How to split large boulders! Using ‘Wedge and Feathers’

Тәжірибелік нұсқаулар және стиль

How to split boulders using a classic technique. Wedge and Feathers drive pressure into the stone to split it where you want! (Most of the time).
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In this instructional video from Hardscape Training Canada, Kevin demonstrates the process of drilling, wedging, and feather-splitting a large stone using proper tools and techniques. The video starts with Kevin introducing the wedging feathers from Micon Stone Tools and selecting a Hilti hammer drill for the task.
To begin the process, Kevin highlights the importance of safety gear such as knee pads, hearing protection, eye protection, and masks due to the creation of silica dust during the drilling. He then marks the locations for the holes on the stone, ensuring proper spacing and depth of about four inches to accommodate the wedges.
Kevin proceeds to demonstrate the insertion of the wedges and feathers into the drilled holes, making sure the wedges protrude sufficiently for effective splitting. He emphasizes the need to drive the wedges evenly to create the required pressure across the stone. As the splitting process commences, he points out how the pitch changes as the wedges are struck and how pressure needs to be consistent across all wedges.
Throughout the demonstration, Kevin adjusts the wedges as needed to maintain even pressure. He guides the viewers on how to listen for the cracking sounds indicating successful splitting and achieves a satisfying clean split on the stone. This technique can be applied for splitting larger stones or boulders using wedge and feather methods effectively.
In conclusion, Kevin showcases the results of the stone split and mentions the applicability of the technique for various hardscaping projects involving large stones. His detailed explanation and hands-on demonstration provide valuable insights into the process of drilling, wedging, and feather-splitting stones safely and efficiently. Viewers are encouraged to apply these techniques in their own projects for achieving clean and precise stone splits.

Пікірлер: 45

  • @philiphoweartistwriter272
    @philiphoweartistwriter2724 ай бұрын

    Thank you for a simple, direct video on how to split boulders. Best one by far that I have seen, now I think I can do it!

  • @letmegoguy
    @letmegoguy Жыл бұрын

    Great idea for when I have a boulder too big to move!

  • @nickmoore3855
    @nickmoore3855 Жыл бұрын

    I believe you want the feathers to be all the way down to the curve of the feather. Which will help the wedge from not falling out, as happened in the video. Also with harder stone your feathers can be damaged and eventually bend by having them halfway out of the stone with so much pressure of the stone and hammer. Happy hammering!

  • @HardscapeCanada

    @HardscapeCanada

    Жыл бұрын

    Hey Nick thank you! I need a bigger bit for my hammer drill and I will try those tips out!

  • @NCmtnDweller
    @NCmtnDweller6 ай бұрын

    Well done

  • @nateearle844
    @nateearle844 Жыл бұрын

    Rock climbers know that high pitched ping from a well driven piton. Satisfaction.

  • @mathiasmartin8194
    @mathiasmartin819411 ай бұрын

    Excellent video and explanation, please create a video demonstrating how to cut the round stone for use in a millstone.

  • @jimmyjones9257
    @jimmyjones9257 Жыл бұрын

    Keep the videos coming that is how I am learning this craft. I live on Haida Gwaai. So I am learning from U tube. Slowly and slowly getting the tools tools I need.

  • @HardscapeCanada

    @HardscapeCanada

    Жыл бұрын

    Love it! Thanks Jimmy what type of projects are you working on there?

  • @jimmyjones9257

    @jimmyjones9257

    Жыл бұрын

    Boulder wall on a sloped lot.

  • @TaitGuy
    @TaitGuy2 ай бұрын

    Great video and Great info, very useful! Thank you !!!!

  • @fbu795
    @fbu7957 күн бұрын

    Great vid but what was up with the dramatic plug-in shot? Lol

  • @HardscapeCanada

    @HardscapeCanada

    7 күн бұрын

    Haha just trying to keep it interesting ya know

  • @cayrick
    @cayrickАй бұрын

    Kev what size drill did you use and what size are the W&F's. I used 5/8" W&F's (5/8" bit)on basalt (hard) and it is like a hot knife thro butter. Rocks that are permeable or porous can deform internally and disipate the expansion stress and are ineffective. Best I got was some spalling or flakes from the rock. Now I have to decide on bigger W&F's or another way like Dexpan. What is your experience?

  • @darcyassels15
    @darcyassels1524 күн бұрын

    Hi all, I’m new as it gets to rock splitting, I’ve watched several videos, the only thing I am not sure of is what is the absolute best drill bit I should be using. I have a boulder roughly 5ft in diameter, and I’m assuming it’s just a regular rock (sedimentary)🤷🏻‍♂️. The location of this is out in the forest so the only drill I have to use is the Dewalt 20v SDS Hammer Drill DCH133. I have 10 (5/8”) wedge and feathers at just over 4” long. How many drill bits should I bring along? Any suggestions? Thanks

  • @jaroslavchorny
    @jaroslavchorny11 ай бұрын

    HI Kevin. What is the name of the store you have your wedge and feathers from? I heard "Michael and stone tools" but didn't find the store in Vancouver.

  • @ajazkarim6387
    @ajazkarim638711 ай бұрын

    Hi how are you sir I hope you are well you can break any stone with this method I am from North Pakistan the stones here are very hard at the foothills of Karakaram Himalayas.

  • @tomaud
    @tomaud3 ай бұрын

    Nice video. I liked it and subscribed. I have a really hard piece of stone/rock at 40 to 45 cm thick (deep) (1 1/2 ft.) that took a very long time to drill the holes into and a variety of thickness in different places which wedges with feathers can't split even that I followed the instructions seen on videos. Some of the wedges and feathers are completely in and others are barely above the stone surface and the hammer is recoiling. One of the wedges/feathers is jumping out of its hole upon being hit with a hammer. The stone is 1,5 meter long maximum (5 ft.) and 1 meter wide in its widest place (3+ ft.) while in the middle it is 80 cm wide (under 3 ft.). The top of the stone/rock has a "mountainous terrain" so to speak (variety of reliefs) so the holes were drilled at different "heights" of the stone. Are the wedges/feathers too short for this stone/rock? Can a rock/stone of various reliefs be split like this? The wedges are about 10 cm long (4") and I used 5 wedges for the stone's length of 1,5 m( 5 ft.). After drilling 5 holes I sprayed the stone powder/dust with a water stream and then drilled more into watery holes. The stone got wet a little bit. Wrong or right, I don't know. I can post photos or even a short video within the next several hours.

  • @dferrari888
    @dferrari888 Жыл бұрын

    Any idea if this same method would work for a boulder that's 3 or 4x the size of the one in your video? Or would you need larger/bigger wedges that can go deeper?

  • @HardscapeCanada

    @HardscapeCanada

    Жыл бұрын

    This same method should work with this size of wedges, you just may need more for a larger Boulder.

  • @cayrick

    @cayrick

    3 ай бұрын

    @@HardscapeCanada If a row across the top won't work drill the side and insert wedges as well.

  • @hepburn118
    @hepburn118 Жыл бұрын

    Yeah, I still think dynamite is way more fun.

  • @HardscapeCanada

    @HardscapeCanada

    Жыл бұрын

    Haha fair enough!!

  • @user-em7wb1lh2o
    @user-em7wb1lh2o4 ай бұрын

    on what basis the number of wedges we need, and the distance between each, and location of the intended split

  • @HardscapeCanada

    @HardscapeCanada

    4 ай бұрын

    Ideally spacing around 6”, but it really depends on that particular stone type and hardness etc. a bit of trial and error is a must.

  • @Popeslash
    @Popeslash11 ай бұрын

    A boulder 3 or 4 times that size is blocking a path in the forest. What do you recommend?

  • @HardscapeCanada

    @HardscapeCanada

    11 ай бұрын

    Hey look into a product called Geobreak, it’s an expanding grout that is used to crack and break large rocks

  • @Popeslash

    @Popeslash

    11 ай бұрын

    @@HardscapeCanada Thx for the suggestion! I'll have a look and let you know the results when I take it on. Have a good day o/

  • @kerryemmerson8954
    @kerryemmerson8954 Жыл бұрын

    Why dont you pool water into the site. Keeps it cool so it lasts way longer with no dust.

  • @davidsanderson8548
    @davidsanderson85483 ай бұрын

    Do you have any advice for attempting to split a quartzite rock?

  • @HardscapeCanada

    @HardscapeCanada

    3 ай бұрын

    Hey I haven’t tied to split that particular type of stone, as it is much more dense than its predecessor sandstone and wouldn’t likely act the same way with the grains. I would think cutting it would be ideal, or maybe a mix of cutting and wedge and feathers if it’s a large enough piece

  • @davidsanderson8548

    @davidsanderson8548

    3 ай бұрын

    @@HardscapeCanada Thank you for these tips. I have about a 300lb quartzite boulder in my backyard thanks to the last ice age. I can drill holes in it but the irons and feathers will not split the material. Small chunks will shear off perpendicular to the drill holes. I will try your suggestion.

  • @cayrick

    @cayrick

    3 ай бұрын

    @@davidsanderson8548 my expertise is in basalt rock. I drill 5/8 holes at 4" spacing about 4" deep and make sure if the rock is in a hole you at least dig out one side for expansion. Basalt is very hard and you can drill on top only and easily split it. Have done this on 36" boulders. However occasionally a virtually identical rock behaves quite differently and seem to be able to absorb the stress. In this case I try to drill close the edge and break of slices. On a large rock it can be time consuming so If I can break the top off and lower the height by a few inches so it allows me to grow plants I just take off the top few inches and cover it over. Harder rocks are much easier to deal with than softer rocks, unfortunately. The process is addictive and after awhile you want to crack every rock you see on the side of the road.

  • @davidsanderson8548

    @davidsanderson8548

    3 ай бұрын

    @@cayrick Thank you for sharing your wisdom and experience. I never dreamed that there would be a need for a Ten-Step Program for rock splitters. 🔨🔨🔨🔨

  • @giotto4321

    @giotto4321

    2 ай бұрын

    Make sure your drilled holes are created in as straight a line as possible then really ensure the feathers are all inserted (and remain) in the correct position, ie. they face their 'partner' feather directly perpendicular to the line of the crack your trying to induce. The straighter you do both these tasks, the easier it's going to be to split the rock. Good luck!

  • @pab913
    @pab9132 ай бұрын

    What type of drill bit did you use

  • @HardscapeCanada

    @HardscapeCanada

    2 ай бұрын

    I use a carbide tipped drill bit for SDS drills like my Hilti hammer drill I use in the video. Sizing will vary depending on the size of your wedges and feathers

  • @pab913

    @pab913

    2 ай бұрын

    @@HardscapeCanada Thanks! Appreciate the info.

  • @NCmtnDweller
    @NCmtnDweller6 ай бұрын

    Looked on eBay only seen cheaper Chinese junk and other styles with oring holding all together etc Where might a person buy some CANADIAN or USA made ones like u used ???

  • @HardscapeCanada

    @HardscapeCanada

    6 ай бұрын

    Hey check them out right here! If you do order let them know I sent you! www.miconproducts.com/wedges.html

  • @darrinmc

    @darrinmc

    5 ай бұрын

    Trow & Holden also sells them

  • @cayrick

    @cayrick

    Ай бұрын

    I bought a few sets of 5/8 Chinese wedge and feathers on Amzn. 7 for $30. On really hard rock like Basalt or granite they do an incredible job. So if you won't use them often they are what you want. Problem is some other rock types which are porous will deform as you drive in the wedges and will be ineffective and the boulder will chip or spall and small pieces fall off. Maybe in such cases larger W&F's such as Kev shows in his video will work or the alternative which I am in the process of testing is Dexpan expanding cement.

  • @gamegeekx
    @gamegeekx3 ай бұрын

    There has to be a easier way when your arm gets stuck in a boulder.

  • @timothyanderson2108

    @timothyanderson2108

    2 ай бұрын

    Gold No one else picked up on that 😂

  • @ajazkarim6387
    @ajazkarim638711 ай бұрын

    ہیلو کیا حال ہے جناب امید ہے کہ اپ خیریت سے ہوں گے اپ کے اس طریقے سے کسی بھی پتھر کو توڑ سکتے ہیں میرا تعلق شمالی پاکستان یہاں کے پتھر بہت سخت ہیں کراکرم ہمالیہ کے ٹو کے دامن میں

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