How to Make Your Own DIY Wooden Soapmaking Mold for Cold Process Soap

I’ve talked a lot about how to make your own handmade cold process soap and have even shared a collection of handmade soap recipes that you can try. What I haven’t really covered though are soapmaking molds.

If you’re making your own soapmaking molds to save money, I’ve found that the easiest molds to make are wooden, rectangular soap molds. They’re inexpensive to craft, easy to duplicate, and easy to make if you have the right tools. Lowe’s shares an excellent tutorial on their website on how to make wooden loaf soap molds for your cold process soaps. If you don’t own an electric saw and are unable to borrow one – or find someone to make these molds for you – you can make them yourself using a basic handsaw and a miter box. You’ll also need sandpaper, clamps, glue, screws and a drill. My ex-husband and my dad both made soap molds for me very similar to the one pictured above. However, in lieu of a lid for my mold, I simply cover my mold of freshly poured soap with cardboard cut to fit on the top. It serves the same purpose. If you’re interested in a step by step photo tutorial of the soapmaking process, be sure to check out my blog post on How to Make Soap (In Pictures!)

Lowe’s also offers instructions on making a round pvc pipe soap mold. I haven’t personally tried this one myself, but have heard the soap can be difficult to remove after. A quick pop in the freezer generally makes the soap easier to remove from a round pvc pipe mold, and it does help to have a plunger of some kind to help push the soap through and out of the mold. However, Lowe’s does suggest lining the round soap molds with parchment which would ease in soap removal.

If you make soap, what is your favorite type of soapmaking mold to use? Do you have any tips on making the soapmaking process faster and easier? I’d love to hear your tips!

Comments

  1. I use a wooden log mould that I line from end to end with paper and from side to side with a sheet of silicon. The paper is reusable and the silicon sheet just needs a wash and it’s ready for use again.

    I love my silicon loaf moulds, silicon muffin moulds and silicon mini muffin moulds.

  2. Thanks for sharing! My husband and I would love to make our own soap and the forms to buy are kinda of spendy

  3. This is great, I’m thinking Christmas Gifts!!

  4. Cool, I had no idea, I gues I thought they came all nice and square. I have a honey do now!

  5. what a great post! thanks for sharing. have a fab weekend!

    Hugs,
    Lelanie

  6. Thank you so much for sharing, I have made soap once with the PVC pipe a friend lent me and it was really hard to get out even with freezing it, so I think I will try making a wooden loaf mold.
    Crystal
    http://www.chocolatedroolandkisses.blogspot.com

  7. I use a small cat litter pan that I bought especially for soap – it’s the right depth, has no funny shape impressions on the botton, creates a big block that is easy to cut with craft wire, and it was the right price at $1.50!

  8. This wonderful post totally contributed to the blog party’s success! Thanks for linking up at Creative Bloggers’ Party & Hop :)

  9. @Desi, GENIUS! Along with soap molds I use mini muffin tins that I bought at the dollar store. I’ll be making the PVC pipe one to try soon! My best advice for any mold, put rubbing alcohol in a spray bottle and before you pour soap into the molds give them a little spray. It doesn’t change anything about the soap except the ease of removal. I’m sure this would work with PVC also, it works with metal and clear/colored plastic.

  10. Warning I have tried the PVC mold and as it may look cool the difficulty you incur when getting the soap out is not worth it. I even lined mine with parchment paper but even if you tape the parchment paper the tape comes off and get stuck in the middle of your soap. OR Worse yet, I thought I would give it a second try and all of the herbs I had put in my soap floated to the bottom, it looked awful. I would not recommend it at all. I still have the molds I may have to try the rubbing alcohol.

  11. Thank you for sharing!

    Here’s a few tips for unmolding soap from a PVC mold. Spray the inside of the mold with no-stick cooking oil spray (olive oil). You can use three 14 oz. cans (like black beans or tomatoes)stacked on top of each other to push the soap out of the pipe. And lastly, if the soap is being really difficult, put the pipe in the freezer.

    I have been using PVC pipe molds for over a year, and all these things have really helped me to get the soap out of the pipe.

  12. Anonymous says:

    I use PVC pipe, and just roll up the red silicon cookie sheet length ways, and drop it inside. The pipe is a couple inches shorter than the silicon cookie sheet. Just leave it for at least 24 hours and tug on the silicon (two person job the first time) that is sticking out and it will slowly start to move, then it just pops out. I don’t wash the PVC but of course DO wash the silicon. Its such an easy mold to use. Make sure you have a cap on the bottom and take it off when removing the soap. I just gently set another cap on top of the silicon or wrap plastic around it. Then wrap it in a couple of towels and set it in a tall card board box. Works wonderfully..

  13. Anonymous says:

    I, too, use the PVC pipe and while I occasionally have a particularly stubborn batch, most times after a trip to the freezer and a little push, I have no problems. I use spray olive oil lightly on the sides. I also just rubberband a thick plastic over the end as my cap. Make sure you don’t move the tube until it starts to set a little or it can ooze up the bottom sides a bit and create a bulge to the rubber bands. I just set my pipe on a cutting board before I pour in case I do need to move the whole thing early. If I have a particulary stubbon batch, a quick smack to the bottom on a solid surface usually will release it after being in the freezer.

  14. Could the pvc pipe be cut in half lentghwise? we currently use a pvc pipe (clen and sterilized) to shape burgers. to make the semi frozen log of burger easy to remove, my DH cut the mold in half. we put it together and clamp it tight. to remove, just take off the end caps, remove clamps, and voila…no muss, no fuss. I hope this helps.

  15. Great comments and ideas for soap molds.

  16. I use Pringle cans when I want to make round soap but I still line the can with freezer paper. I remove the bottom when ready to unmold (after freezing the soap). Friends save their cans for me.

  17. I’m fairly new to soap making, but have gotten rave reviews from the people I’ve given bars to. At the moment, I use empty almond milk containers as they are the perfect shape, but am interested in making wooden frames (I was interested in buying them until I saw the prices).

    PVC for round hand soap bars is an interesting idea. I’d try slicing the tube lengthwise and then taping or clamping it closed again. That way, you can just pop it open when the soap is done–that should be easier and gentler than forcing the soap through one end.

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