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Surface Transformation + Maintenance

Sealant Removal

 Slice or Scrape

Joint Sealant, Surface Sealers / Adhesives ~ Without Melting.




Joint Sealant Removal - Cutter Blade


Slices through Hard, Soft, even Gummy Joint Sealant
- Without melting the sealant.

Pricing / Ordering

Slicing through the middle of sealant - Sealant does not melt. Discharged "sliced" sealant is fluffy - It is not hot! Cutter blade cutting deep into the joint. Safely and quickly removes the sealant along the joint's inside edge - without melting the sealant.
YOU CAN:  Even slice through the middle of sealant material without melting the sealant (including soft urethanes). YOU CAN:  Completely sink the blade into the joint without damaging the Stellite® Cutter Chips from hard concrete or aggregate that may be directly beneath the sealant material.

- Click on pictures for detailed view -



Stellite Cutter Blade for cutting through both hard and soft joint sealant from expansion joints.



12" x .125 x 1"/20mm Stellite Joint Sealant Cutter Blade.

  • Makita 13.5 Amp, Variable Speed, Long Life / High Performance Grinder.For use with standard handheld angle grinders - variable speed models are recommended (picture, right) - and walk-behind saws (just above idle speed).

    As effective as the blades are at slicing through the sealant without melting it, simply by lowering the tool's RPM's you will naturally reduce friction heat buildup . . . which further improves the blade's effectiveness at slicing through longer sections of sealant without melting it. 

  • Slices or removes joint sealant from the inside edge of expansion joints without melting the sealant - including hard, soft and pliable sealants.

  • As the blade is slicing through the sealant, the inside edge of the joint is  completely scraped clean with one pass of the blade . . .

    Any excess sealant still remaining is easily "touched-up" by lightly cutting into the concrete.

    A new and cleaning inside edge is exposed, assuring you of proper adhesive bonding of the new sealant to freshly exposed concrete.

How effective is the Stellite Cutter Blade at not melting the sealant?  Try This:  Slice through long strips of sealant - straight down through the center of the sealant and see for yourself how the sealant material (hard or soft) does not melt.

You've tried similar blades before and the diamond chips broke or fractured from the blade's metal core?  Try This:  Cut directly into the inside edge of the concrete joint and the Stellite® Cutter Chips will not break!  Though it isn't the design of the blade to do so, the design of the blade enables it to overcome a wide assortment of difficulties and abuses that are typically encountered on a jobsite - including the removal of joint sealant when concrete or mortar is "directly beneath" the sealant (instead of the joint being open-ended or filled with backer rod).



Specifications / Features

Thermally Stable Stellite® Cutters

  • Resists high temperature heating
  • Maintains their sharp cutting edge
  • Harden, high temperature cutters keeps the blade from dragging - preventing friction heat

Precision Shaped & Fitted Chip:

  • High Pressure, High Temperature (HPHT) - Solid Stellite® Cutters
  • Precisely made, shaped and fitted to resist friction heat build-up
  • Cutter maintain their sharpness to slice through hard and soft joint sealant instead of grinding it . . .

Maintains Sharp Slicing Edge

  • Utility knife blades and diamond blades wear prematurely.
  • Diamonds round-over and grind (they do not cut).  Hence, when a diamond blade grinds it creates friction heat which causes it to instantly melt the joint sealant.
  • The harden cutters on the Stellite Blade do not round-over which keeps the sealant from melting.



Slice through Hard Polyurea and / or Soft Urethane

  • Cutter Chips Maintain Their  Sharp Edge

  • Sealant Material Does Not Melt

  • Cutter Chips Will Not Prematurely Fracture

Slicing along the edge of an expansion joint.

Quick and easy slicing (removal) of joint sealant along the inside edge of concrete expansion joints.

Slicing along the edge of a concrete joint without damaging the diamond cutters.

Harden cutters are protected from fracturing.

Slicing into soft, pliable joint sealant - Sealant does not melt!

Dust Director Joint Sealant Cutter Blades cut fast - with no melting of the sealant nor fracturing of the diamond cutters. 

- Click on pictures for detailed view -



Removing caulking / expansion joint with a utility knife.


Until now . . .  Removing caulking or joint sealant from concrete & masonry control joints has always been a slow, labor intensive, unhealthy chore . . .

          There has to be a better way . . .


Joint Sealant Cutter Blade, 4-1/2".Joint Sealant Cutter Blade, 12".Stellite Sealant Cutter Blade

Fast, Professional, Safe

Accomplish 2 Steps in 1:

Joint is Prepared . . . Ready Immediately for Resealing:

  1. Joint sealant material is sliced from the control joint

  2. Harden Stellite Cutters lightly scrape the inside edge of the joint, providing a clean, exposed surface for re-sealing:

  • Joint sealant material isn't melted, regardless if the material is hard or soft

  • Inside joint walls are cleaned . . . completely scraped free of sealant

  • Harden cutters aren't damaged or fractured if they hit hard concrete

  • Joint is not widened - sealant is completely removed

  • Blade handles comfortably with precise, safe control

  • Low profile chips prevent the blade from kicking- backwards  towards the operator

Joint sealant - Sliced away from concrete.

Sliced Joint Sealant, ready to be pulled from the joint.

Strips of cut sealant - sealant is not melted.

Strips of joint sealant being easily removed from the joint.

As the caulking is cut, a fine edge finish is left.

Clean, Finished Inside Edge -

Ready for Immediate Resealing.





- Testimonials -

- What the contractors are saying about the Stellite Cutter Blade -

********** Testimonial  **********

"Phenomenal - My guys say they're better than using a FEIN Caulk Cutter"

"Completely removed the sealant - we cut down both sides of the joint and pulled-out long strips of sealant.  The sealant was completely removed - we didn't have to go back and clean the joint's inside edges  -- well done and thank you."

" . . . used it on sealant that was very gummy (we think they forgot to add the hardener to it).  The blade worked far better than a Caulk Cutter or wire wheel."

Masonry Restoration Contractor, Chicago, IL


"Extremely Productive - After we cutout the sealant we immediately were able to install the new sealant.  The inside edges were completely  free from the old joint sealant and new concrete was exposed for proper bonding of the new joint sealant - the joint was completely prep'd and ready to go . . ."

Coatings & Caulking Removal Company, Miami, FL



Joint Sealant Cut-Out Blade Pricing - Individual & Box (10 / box) Pricing


Joint Sealant Cutter Blade, 4-1/2".


Dust Director Joint Sealant Cutter Blades

For use with:

  • Angle grinders (variable speed models are recommended, see below)

  • High-Speed Cut-Off Saws

  • Walk-Behind Saws

Joint Sealant Cutter Blade, 12".


Item No Size Individual Price Box Price - 5/Box
Freight Prepaid on 2  Boxes
SCB-45C 4.5" x .080 x 7/8" $ 110.00
(98.00 ea)
SCB-06C 6" x .080 x 7/8" $ 125.00
SCB-12E 12" x .125 x 1" $ 390.00
(360.00 ea)


Item No Variable Speed Angle Grinder
- Recommended Angle Grinder -
Makita 13.5 Amp, Variable Speed, Long Life / High Performance Grinder. Individual Price
9564CV 4.5" Makita, 13.5 Amp Cruise Control
2800 RPM to 10,500 RPM
$ 160.00
9564CV6 Same model as above but with a 6" guard. $ 169.00



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15061 Route 30
N. Huntingdon, PA  15642
Fax:  412.824.4704

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