PIM+ Type S application manual
Permanent Internal Membrane Plus Type S — Application guide
Step 1: Surface preparation
- For best results, due to the depth PIM+ Type S can penetrate, ensure the concrete has cured for at least 21 days.
- Ensure the surface is clean.
Step 2: Applying PIM+ Type S
- Use a Hudson-can-style hand-pump sprayer for even, soaking, application.
- Spray back and forth over the same area a minimum of four times, overlapping as you move up to the adjoining dry area.
- For vertical surfaces, apply from the bottom up.
- For horizontal surfaces, apply from the low point (i.e., near a drain) up to the high point.
- Apply until the surface stays wet and shiny for at least 10 seconds.
- Spread any puddles remaining after 30 seconds with a mop or squeegee.
Step 3: Post-application rinse
- Any excess PIM+ Type S not spread out before it dries, will dry to a 200 mesh silicate flour, (the same size as talcum powder) and very difficult to broom off concrete.
- It is easier to hose off the surface treated before the surface air dries.
- This will not affect the PIM+ Type S treatment as the gels formed in 15 to 20 seconds are inside the concrete, not on the surface of the concrete.
Step 4: Coverage
- Coverage depends on the porosity of the concrete surface. i.e. exposed aggregate absorbs more product than machine troweled floors.
- Expect 100 to 225 square feet per gallon with an average coverage of about 150 square feet per gallon.
Step 5: Curing time
- The gels formed inside the concrete up to the 6 mm or greater depth PIM+ Type S penetrated require a minimum 72 hours to cure, hydrating into non-soluble silicate/glass crystals in the internal voids previously filled with water-soluble alkali salt crystals.
- The PIM+ Type S treated surface, while wet, can be rained on and walked on.
Safety and handling
- PIM+ Type S is water-based and not flammable.
- Wear rubber gloves and eye protection. PIM+ Type S causes skin and serious eye irritation, and if your hands get wet, the 200-mesh silicate/glass crystals left when it dries will irritate the creases in your skin.
Cleanup
- Clean up hands and tools with soap and water.
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