![]() Once the initial shell has hardened it’ll be quite stiff, but many modelers take the extra step of reinforcing it with a top layer of regular molding plaster or U.S. Then use a spray bottle filled with warm water and a few drops of detergent to serve as a wetting agent, and saturate the cloth to activate the plaster. If necessary, they can be temporarily pinned in place. Apply pieces of dry plaster cloth wherever any repairs may be needed. The photo above shows a trick that reduces the mess of modifications. It’s best to build up several layers of gauze over the entire structure and allow it to harden. Use a wet paintbrush to blend the edges and create a smooth surface, but don’t spend a lot of time on blending, as the plaster sets up quickly. Repeat the process as needed, overlapping the pieces to gain thickness and strength. Dip one piece into a pan of warm water and drape it onto the supporting structure. Then unroll the plaster cloth and cut the entire strip into pieces that are roughly square. Cover the track and turnouts to protect them from drips of plaster. ![]() Once the supporting structure is ready, it’s time to apply the plaster cloth. On flat surfaces, wads of newspaper or packing peanuts can be piled up and secured with masking tape to create a hill shape. Hills can be made of shaped Styrofoam, wood formers covered with screen wire, or strips of cardboard and masking tape. First, some sort of structure is necessary to support the wet plaster shell as it is applied. Īpplying the plaster cloth is an easy 2-step process. These other sources sell the plaster cloth in a variety of different roll sizes, including bulk packages. Many other brands of the material are sold by most craft hobby stores and art supply shops. Walthers also sells similar products made by Faller, Noch, and Scenic Express. Most model railroad hobby dealers carry the popular Woodland Scenics line of scenery products that includes the firm’s plaster cloth. This makes the plaster cloth somewhat cleaner to use than the typical toweling dipped in plaster that’s often used to make a scenery base. Dipping the plaster cloth into a pan of warm water activates the plaster while the gauze holds it together as the wet piece is lifted and applied over a supporting base. The dry material comes in rolls and can easily be cut into manageable pieces with a pair of scissors. ![]() Plaster cloth consists of a porous, loosely woven gauze impregnated with a thin layer of dry fast-setting plaster of Paris. Sculptors began using plaster cloth in their artistic work, and it didn’t take long for modelers to discover this medium was useful as a scenery base. ![]() It was originally made as a sterile product that doctors used to make casts after they set broken bones. It’s relatively inexpensive, but it can be messy! If you’re looking for plaster of Paris to buy, it’s useful to know that the bandage form is also called modroc.Plaster cloth is a relatively recent innovation in model railroad scenery construction materials. So – where to buy plaster of Paris? Thankfully, it’s not hard to come by and you can pick up both the powder and bandage types at most DIY stores or craft stores. Historically, the use of plaster dates back to around 9000 years and has been used by the ancient Egyptians, Greek and Roman civilisations! Where to buy plaster of Paris moulds, kits and supplies? Paris subsequently became the centre of plaster production in the 1700s. It required large-scale mining of gypsum, and due to its abundance near Paris – it became known as plaster of Paris.
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