A sill plate (110) adapted to support drywall (132) above a floor surface (112) to prevent the formation of mold in the drywall (132). The sill plate (110) has a base section (114) and a first wall (116) associated with the base section (114). A first shelf (136) is associated with the first wall (116). The first shelf (136) is adapted to support drywall (132). The sill plate (110) may also include a second wall (118) associated with the base section a (114) where the second wall (118) is opposed from the first wall (116). The second wall (118) may include a second shelf (138) associated with the second wall (118). Each of the first shelf (136) and second shelf (118) may extend along a plane parallel to a plane passing through the base section (114). Drywall (132) may rest on the first shelf (136) prior to being affixed to vertical studs (124) extending from the sill plate (110).
