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__________ are a type of temporary stairways that serves as a form to be filled in with concrete after the stairs have been set in place.

User Konrud
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pan stairs made by filling concrete after they are installed or have been set in place.Pan stairs typically have treads that are flanged up in the front and back to receive a cement fill. They are are affordable type of stairways and these stairs are intended for use in conjunction with our Concrete Filled Landings.
User Svenmarim
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