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RhinoLite is a lightweight retarded hemihydrate gypsum plaster, specially manufactured as a combined basecoat, finishing and multi-purpose plaster for internal application onto brickwork, concrete block, concrete and Gyproc RhinoBoard, and as a finishing plaster onto sand cement basecoats.
What is the purpose of RhinoLite?
Gyproc RhinoLite is a lightweight retarded hemihydratre gypsum plaster, specially manufactured as a combined basecoat, finishing and multi-purpose plaster for interior application onto brickwork, concrete block, concrete and RhinoBoard, and as a finishing plaster onto sand cement basecoats.
Can RhinoLite be applied to painted walls?
Most importantly, you can easily use rhinoLite on painted walls, brickwork, concrete block, and more.
How do you use RhinoLite on the wall?
Use a steel trowel to scrape the “fat” off the wall. Use a rubber faced float. Apply Rhinolite onto surface. Level it out with a darby or feathered edge straight edge.
Which plaster is best for walls?
Cement plaster is the best bet when it comes to plastering exterior walls because it is moisture-resistant and will protect the wall against climate changes as well as environmental pollution. Moreover the durability factor in cement plaster makes it the ideal choice for internal plastering too.
What is the purpose of plaster key?
Plasterkey has been designed specifically for use in the building industry to bond sand/cement plaster and gypsum plaster to smooth surfaces. FEATURES / ADVANTAGES: Improves non-structural bond of cement & gypsum plasters. No more hacking and chipping of smooth surfaces.
How thick can you plaster a ceiling?
Plaster over concrete or masonry is referred to as a maximum thickness. Without lath, the maximum is 5/8-inch for walls and 1/8-inch for ceilings. Plaster may be applied thicker, if lath is used.
What is the difference between bonding liquid and plaster primer?
Alkyd primers are usually called ARPs (Alkaline Resistant Plaster Primers). Many can function as bonding liquids too, but generally a bonding liquid is clear (very low hiding power) while Primers are opaque with reasonable hiding power.
What’s the difference between plastering and skimming?
Skimming is the name given to a plastering technique where a wall is plastered with a layer of thin coat. They are both used to decorate buildings and increase the durability of a wall, but skimming is done to upgrade an old building whereas plastering is done to a new one.
Can you RhinoLite over RhinoLite?
Under no circumstances should RhinoLite be sanded. All RhinoLite surfaces must be sealed with an oil-based paint bonding liquid or a pigmented plaster primer, suitably thinned down with mineral turpentine. Allow to dry for 24 hours before applying two coats of acrylic paint.
How thick can RhinoLite be applied?
N.B. Gyproc RhinoLite Multipurpose Plaster should not be applied less than 3mm thick.
How much does 25kg of plaster cover?
bags the coverage is 4-6 square metres per 25kg.
Which is better gypsum or cement plaster?
Gypsum is a superior finish compared to cement plaster. However, it is advisable to go with gypsum plaster for the internal walls and ceilings and use cement plaster for the exteriors of the building.
Is plaster better than cement?
This is the key difference. Interiors are usually finished using plaster, while exteriors use cement render. When applied to a flat surface, the coat of plaster is extremely smooth, so it’s perfect for interior surfaces. Cement rendering involves a much higher proportion of sand for additional strength.
Is plaster a cement?
The most common types of plaster mainly contain either gypsum, lime, or cement, but all work in a similar way. The plaster is manufactured as a dry powder and is mixed with water to form a stiff but workable paste immediately before it is applied to the surface.
Does new concrete stick to old?
The cement within a concrete mix doesn’t contain any natural bonding agents – so when fresh concrete is added on top of an existing layer of concrete, the two won’t join together. The new won’t adhere to the old without the help of a bonding adhesive.
What is plaster of Paris?
Plaster of paris, quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry. Known since ancient times, plaster of paris is so called because of its preparation from the abundant gypsum found near Paris.
What happens if plaster is too thick?
The plaster tends to ripple if it is being applied too thick. If the plaster is thin, it may be a bit harder to control on your hawk but does ensure that a thin coat can be applied. 3. Make sure the plaster is not being applied too thick – 2mm is ideal.
How thick can you go with Multi finish plaster?
What thicknesses are plasters applied? Undercoat plasters are usually applied at 11mm and most finish coat plasters are applied at 2mm.
Does thick plaster crack?
Usually, Plaster applied in layers that are too thick (i.e., >20mm) will tend to crack in this way. These cracks are normally stable and can be filled with crack repair mortar and painted over.
What kind of primer should I use on plaster?
Oil-based primers are the best option for old walls. They have superior stain blocking abilities, and will keep any old stains from bleeding through to new paint. Oil-based primers are also great at sealing out moisture, which can be a major problem for old plaster walls.
Can I waterproof plaster?
Plaster of Paris is an extremely porous material when dried, and as such, will absorb any new water that touches its surface. In order to waterproof plaster of Paris for outdoor use or for temporary exposure to water, you must fill in as many surface pores as possible.
What is a good plaster primer?
Plascon Plaster Primer is a solvent based primer for gypsum and masonry surfaces. It acts as a good barrier between the new alkaline plaster and the painted topcoats. It can also be used as a binding agent for too soft or too powdery plaster, as well as a sealer on incredibly porous surfaces.