Oatey Slope Extension 41641

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.