21/09/2018
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How to ballast track

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Model ballast can be sourced in a variety of grey shades from various manufacturers. The ballast isn’t just a uniform colour, but has a subtle blend of dark and light stones because ballast often has crystalline or darker impurities. 

The traditional method of fixing ballast is to apply a 50:50 ratio of PVA and water, with a drop of washing up liquid. When applied, the diluted glue trickles through the ballast and dries to hold everything in place. This method uses a powdered glue, which is mixed with the ballast before it is laid. This mixture is then sprinkled over the track, and water is sprayed to solidify the glue. This method dries faster, but whichever you choose, take your time to guarantee a neat finish.

 

Expert tip - why use washing up liquid?

If you choose the traditional ballasting method of mixing water and PVA glue in equal measures, adding a drop of washing up liquid is advised. This removes the surface tension when applying the glue and helps it soak into the ballast more easily. 

 

 

1

Add seven parts of ballast to one part of powdered ballast glue. 
How to lay ballast, model railway

2

Mix the ballast and glue powder thoroughly until both blend to one uniform colour. A paint brush handle is a good tool because it’ll reach the corners of the glass.
How to lay ballast, model railway, mixing the ballast

3

Tilt the jar at an angle until the ballast and glue mix is at its edge, then tap the side of the jar with a finger and evenly spread the mixture.
How to lay ballast, model railway, spreading the ballast

4

You’ll find some areas are coated with the mixture, despite your best efforts to avoid them. All is not lost, however.
How to lay ballast, model railway, ballast mistakes

5

Use a large soft paint brush to distribute the ballast evenly across the track and away from moving parts like point blades uncoupling ramps.
How to lay ballast, model railway, fixing ballast mistakes

6

Fill a spray bottle with tap water and gently mist the area of track. It can take a while to soak in, so be patient.
How to lay ballast, model railway, fixing ballast down

7

The glue will rest on areas where powder has landed as soon as the water hits it. Areas of plastic like this ramp and buffer stop can be carefully wiped, but avoid touching the sleepers until the glue is dry.
How to lay ballast, model railway, clearing up overspill

8

When dry, it’s time to start cleaning the sleepers. It’s important that moving parts are kept free from debris, so a paper clip opened up is a great tool to run between rails
How to lay ballast, model railway, clearing ballast off sleepers

9

The crossing ‘Vee’ or ‘frog’ of the point must be clear of ballast too, so spend some time on this area, removing stray granules.
How to lay ballast, model railway, clearing ballast from points and frogs

10

The contacts of the point are fragile, but rely on touching the rails so that electricity can flow. Ensure these are free and that parts move freely.
How to lay ballast, model railway, clearing ballast from points and frogs 2

11

You can now remove stray ballast from the top surface of sleepers. I find scraping them with the back of a craft knife works well.
How to lay ballast, model railway, clearing ballast from sleepers

12

Last, but not least, you can now connect the wires from your controller to the power clip. Each loop of track requires a power clip and feed of electricity to work.
How to lay ballast, model railway, restore power

So, in 12 easy-to-follow steps it's possible to make your track mirror that of the real thing. This is something that anyone who is constructing a model railway should do to achieve a realistic look.

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