Tools – West System – Fillable Caulking Tubes


Tools/Epoxy/Filler/Additive – West System – Fillable Caulking Tubes

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Tools/Epoxy/FIller/Additive – West System – Fillable Caulking Tubes

West System – Fillable Caulking Tubes
For use with a standard caulking gun. Can be refilled several times, before the epoxy begins to cure and again after cured epoxy is popped out. Package of 2, 24.

Colour: N/A

Good to know

  • Use with a standard caulking gun
  • Can be refilled several times

MFG#; C810-2, C810-24

Alternative Part Numbers: 655-8102, 655-81024
8960090 – 810-2 2-pk Fillable Caulking Tube
655-81024 – Fillable Caulking Tube (24/Bx)

Additional information

West Systems - Fillable Caulking Tubes

810 Fillable Caulking Tubes for faster, neater fillets

When creating lots of epoxy fillets, a faster way to apply the thickened epoxy is with an 810 Fillable Caulking Tube. It takes a bit of time to transfer the epoxy into the tube, but it is wonderfully efficient for applying epoxy to the joints. Compared to other application methods, it’s also less messy.

The 810 Fillable Caulking Tube provides a tidy and economical approach to making fillets and injecting the epoxy.

Once a bead of thickened epoxy is applied, it must be spread into a smooth, uninterrupted fillet.

We cut the open end of the Fillable Caulk Tube at a taper to make it easier and neater to fill. The enlarged opening allows neater and faster transfer of the thickened epoxy from the mixing pot.

Cutting this tapered end uses up some of the tube’s available volume, but less epoxy in the tube reduces the chance of the epoxy getting too hot, which it does when a larger volume is confined.—From “Faster, Neater Fillets” by Tom Pawlak, Epoxyworks #45

Repairing Cracks in Concrete

The process involves cleaning the loose concrete and dirt from the crack and installing some tubes through which you can inject the epoxy deep into the crack. You also need to fill over the top of the crack to keep the epoxy from flowing out of the crack during the injections.

Although WEST SYSTEM epoxy will bond to damp concrete, the best adhesion is obtained when the concrete is dry. Under no circumstances should water be flowing through the crack. If water is flowing, either wait for the dry season (if there is one in your location) or use a different method to seal the crack.

Clean the loose rubble and dirt out of the crack. Use compressed air, vacuum cleaner, hacksaw blade, wire brush, or even power wash if you don’t mind more water in the basement. The cleaner and drier the surface, the better the adhesion. If the crack is narrow, you may want to use a hammer drill to drill a series of small diameter holes in the crack to open it up a little. This may make it easier to clean the litter from the crack and also encourage drying.

To fill the crack, you will need to install filling tubes (which also serve as vents) every couple of feet. Use a hammer drill to drill holes, centered in the crack, and the same size as the outside diameter of a piece of copper tubing. Many times the crack is not perpendicular to the surface, so you may have to drill at an angle to follow the crack. Use a 3/8″ drill for narrow cracks. This will accept a 3/8″ outside diameter (o.d.) copper tube. If the crack is wider, use a 5/8″ drill and 5/8″ o.d. copper tube. Drill into the crack 1½” to 2″ deep so the epoxy will be able to fill the crack more easily. Push the tubing into the crack until it bottoms in the drill hole. Allow at least an inch to extend beyond the wall surface. When the job is complete, you will grind off the excess tubing.

If you are working on a vertical surface, you need to prevent the epoxy from flowing out the crack as you inject it. Do this by sealing over the top of the crack with a putty made of WEST SYSTEM Epoxy thickened with 406 Colloidal Silica or 403 Microfibers. First coat an area a couple of inches wide along each side of and into the crack with the resin and hardener mixture, then trowel the thickened epoxy putty over the top. Force the thickened epoxy into the joint with a putty knife so it gets a good mechanical bond. The idea here is not to fill the crack—just seal the top so it won’t leak when the epoxy is injected. Thoroughly seal around the copper pipes and allow the epoxy to cure overnight before beginning the injecting operation.

To inject the epoxy, measure and mix a cup of epoxy—about 6 strokes each from the 301 BC Mini Pumps. Pour the epoxy into a WEST SYSTEM 810 caulking tube. If you are working on a horizontal crack, start at one end and work towards the other end. If the crack is vertical, start injecting at the lowest fill tube and work toward the top. Insert the nozzle of the tube into the first copper tube and inject. Push the caulking tube nozzle into the copper tube with enough force to make a seal. Keep several corks of the appropriate size handy to stick in the copper tubes to keep the epoxy from running back out when you remove the caulking tube to refill it.

When epoxy flows from the vent tube, you can assume the crack is full of epoxy to that point. Plug the original copper fill tube with a cork or crimp the pipe and move to the next vent tube. Inject more epoxy into that tube until it comes out of the next vent tube. Continue in this manner until you have injected epoxy into every tube in the crack.

Allow the epoxy to cure overnight, remove the plugs from the tubes and saw or grind the protruding portion of the tube flush with the wall. Touch up the ground area with an epoxy patch to match the rest of the crack, allow it to cure, and finish the repair area to match the rest of the wall.—From “Repairing Cracks in Concrete” by Brian Knight, Epoxyworks #5


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