DIY Driver Enhancement / Expandable Foam?



Can using expandable foam inside your driver head improve the sound and feel? Does it change the performance? See what we found out.

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32 Replies to “DIY Driver Enhancement / Expandable Foam?”

  1. Thommy C says:

    Hi AJ, are you familiar with the Wilson D7 irons?
    If the power slots covers come off, will it affect the performance of the club? Would you be able to fill the gap with foam?

  2. rruzen1 says:

    You need a Channel Fill foam that expands from the bottom up. It's what they use in ice chests and boats to fill the cavity between the inner and outer layer. Handifoam is a brand that makes a good one.

  3. Vince Jacob says:

    I used this foam method to immobilize a loose piece of hot melt. I added about 6 g (more than half the volume) and the sound difference is significant. The head with the foam sounds extremely muted, however, I noticed that some foam inadvertently got splashed on the driver face. Also, it's important to not break rule 4.c and not totally fill the head cavity.

  4. Ashley Walls says:

    That's what she said!!!!!!!

  5. Cotton wool is the best way to do this, plus it can be removed after.

  6. Ole A. says:

    The way you sprayed that foam in just added a little uncontrolled weight. If you want to change anything, fill it up and wait for it to completely dry.
    You also need to hold the can vertically and press the "trigger" much harder, that way you get the correct expanding and chemical mix intended by the manufacturer. Yes, it will be messy, but its expanding foam, so do it outside haha

  7. My worry would be that it would harden and break off a little bit and rattle inside of the clubhead.

  8. Mike Lawson says:

    Need to wait a couple hours for the foam to try

  9. TIM stavely says:

    I tried this exact same fix on a Callaway Epic flash Three-wood head to fix a piece of epoxy rattling around I could not get out. Problem was with only one weight screw to remove, it was extremely difficult to get foam to actually spray inside the head because of the pressure buildup…I actually got more on me than probably in the head! As pointed out by others, you would need to leave both screws out for a period of time for the foam to completely cure.

  10. TZOID08 says:

    Does it make the Driver head "Non Conforming" ??? I recall folks stuffing yarn in Driver heads to mute the sound and that is "Non Conforming".

  11. Mitch D says:

    I think your data set is too small – the minor changes in distance and launch angle were likely not due to the foam. You used so little, I didn't even notice a change in sound at impact. As for the hot-melt, I recently adjusted my Titleist D3 which I shortened to 44inch. I watched your earlier vids and did my own analysis/research: Hot-melt is a handy product to adjust swing weight on drivers, woods, and hybrids. The key as you said is knowing how much you want to add. Removal is not simple but can be done by just digging it out a glob at a time with a piece of wire with a hook bent on the end. The real issue is price – "Hot melt" is about $19 USD/tube which has less than 40 usable grams. Moreover, shipping is another $11 for the cheapest postage! I did further research, it appears to be nothing more than Surebonder AT-4930 permanent pressure sensitive adhesive which can be bought for about $6. Last – the standard (cheapest) gun is another $25 or more (100's for a self heating gun). I modified and used a standard caulk gun by using a large washer at the tip end and an appropriate sized dowel to push on the back end. I heated the adhesive tube using a propane torch – it takes 2-3 mins of even heat to get it ready to flow. Sound was similar to before due to the fact that the D3 had some hot-melt from the factory.

  12. Those kind of foam, could I fill it into a shaft (near the club head) to get a less whipper character of the shaft (now senior) and more stiffer?

  13. Spray foam does have aquestic properties so it will dull the sound

  14. I think adding foam would defeat the purpose of why you bought it in the first place.

  15. todd bookout says:

    Keep up the great videos!!!

  16. I’ve always wanted to do this to a PING G425

  17. Dr. Phil. says:

    Interesting experiment. Great idea putting your mic next to the ball. I don't understand why people don't do that when trying to record the sound of any club.

  18. Sounds stupid but that’s why I’m gonna watch all the vid as I could be so wrong 👍👍

  19. Bean Alampi says:

    This would be great to trap one of the little slag pieces that cause rattles

  20. I did this to a hollow 4 iron and it worked great

  21. Bill Malec says:

    This is one of those:
    I read where "Mrgolfhackexpert5476" said to do…
    🤦
    Guys, work on your game. It ain't the club.

  22. OOps…guess I should have watched a little more before asking the weight question!

  23. Did you weight the driver head before and after to determine if there is any difference?

  24. Raydon says:

    Very interesting. The sound seemed deeper after the foam. It would have been worth doing the sound test outside as indoors always sound loud.

  25. I have tried it and wish I had known about it before hot melt. I destroyed a budget driver head with hot met, Y the melt type got brittle then caused a rattle, so to over come this added expanding foam. The driver ended up at E6 swing weight.

  26. I think you should take all the screws out and completely fill the club head with foam. Wait half an hour then trim off the excess foam. Then close it all up again And test again.

  27. SAH Golf says:

    you was holding the can the wrong way and that wouldn't even be a half full with how little you squirted in.

  28. Ian Jackson says:

    Did you check the swing weight change?

  29. You could do a whole series on goofball golf hacks.

  30. Cybek Cusal says:

    You are supposed to hold the can inverted not horizontal when spraying.

  31. Bill Malec says:

    Should have used one of those old annoying Nike drivers. 😂

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