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Emperor Masonry Paint

Product Datasheet

A cutting-edge, silicone-based super hydrophobic masonry paint. Suitable for use on brick, stone, render, previously painted exterior walls and more.

Emperor Masonry Paint

Finish

Matt

Composition

Water-based

Inspection

Prior to painting, check the integrity of the render. A simple method is to use a small tack hammer, gently tap the render and if the sound is hollow then the render has detached from the wall. It must be hacked off then made good with a suitable render repair system. Allow the render repair to fully cure, which will take approximately 24 hours.

Preparation

Clean the whole area using a pressure washer, removing all contamination and allow to dry. If you are coating previously painted render remove all loose and flaking material. This will normally happen at the power wash stage but if any loose and flaking material is still evident then hand sand back to a firm edge. Apply Emperor Masonry Cleaner on to all areas that have had moss, mould or fungal growth. Allow this to dry for a minimum 3 hours at 20ยฐC temperature. At lower temperatures the drying time will be extended.

Application Conditions

Minimum temperature 5ยฐC.

Application Method

Brush, paint roller or airless spray.

Application

Prior to commencement of the application you must ensure the surface is fully dry and it must be above 5ยฐC. On bare, unpainted surfaces you must apply Emperor Masonry Primer, which can be applied by brush, roller, low pressure pump or airless spray. Allow the Primer to dry for between 3-5 hours at 20ยฐC – at lower temperatures it will take longer. Ensure you mix the paint thoroughly before use with a paddle.

1.ย Apply the first coat of Emperor Masonry Paint at approximately 5-6m2 per litre. The first coat must be allowed to fully dry for a minimum of 8 hours before applying the second coat. The first coat can be diluted by 10% with water, which we recommend.

2. Apply the second coat once again at 5-6m2 and leave to dry for a further 8 hours minimum. This second coat must be undiluted.

On textured surfaces the coverage rate can be as low as 2-3m2 per litre. If you are applying Emperor Masonry Paint by airless spray on to a textured surface we recommend a colleague follows with a long pile roller to spread the coating thereby optimising the coverage.

Storage

Must be stored in dry, frost free conditions preferably at room temperature.

Restrictions

At 20ยฐC the product is touch dry in approx 2 hours. It can be recoated after approx 8 hours at 20ยฐC temperatures. When the temperature is below 5ยฐC it should not be applied. Avoid painting in direct sunlight when temperatures are above 25ยฐC. Cannot be applied to elastomeric painted surfaces or retaining walls.

Cleaning

Clean equipment with warm soapy water.

Testing & Certifications

Quality StandardRequirementResult
Water ResistanceBS EN ISO 12572No significant damageMoisture content 0.74%
BreathabilityBS EN ISO 7783:2011Value achievedSD 0.03
25 Year PerformanceEAD 090062-00-0404No significant damagePass
Thermal PerformanceEAD 040083-00-0404Value achieved6ยฐC variance
BreathabilityWater vapour resistance to BS EN ISO 7783:2018Value achieved0.53 MNยทsยทgโปยน
Water ResistanceLiquid water permeability to BS EN 1062-3:2008Value achieved0.01 kgยท(mยฒยทhโฐห™โต)โปยน
Impact ResistanceResistance to impact to MOAT 43: 1987
No significant damagePass
Chipping ResistanceChipping to BS AU 148 โ€“ 15: 1969No significant damagePass
Blistering ResistanceBlistering to BS EN ISO 4628-2: 2003 and BS 3900-H2: 2003No blistering visiblePass
Flaking ResistanceFlaking to BS EN ISO 4628-5: 2003 and BS 3900-H2: 2003No significant damagePass
Cracking ResistanceCracking to BS EN ISO 4628-4: 2003 and BS 3900-H2: 2003No significant damagePass
Chalking ResistanceChalking to BS EN ISO 4628-6: 2011No significant chalkingPass
AdhesionCross cut adhesion to BS EN ISO 2409: 2013No significant loss of adhesionPass
Colour RetentionColourfastness to BS 3900-D9: 1986
Colour measurement to ISO 7724-2: 1984
No significant colour differencePass
Abrasion ResistanceResistance to abrasion to BS EN ISO 7784-2: 20061000 cyclesPass
Organic Growth ResistanceResistance to algal growth to MOAT 33: 1986Value achieved4

Download your copy

Download the full Emperor Masonry Paint product datasheet to keep all the key details on hand for your project.

Emperor Paint Datasheet