Other classified routes and connecting routes between town centres, and accesses to residential areas. Important principal roads, major scheduled bus routes, routes to fire stations, hospitals, ambulance depots and local danger spots on roads with high traffic levels.

Bond It External Plasterers Pregrit - Builders Hardware Direct

You might also use sand as a pre-grit. Sand may also be a better variant when tumbling very soft materials such as obsidian, marble, fluorite, and calcite. Most natural sands have round grains shaped-particles. In comparison, silicon carbide grit particles are angular in shape and because of this angular shape, it is much more effective at producing abrasion that smooths and rounds tumbling rough into polished stones. Simply apply 1 coat using a brush or roller ensuring an even coat and allow to dry 6 hours minimum.I have used PVA in the past in my own house and friends/family houses with no problems but I can’t remember skimming over silk painted artex which I have to do in this house, done plenty of stipple ceilings with no trouble.. Specifically designed to provide an improved key to smooth surfaces prior to plastering. Contains a fine aggregate to provide a mechanical key. Ideal for use on plasterboard, laminate, particle board, high gloss melamine and ceramic tiles.

BOND IT PLASTERERS PREGRIT 10 LITRE - John Davey Builders

Do not use on new cement when cement has not fully cured. Do not use when the temperature is below 5 degree C. The plasterer has looked at the ceiling which has vinyl paint on the artex and is concerned the plaster may delaminate if he only uses PVA. He advised the best solution would be to overboard the existing ceiling with 9mm plasterboard which would give a better finish and one he could guarantee.

Bondit Plasterers PreGrit seems to come out the cheapest here but as I said I would rather pay more for the best product.

Feb Febond Grit Primer Blue 15.9kg - Screwfix

Sand is softer than silicon carbide grit, and thus it cuts the glass very differently. All it takes is a little bit of imagination, and you can do many things with sand. Does anyone have any recommendations which of the above to use for an artexed ceiling. Some are more expensive than others but happy to pay for the right product. Additionally, you would need around twice the amount of sand as a substitute grit, than if you would use silicon carbide grit.Thoroughly stir before use and ensure application temperature is above +5 degree C and that the surface to be treated is free from dust, release agents and any contaminants that may hinder adhesion.