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The dark coloured liquid dries to a high matt moss colour in 1 to 5 minutes depending on the temperature. Apply moss paint by brush or airbrush/sprayer. Moss effect paint looks best when applied to rough, textured surfaces. We used to sell this product under the brand name “Modelmates” Moss Effect – its the same product but now with Dirty Down on the label.
Where to buy – (please note that we cannot guarantee products will be in stock in these shops).
Australia: Art Department Supplies
Belgium: ’t Spelgeweld
Canada: Abyssgamestore, Fenris Workshop, Industrial Park Games Ltd, Kingdom of the Titans, Le Bastion, Magic Stronghold, Multizone comics and games and Sunward Hobbies.
Germany: PATIN-A SHOP, PK-PRO and Battlefield Berlin.
Mexico: Art Hobbies.
Netherlands: Wizards miniatures world,Scenery Workshop and Scenery en Zo.
Northern Ireland: Titanic FX.
UK: 4d Model Shop, Above & Beyond Retail UK Ltd, Acme Games, Alchemists Workshops, Devildog Gaming, Dressmakers Wholesale, Element Games, Excalibur Gaming, Great Escape Games, Hobbyspotz, Justplay, Model Display Products, Northumbrian Tin Soldier, Pro Tech Games Ltd, Severn View Hobbies Ltd, The Toy and Model Warehouse, Tiny Worlds, Waroffice Game Supplies
USA: Adventure Games and Hobby, Cardboard Dungeon Games, Cataclysm Games, Dark Depths Games, Dragon Knight Games, Dragon’s Roost Coffee and Games, Discover Games, Edmond Unplugged, Games and Stuff, Game Grid – North Salt Lake, Gamescape North, Goblin’s Hut, Golden Rhino Games, Granite Coast Gaming, Ground Zero Hobbies, Huzzah Hobbies LLC, Imperial Outpost Games, Light Industries, LionHeart Hobby, Michigan Toy Soldier & Figure Company, MiniQ Anime & Hobby, Miso Game Room, Noble Knight Games, Pair a Dice Games, Peculiar Games and Hobbies, Real Deal Tabletop, Shall We Play? The Games and More Store, Slow Death Games, Swordsnboards, Time Warp Comic & Games, Titan Games and Hobbies.
Download instructions on Rust Paint page – moss and rust paint are applied in the same way.
- The pot and surface should be at room temperature or warmer before use. The moss colour may not appear if the pot and/or the surface are very cold.
- The mixture will settle on the bottom of the pot. It’s very important to thoroughly shake the pot with the ball bearings rattling before each and every use. Thoroughly stir the mixture and ensure that solids on the bottom of the pot are fully mixed into the liquid. Repeat stirring and shaking until all lumps have gone. It’s much better to shake and stir moss paint when the pot is at room temperature or warmer. If the pot is cold it may not be possible to fully mix any solids into the liquid.
- Use moss paint straight from the pot. Replace the lid quickly during use to prevent the liquid from evaporating or decant what you need to use for a job into a separate smaller pot/container with a lid.
- Do not add water into the paint pot – this may prevent the colour from forming.
- Ensure surfaces are clean, dry and grease free. Test the paint on hidden surfaces before use to ensure compatibility and adhesion.
- Only apply to non-porous surfaces such as plastic and metal. Do not apply to porous/absorbent surfaces such as bare timber or paper. Moss paint can be applied to painted surfaces, but test first. If the effect does not form, try first sealing the surface with varnish.
- Moss paint is water soluble and the effects of painting will be lost by washing in water or by getting wet, but there may still be staining. Do not expose moss paint to rain or splashing with water.
- Moss paint looks best when applied to a rough surface.
- To fill dents and grooves in surfaces, first cover the surface with moss paint, and then wipe the paint off the raised areas with a damp cloth (at an angle to the grooves), leaving some of the paint trapped. The wetter the cloth, the more paint removed.
- When fully dry, moss paint can be made more permanent by spraying with fine/mist coats of acrylic varnish/lacquer. Test varnish first because types of varnish change the colour/shade of the paint.
- When dry, avoid scuffing/scratching the finished paintwork.
For the best results it’s best to practise different techniques listed below before final use.
- To darken the shade apply more coats. Allow each coat to fully dry before applying another. Any number of coats of moss paint can be applied over the top of each other. For a broken, patchy effect apply to small areas/patches at a time and allow to dry – more in some areas, less in others.
- The shade will vary depending on the quantity applied. A thick coat of paint will dry a darker shade, and a thin coat of paint will dry a lighter shade.
- Further variations in shade can be created by dabbing a damp or wet brush, cloth or tissue onto the painted surface and then leaving to dry. As the water dries, the dye in the paint separates into shades of light and dark moss. The more water used, the greater the effect. This technique can be used after the paint has dried or while it is still wet. Another option is to simply splash water onto the moss paint and leave to dry – without dabbing.
- For a very dark shade, decant a small amount into a separate pot and allow the paint to evaporate. The more the paint evaporates, the thicker and darker the paint gets (may not be possible to spray if too thick).
- Dip the brush and immediately apply to the surface. For a patchy effect dab the paint onto a surface and keep dabbing in the same place until the paint dries. Any number of coats can be applied in this way. For a more even effect paint an even coat onto a surface.
- A different moss effect is obtained depending on whether a soft or stiff brush used to apply the paint.
- Fine Soft Brush: For very detailed work. Apply a small amount to the brush and apply directly to the surface.
- Larger Soft Brush: For apply larger amounts to larger areas. For a darker shade apply larger quantities and for lighter shades apply smaller quantities.
- Stiff Brush: Very light shades can be obtained by dabbing a very small quantity of moss paint onto a surface using a stiff brush. Allow moss paint to dry slightly on the brush for a very light effect, similar to the “dry brushing” painting technique.
- Always clean the brush in water straight after use. Do not let moss paint fully harden onto brush. If for any reason moss paint has dried onto a brush, soak the brush in methylated spirits to fully clean, (but check first that this will not damage the brush).
- Pour on a cloth or tissue and dab onto a surface and keep dabbing in the same place until the paint dries.
- For a light shade apply a small amount at a time. For a darker shade apply a larger quantity.
- Spray moss paint onto a surface straight from the pot using an air brush or pressure pot spray gun. Clean air brush immediately after use.
Moss Effect is water soluble. Moss Effect can be wiped off surfaces in two ways (even when fully dry):
- Using a damp cotton bud.
- Only dampen one end of the cotton bud.
- Wipe moss paint with the damp end first, and then with the dry end.
- The wetter the cotton bud, the more moss paint is removed.
- Using a sheet of kitchen roll (absorbent paper towel).
- First apply moss paint onto the panels so that they are fully covered, and leave to dry.
- Flatter one end of a piece of kitchen roll, and dip this end into water.
- Remove most of the water from the flat end so that it’s only slight damp. This can be done by pushing the flat end against other dry pieces of kitchen roll.
- Gently press the damp flat end of kitchen roll against the dried moss paint, and twist the kitchen roll.
- Keep the kitchen roll in one place, do not wipe side to side across the surface. Some moss paint is left on the model and some removed. Some moss paint will have been wetted by the damp kitchen roll and will change shade to look darker, just like old moss.
- The wetter the moss paint gets, the darker the shade. Practice first to check how damp the kitchen roll should be and how much pressure to apply.
Create different shades of moss using water:
- Apply moss paint to a surface.
- Apply a small amount of water to the moss paint and either allow to dry on its own, or dry by dabbing with a piece of kitchen roll or tissue. This usually causes the colours to separate and dry different shades and more patchy.
- Water can be applied to the surface after the moss paint has fully dried or when the moss paint is still wet.