Masonry Crème
The ultimate clear protective masonry cream.
A surface treated with masonry cream will insulate mineral building materials by reducing water absorption. The masonry cream chemically bonds to the surface, penetrating up to 17mm to create an invisible insulation barrier.
Key features of our masonry cream include:
Product Guarantee
All ProPERLA coating products benefit from a manufacturer’s performance guarantee of between 10-20 years.
A Clear Insulation Barrier
The masonry cream creates a clear insulation barrier for single skin buildings and those built with a cavity. It has been proven to help retain heat in walls and reduce heat loss.
UKAS accredited tests have demonstrated that by reducing water absorption of the walls, our masonry cream lead to thermal performance benefits. It has been proven to meet EAD 040083-00-0404.
In addition, testing in a hygrothermal chamber revealed that a wall coated in the masonry cream and subjected to repeated heat-rain conditions in accordance with EAD 090062-00-0404, resulted in reduced heat loss when compared with the uncoated (control) wall. The uncoated wall showed on average an increase of 6⁰C of heat loss in comparison to the walls coated with ProPERLA Masonry Crème.
The clear coating improves thermal efficiency and contributes to lower energy consumption and lower energy bills, by keeping walls dry. Damp walls act as ‘thermal bridges’ – enabling heat to transfer from the inside out twice as quickly as it would if the walls remained dry.
Independent testing has shown that ProPERLA Masonry Crème reduces water absorption by 96.3% and meets the British standard for water vapour resistance BS EN ISO 7783:2011.
Application
After 5 minutes
After 10 minutes
After 20 minutes
Breathable
ProPERLA Masonry Crème does not restrict the ability of the building to breathe. Water vapour permeability testing was conducted in accordance with BS EN ISO 7783:2011 and it demonstrated that the coating had little effect on the water vapour diffusion of the substrate.
Application of our masonry cream protects the walls and cavities by keeping them dry whilst allowing air and moisture to escape. It maintains the important capability of the building envelope to breathe. Unlike some stone and brick sealer products, it does not block the pores of the masonry by coating them with a thin film. Therefore, the product is a highly breathable coating which helps to prevent penetrating damp.
Super Hydrophobic Coating
A surface is considered super hydrophobic if a water droplet beads up (with a contact angle greater than 140⁰ and the droplets can slide aware from the surface readily (it has a small contact angle hysteresis). Super hydrophobic surfaces repel water, causing it to form beads because it is more attracted to itself than the surface. This means water will run off the surface making it extremely difficult to wet.
This is known as the ‘lotus effect’ due to its similarity to the lotus leaf but is also seen on duck feathers and butterfly wings.
Substrates coated with the protective masonry cream will respond in the same way – water will form droplets and won’t penetrate the substrate. Independent testing has shown that it reduces water absorption by 96.3% and meets the British standard for water vapour resistance BS EN ISO 7783:2011.
Prevent & Protect
By diminishing water absorption, our clear masonry cream has been proven to reduce soluble salts migrating from bricks and mortar thereby preventing unsightly deposits of salt efflorescence. Whilst salt efflorescence is generally considered an aesthetic problem , it does have the potential to cause structural damage, such as the erosion of mortar joints, known as sulphate attack.
In contrast to our coloured masonry paint, the masonry cream does not alter the appearance of the building, it helps to maintain and protect the natural beauty of the masonry;
Proven Performance
ProPERLA Masonry Crème has undergone independent tests by UKAS certified body Lucideon and has been proven to meet the following standards;
Application
ProPERLA Masonry Crème is a one coat application system which can be applied by paint brush, roller or airless spray.
On application, the clear waterproof paint is white but it will dry clear and will not alter the colour or appearance of the building. The porosity of the substrate dictates how long it takes for the protective masonry cream to dry clear.
Prior to application, it is essential to carry out the necessary preparation work – full instructions can be downloaded above.
We offer practical half-day training courses to ensure you know the correct procedures for application and provide an opportunity to try out the product using our recommended airless spray machines.
For more information on this product, simply call 0800 195 4354
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