Anchorscrewsareakindofreplacementpiles, sotheyarebasedononeoftheoldestformsoffoundationconstruction-pilefoundations, whichhavebeenusedforthousandsofyears.Contrarytotheearlierwood, anchorscrewsaregalvanizedsteelpipeswithweldedthreads, whicharedesignedtosupporthorizontalandverticalloadsinthefloorandareinstalledwiththehelpofananchorscrewdriver.Usingthistypeoffoundationeliminatestheneedtomoveanyearthduringconstruction.
