Oatey 40-in x 20-in Perfect Slope Extension White and Brown Solid Surface Shower Kit

With the Oatey perfect slope 40 In. x 20 In. tile shower pre-slope extension, you can install a perfect tile shower pre-slope that requires half the mortar, half the time. For use on tile shower installations, add 40 In x 20 In extension to accommodate larger shower configurations up to 40 In x 60 In Made of expandable polystyrene and fiber board Creates a code required 1/4 In slope under shower pan liner Easy to extend or trim during custom shower installations Replaces the pre-sloped mortar bed Installation requires the Oatey 40 In x 40 In base, available for purchase separately