the 1st coat, and with successive coats allow at least 1 – 4 hours 
between coats. With lower temperature and humidity more me may be needed.
Do not apply Classico Limewash on the exterior if there is a risk of severe 
thunderstorms or showers during the 12-hour drying me needed for product to 
dry and carbonize correctly.
CONSUMPTION/COVERAGE
Limewashes: Approximately 1,000 
2
 / 93 mt
2
 – 2,000 
2
 / 186 mt
2
 depending on 
absorpon and type of base. Determine exact consumpon by performing a test 
on the surface to be treated.
Full Coverage: Approximately 800 
2
 / 74 mt
2
 – 1,300 
2
 / 121 mt
2 
depending on 
absorpon and type of base. 
.
Determine exact consumpon by performing a test 
on the surface to be treated.
PACKAGING
Plasc buckets of 1, 2.5, and 15 liters.
APPLICATION CYCLES ON DIFFERENT 
TYPES OF BASES
Make sure base is solid, dry and well cleaned, prepared with skill. It is 
recommended to observe the rule VOB DIN 18 363, Part C, paragraph 3.
New Cement Stuccos
Portland Cements
INTERIOR / EXTERIOR: New portland cement stucco should not be painted for 
about 21 – 28 days to ensure proper curing, anchoring and drying.
PRE-PRIMER COAT: Apply one (1) coat of Potassium Silicate Concentrate or 
EcoForte Consolidator with brush, roller or sprayer diluted 100% with water (1:1), 
or 10 liters of water per one (1) 10 liter bucket as a pre-primer, and allow to dry for 
at least 8 – 12 hours. 
PRIMER COAT: Apply one (1) coat of BioGrip Micro primer, nted if necessary*, 
with brush, roller or approved sprayer for ne aggregate, diluted 30% with water, 
or 4.5 liters per one (1) 15 liter bucket and allow to dry for at least 8 – 12 hours.
1ST & 2ND COATS: Apply two (2) coats of Classico Limewash according to 
GENERAL APPLICATION INSTRUCTIONS. Classico Limewash should be applied 
wet on wet. This means that the surface should be dampened throughly with 
water before the applicaon of the 1st Coat, and the same with the 2nd Coat 
when applying onto the 1st Coat of Classico Limewash. Use an adjustable spray 
hose aachment to dampen walls. 
RECOMMENDATION: For Full Coverage applicaons of lime paint on exterior 
portland stucco nishes, it is advised to apply BioCalce Flat Lime paint as this 
product is beer suited to non-mineral surface type applicaons such as portland 
cement stucco. Once the BioCalce Flat Lime paint has dried 
NHL 3.5 & 5.0 Cements
Classico Limewash can be applied to freshly cured wet or damp NHL 3.5 or 5.0 
stucco for maximum eect to intensify durability and create blushing eects. 
For ease of applicaon apply Classico Limewash by sprayer covering completely 
moist stucco cement and allow to dry. A 2nd coat is not required for use in such 
instances. Apply Classico Limewash according to instrucons.
When NHL 3.5 and NHL 5.0 cements have exceeded the damp cycle and have 
been dried for several days, Classico Limewash should be applied wet on wet. This 
means that the surface should be dampened throughly with water before the 
applicaon of the 1st Coat, and the same with the 2nd Coat when applying onto 
the 1st Coat of Classico Limewash. Use an adjustable spray hose aachment to 
dampen walls. 
1ST & 2ND COATS: Apply two (2) coats of Classico Limewash according to 
GENERAL APPLICATION INSTRUCTIONS. Classico Limewash should be applied 
wet on wet. This means that the surface should be dampened throughly with 
water before the applicaon of the 1st Coat, and the same with the 2nd Coat 
when applying onto the 1st Coat of Classico Limewash. Use an adjustable spray 
hose aachment to dampen walls. 
Apply with an appropriate masonry brush composed of synthec bristles or with 
an appropriate sprayer and sprayer p. Paint rollers cannot be used to apply 
BioCalce lime paints. 







