The Specification gives a detailed statement explaining the type of jobs to specify LevelFlor® Acrylic Primer for, the scope of work, thicknesses, performance requirements and usage.
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Q: What is LevelFlor® and what can it be used for?
A: LevelFlor is a self-leveling underlayment that can be used to fill low spots and correct unevenness prior to installing tile, carpet, or epoxy coatings.
Q: Does LevelFlor require a primer or bonding agent?
A: Yes. When LevelFlor is placed over a porous substrate trapped air in the substrate migrates to the surface causing pin holes and bubbles. A primer seals the surface of the substrate, reducing or preventing pin holes. Primers can also reduce water loss into the substrate and increase adhesion.
Q: What type of primer should I use with LevelFlor?
A: Rapid Set® Acrylic Primer has been specially formulated for best results with LevelFlor and is ideal for most applications. Rapid Set TRU Epoxy Primer (TXP) is also compatible with LevelFlor and can be used where excellent adhesion is required.
Q: How should I mix LevelFlor® and can it be pumped?
A: LevelFlor can be mixed in buckets or barrels with a 650 rpm drill and “helix style” paddle mixer. A batch mixer and mortar pump can also be used.
Q: How thick can LevelFlor® be applied?
A: LevelFlor can be applied neat up to 1 inch thick or up to 5 inches if extended with pea gravel. LevelFlor can also be troweled to a feather-edge to match existing elevations.
Q: Is LevelFlor as fast as other Rapid Set products?
A: LevelFlor provides much more working time than typical Rapid Set products. At 70° F, LevelFlor has a 15 minute flow life and can provide up to 30 minutes working time.
Q: Can LevelFlor be used as a finished floor?
A: LevelFlor can be used as a temporary wear surface accepting foot traffic in 3 to 4 hours and rubber wheel traffic in 24 hours but is not designed to be a permanent finished floor surface.
Q: How soon can I place my finished floor over LevelFlor?
A: In most cases, moisture insensitive flooring such as tile can be placed just 4 to 6 hours after placing LevelFlor. Moisture sensitive flooring such as epoxy or VCT can usually be placed in as little as 16 hours.