Easy Diy Tute 1 12 Scale Soap
How to Make an Easy Wood Soap Mold: Loaf, Slab, & Block
One of the most costly parts of soapmaking is the molds and cutters you use as you grow from making small single batches to wanting to make tons of soap all at once. If the investment of larger molds or silicone molds is off your pocketbook's radar, you can DIY and build your own wood soap molds very inexpensively.
ANYONE can build these wood soap molds, you don't have to be a woodworker to do it! I love making these wooden soap molds for many reasons:
- they come almost completely apart, which makes storing them easy
- they are hugely versatile, because you can change both the width and length easily
- they are relatively inexpensive to build, many of the extra costs in building them are optional (like washers and wood glue)
- they can grow with you, if made properly
It is cheaper per mold to build multiple wood soap molds at one time. If you are planning on only making one, you will likely spend upwards of $20 to $30 on supplies as smaller wood boards at hardware stores are more expensive and you will have leftover wood. I recently made ten of these wooden soap molds and the total bill was $55, making each mold a nice and cheap $5.50 each (and a couple hours of time!)
I've stuffed as much information in here that I can! I've included tips and tricks I've learned over the many times of making these. I have also tried to explain the steps in the most approachable way possible. Ready to get started on your own wood soap molds? Let's go.
(Not into DIY? Here are the best molds you can buy for every level of soapmaking .)
Supplies Needed to Build Your Wooden Soap Molds
You can use any kind of wood you desire. I personally preferred using poplar because it's a hardwood and it didn't dent, get scratched, etc. It also seemed to insulate the soap better than other woods I had tried. A couple of common (and affordable) choices for wood soap molds are Baltic birch plywood or pine. My pine molds were made and used when I was a hobbyist, and held up fine, but there are others who have reported that they warp over time.
Another soapmaker who has built their own wooden soap molds also mentioned watching out for woods that are either glued together or treated, especially if you CPOP (cold process oven process.) Woods that contain glue or are chemically treated should NOT be used in the oven as they could fall apart or may off-gas toxic chemicals.
If you don't have a saw at home, many home improvement stores will cut your wood for you, if you ask, so keep that in mind! Just figure out your dimensions, and bring them along with you when you purchase your supplies!
How to Determine the Dimensions of Your Boards for Your Wood Soap Mold
For the end boards of your wood soap mold, the height should match the sideboards, and clear 1" taller than any fill capacity of the mold. The length of the end board should match the desired width of the soap loaf you wish to make. Changing out your end boards for new ones will adjust the width of the mold cavity, so you may choose to make multiple sets! Then you can customize your wooden soap mold for the job at hand.
Example end board dimensions for a soap mold that is used to create a 3.5" wide, 2.5" tall, and 10" long loaf of soap: 3.5" wide x 3.5" tall
For your sideboards, the height should match the end boards, and clear 1" taller than any fill capacity of the mold. The length of the sideboards should be calculated by adding the thickness of the end board pieces, the length of the soap loaf desired, plus an additional three inches.
Example side board dimensions for a wood soap mold that is used to create a 3.5" wide, 2.5" tall, and 10" long loaf of soap: 10" (length of soap) + 0.75" (thickness of end board 1) + 0.75" (thickness of end board 2) + 3" (additional length) = 14.50" long x 3.5" tall (same height as end boards and 1" taller than soap loaf height)
For your baseboard, the length should match the sideboards and the width should accommodate the largest width of soap loaf you will make in this mold, plus the width of the sideboard pieces and an additional inch or so. I tend to default to making the width the same as the length of the steel bolts I'm using so that the bolts don't stick out awkwardly past the base of the mold.
Example baseboard dimensions for a soap mold that is used to create a 3.5" wide, 2.5" tall, and 10" long loaf of soap: 14.50" long (matches sideboards) x 6" width (same width as 6" bolts, must be wider than 5" = 3.5" width of soap + 0.75" thickness of sideboard 1 + 0.75" thickness of sideboard 2)
Tips on Deciding What Size of Wood Soap Mold To Make
How big your wooden soap mold is will affect the cost of supplies needed. Opting for any width of soap mold cavity beyond 12" wide will greatly affect the cost, as the bolts needed greatly increase in price. Obviously, you will also need larger pieces of wood to make a larger mold.
You also want to consider how heavy the wood soap mold will be when filled with soap. I recommend a maximum length of 18" for a single loaf configuration, as beyond that, it will become unwieldy to move and/or store when, not in use. A single loaf at 18" in length will range in weight from approximately 6 to 8 lbs of soap.
The largest mold that I'd recommend with this method of building molds is 18" long and 12" wide. Keep in mind that you can control the height, too, which means you can make a block mold! If you were to build a mold that is 12" square inside, that's a whopping 40 lbs of soap or so.
To configure your wooden soap mold to your bar size, think about the dimensions of your bars and how many bars of soap you want to make. If you make 2.5" tall, 3.5" wide, and 1" thick soap, you will want to:
- Use a width of the mold in multiples of your bar width (3.5" for a single loaf, 7" for a double loaf slab, 10.5" for a triple loaf slab)
- Use a height of the mold that is 1" taller than the bar height for a loaf or slab configuration (3.5" tall) -OR- you can also double up/triple up the height to create a block mold (6" tall for two loaves on top of each other, 8.5" tall for three loaves tall, etc.)
- Use a length of the mold that is multiples of your bar thickness (10" for instance makes 10 bars)
You may also want to consider what silicone liners are available from soapmaking suppliers. It's almost always cheaper to build your own supporting mold box for silicone liners than it is to buy the accompanying mold from the supplier. If you build your molds to fit a silicone liner, remember that your mold cavity will actually be the exterior dimensions of your silicone liner.
(Need to scale up all of your soapmaking equipment for production ? We've rounded up budget and high-end soapmaking tools for big batches.
Keep in mind that you can make multiple sets of end boards to change the width of the wood soap mold, from a single loaf to a double or triple slab! You can also create an extra end board of each dimension to use as a dam, creating a shorter loaf of soap than the intended mold cavity you make.
This article discusses how to calculate your recipe and mold size, and it's helpful for deciding what size of mold you'd like to use.
You'll need wood glue (optional) and at least 2" long wood screws to securely fasten one sideboard to the baseboard. The number of wood screws depends on the length of your mold, I tend to use one screw for every two inches of length.
You'll also need four sets of steel bolts and accompanying nuts, two sets for each end of the mold. You can use hex bolts or tap bolts, or even carriage bolts if you wish. You don't have to use stainless steel or any high-grade steel, the standard zinc plated steel is fine. There are also bronze bolts, that you can use if you want. You just want to make sure to avoid aluminum.
I like to use 5/8" diameter bolts, as they feel substantial enough without being gigantic, but again, it's entirely up to you. The length of your bolts will be determined by the width of your mold cavity and the thickness of your sideboards. To determine the minimum length of the bolts, take the width of the soap loaf, add the thickness of your two sideboards, and an additional inch.
Example bolt size for a soap mold that is used to create a 3.5" wide, 2.5" tall, and 10" long loaf of soap: 5/8" diameter 6" long zinc plated steel bolts (must be wider than 5" = 3.5" width of soap + 0.75" thickness of sideboard 1 + 0.75" thickness of sideboard 2)
Bolts tend to run anywhere from $1.00 to $3.00 each up to 12" lengths, which is long enough for a slab that is three loaves of 3.5" width soap. After 12" of length, the bolts tend to get much more expensive. It's usually cheaper to buy a box of bolts instead of individual bolts, so it's more economical to build multiple molds at one time. If you are unable to find the length of bolt you need at a local hardware store, there are several online specialty suppliers for fasteners.
Washers are totally optional, I like to use them so that the bolt head and the nut don't dig into the wood.
You'll also need a power drill to predrill holes for the wood screws, holes for the bolts, and to drill the screws in place. A simple handheld cordless power drill set tends to come with the standard drill bits you'll need. If you don't already have one, this Black & Decker Drill and Project Kit will have everything you need. (Besides, I think everyone should have such a kit on hand for basic maintenance work around the house. Plus, you can use the drill to stir large batches of soap with a paint mixer when you start doing production size batches of 20 lbs or more.)
Directions to Build Your Wood Soap Molds
GET STARTED: Start off by drilling the holes for your bolts in your sideboards. You'll want to use a drill bit that accommodates the diameter of your bolt.
The placement here is important, as you need to ensure that you place the bolts with enough room for the soap mold cavity and the end boards. I like to mark the center of the board, and then measure and mark where the end of the soap cavity should be on either end. And then place the end boards in place and trace a light pencil line on the outside edge of each end board. This gives me a clear indication of where I should place the holes for the bolts.
It's easiest to stack your sideboards on top of each other, clamp them together, and then drill the four holes into the sideboards together at one time. Doing that will make sure that your drilled holes are perfectly lined up so that the bolts are level.
Why two holes at each end instead of one, you ask? The first time I built these molds, I only put one bolt in each end. It was a horrible mistake that resulted in leaky messes. When I poured soap in the mold, the soap pushed the end board's bottom out under the bolt if the bolts weren't tight enough. Using two bolts prevents the end boards from moving at all - perfection. Your two holes (and thus the bolts) should be evenly spaced across the height of the mold.
CREATE THE BASE: On the bottom of your baseboard, line up a sideboard similar to what is shown in the illustrationexcept doing so on the bottom of the baseboard. Trace the inside edge of the sideboard using a pencil, this will help you line up the placement of the wood screws to secure your sideboard to the base.
Pre-drill holes for your wood screws along the edge of the baseboard within the section you outlined. I like to place a wood screw every two inches or so. You can mark the placement of the holes prior to drilling if you wish.
Optional: After you pre-drill the holes, apply a thin line of wood glue to the top edge of your baseboard and clamp your sideboard to the base. This will secure the sideboard in place and allow the glue to dry. Gluing the sideboard to the base is optional, but recommended. If you CPOP your soap, you will want to skip this step.
Use your power drill to fasten your wood screws into the pre-drilled holes from the bottom of the baseboard, as shown in the illustration above.
ASSEMBLE & ROCK YOUR SOAP POT:Hurray! No more scary power tools!
Thread your steel bolts through the secured sideboard, and your loose sideboard. Place the end boards in between the two sideboards to create the soap mold cavity. Like I mentioned before, you can place washers between the bolt and the wood, as well as the nut and the wood, but this is entirely optional. Tighten the nuts onto the bolts, and voila! You're ready to line your new wooden soap molds and rock your soap pot.
If you want to change the width of your wood soap mold, just change out your end boards for a different size!
Using Your New Wooden Soap Molds
If you did not build your wood soap molds to fit a silicone liner, you will need to line your mold. I personally use the same method as Amy at Great Cakes Soapworks, you can view her video tutorial about how to line soap molds with freezer paper here. If you build block molds, you will want to use a trash bag liner or a silicone liner. The freezer paper will likely leak when used for a block mold. These trash can liners are the ones I prefer.
If putting them together or taking them apart seems confusing, here are some "live-action" photographs of using these molds:
One of these wooden soap molds lined with freezer paper and filled with soap.
To unmold the soap, loosen the nuts about a half-inch.
Tug on the sideboard to break the suction and release it from the soap loaf.
Release any tape you have securing your liner to the mold.
Pull out the end boards, and retrieve your loaf of soap!
One of these molds with the soap loaf completely removed and the mold disassembled.
And there you have it! Wood soap molds that are so versatile, you can truly tailor them to your own needs. Yesssss.
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Source: https://www.modernsoapmaking.com/blog/build-adjustable-width-wooden-soap-molds
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