In such cases, I always recommend that the wall is left exposed to weather for at least 12 months prior to painting. You should then be able to paint the wall as normal with 2 regular coats of masonry paint but keep an eye out for any signs of bubbling in the weeks after. This would indicate a high density of moisture content that is trying to force its way out. One coat should normally be sufficient but very porous surfaces may require additional coats. Drying time will vary depending on the ambient temperature, but normally 4 – 8 hours should be allowed for each coat to fully dry. For the best results allow surfaces to cure for a minimum of 24 hours before applying the Weatherflex Smooth Masonry Paint. DO NOT apply when air or surface temperatures are below 8 °C. An algebraic Riccati equation is a type of nonlinear equation that arises in the context of infinite-horizon optimal control problems in continuous time or discrete time.

I plan to use Macpherson powerkote, hopefully three coats to give it a strong finish. Do you think the powerkote will be suitable to use? A subject that crops up a lot on the topic of exterior wall paint is ‘Stabilising Solution’ or ‘Primer’. However, once it’s rubbed the surface below is relatively solid. I am worried that if I paint the surface with sandtex it could bubble if I don’t stabilise.

Allows painting of new render finishes and re-pointing repairs without alkaline contamination of the paint, which would otherwise delay painting by up to 2 months. You may find that this process removes a lot of the loose particles on the surface, presenting you with a solid surface which can easily be primed with a thineed solution of masonry paint. For our situation it is a little too soon to tell the success of Lakeland’s stabilising solution on our bathroom problem wall area. This one wall area (a small cluster of patches) is particularly troublesome with a gradual peeling and bubbling appearance (under the painted surface) And this taking time to reappear once you cover with a fresh coat of paint. However what we have noticed is the Lakeland’s stabilising solution is not only pleasant and odourless —and oddly almost as transparent as tap water—and you're not sure if this only a water that you’re applying : ) However a noticeable difference is apparent once we painted over Lakeland's stabilising solution with white pigmented organic emulsion paint There seems to be a far more opaque surface quality that seems to suggest that not only is Lakeland's stabilising solution useful for troublesome unstable or damp patches on many types of wall surfaces but also this medium improves the colour density of the applied painted areas.

Stabilises and hardens “friable” masonry or masonry surfaces which may have “gone soft” due to extreme weathering. Normally, masonry walls can be primed with a thinned solution of water-based masonry paint. But, sometimes, the surface can be loose and/or powdery and this can cause problems. I am planning to go over the loose areas with a wire brush and paint scraper. Would you say that it would be best to go over the areas that have the white dust build up with a stabilising solution, as the old paint is very flaky in these areas? Tools and equipment should be cleaned with warm soap and water immediately after use. Pump sprayers especially should be thoroughly flushed through with warm soapy water and then flushed with clean water until free of all residues. DO NOT allow to dry before cleaning. Kingfisher “Weatherflex Stabilising Solution” is available in 5 litre plastic containers. It should be stored in a cool, dry area, AVOID frost and direct sunlight. Shelf life of the product in, unopened sealed containers is 12 months.

Conclusion

Scrape off as much as you can and let it dry-out naturally, which could take a long time, before attempting to redecorate. Would you recommend the use of sandtex stabilising solution as a primer to prevent the paint failure?? Dry and chalky areas can sometimes be primed with a watered down coat. But if the area has already been treated with a stabilising solution I would paint over this with unthinned masonry paint. With newly rendered surfaces, it is normal to have a certain level of dust and/or powder on the surface as a result of the drying-out process.