R-830 Flexible Joint Sealant, Fast Set

Flexible, semi-clear joint filler in a dual cartridge. Fills control and expansion joints, cures in minutes, stays rubbery so the joint can move without cracking the floor.

What's in the box

• 1 Tube Set: 300 ml Part A + 300 ml Part B dual cartridge with a static mixing nozzle
• Case of 6 or 12 tube sets
• You need a dual-cartridge caulk gun (not included)

What it covers

• 11 to 12 lineal ft per tube set at 1/2 by 1/2 inch
• A 2-car garage with two control joints usually takes 4 tube sets

Coverage figures assume the recommended thickness on a properly profiled slab. Rough or porous concrete uses more. Order the next size up if your floor is at the top of a range.

Use it when

• Filling saw-cut control joints before a seamless floor
• Expansion joints that move seasonally

Pick something else if

• Structural cracks (rigid epoxy)
• You do not have a dual-cartridge gun

Specs

• Solids: 100%
• Mix ratio: 1:1 (cartridge)
• Working time (min): 1-2
• Recoat (hr): 1
• Foot traffic: 1-3 hr
• Full cure: 3-5 days
• Apply at (F): 40-90

Data sheet available on request. Test a small area first.