I'm doing a bathtub to shower conversion, and after removing the tub, found out that the subfloor is out of level … I am surprised. slapappy . You may freely link How to Prevent Hairline Cracks in Shower... How to Prevent Hairline Cracks in Shower Tile. If you're still wary about the evenness of your shower floor, use cement board to guarantee a level surface. Hopefully, your tiling hasn't been laid on an uneven bed. As a shower floor material, however, that comes with a price. Particleboard? When no gap is between the straight edge and screed you have a flat plane. If you're still wary about the evenness of your shower floor, use cement board to guarantee a level surface. Once this has been done, you can use the shims to place the cement board. Premixed thinset mortar is available at most home improvement and hardware stores. Affordable Bathroom Ideas. Visit our E-commerce store for Flooring, Supplies and Equipment, Click here to see our selection of underlayments. Keep in mind that the goal is not a perfectly level floor. My shower pan is not level by 1/2" to 3/4" in new corner shower. When installing a ceramic tile floor on a concrete subfloor, you don't have to worry about flexing as long as the concrete slab is at least 1 1/8-inch thick, which most slabs are. is_confirmation;var mt = parseInt(jQuery('html').css('margin-top'), 10) + parseInt(jQuery('body').css('margin-top'), 10) + 100;if(is_form){jQuery('#gform_wrapper_4').html(form_content.html());if(form_content.hasClass('gform_validation_error')){jQuery('#gform_wrapper_4').addClass('gform_validation_error');} else {jQuery('#gform_wrapper_4').removeClass('gform_validation_error');}setTimeout( function() { /* delay the scroll by 50 milliseconds to fix a bug in chrome */ jQuery(document).scrollTop(jQuery('#gform_wrapper_4').offset().top - mt); }, 50 );if(window['gformInitDatepicker']) {gformInitDatepicker();}if(window['gformInitPriceFields']) {gformInitPriceFields();}var current_page = jQuery('#gform_source_page_number_4').val();gformInitSpinner( 4, 'https://blog.cityfloorsupply.com/wp-content/plugins/gravityforms/images/spinner.gif' );jQuery(document).trigger('gform_page_loaded', [4, current_page]);window['gf_submitting_4'] = false;}else if(!is_redirect){var confirmation_content = jQuery(this).contents().find('.GF_AJAX_POSTBACK').html();if(!confirmation_content){confirmation_content = contents;}setTimeout(function(){jQuery('#gform_wrapper_4').replaceWith(confirmation_content);jQuery(document).scrollTop(jQuery('#gf_4').offset().top - mt);jQuery(document).trigger('gform_confirmation_loaded', [4]);window['gf_submitting_4'] = false;}, 50);}else{jQuery('#gform_4').append(contents);if(window['gformRedirect']) {gformRedirect();}}jQuery(document).trigger('gform_post_render', [4, current_page]);} );} );. If the level is level both ways, place it across the pan or base. Be weary when laying your mortar that it doesn’t go down your drain, or you could do more harm than good. If it has, you'll need to pull it up. A good general rule of thumb is that the foundation shouldn’t slope more than 3⁄16 inch (0.48 cm) every 10 feet (3 m). Log In Sign Up. It’s really nice way to fix the flooring like this, Great work, Your email address will not be published. It is inexpensive. The shower tray, available in a range of sizes with thicknesses from 1-21/32" (42 mm) to 2-3/8" (60 mm), eliminates the need for a mortar bed, and is easy to install. If the subfloor doesn't have enough stability, you can usually (but not always) remedy the situation by installing cement backer board, also called cementboard. In addition, it’s a porous material which can be easily damaged by certain substances and you need to choose your cleaning products and toiletries carefully. The primary objective is to support the weight of the built up shower pan and provide a durable subfloor in the event of the natural processes of home settling and seismic movements. If the subfloor is not level, pour in floor leveling compounds to fill the uneven areas. Although the shims aren’t necessary, they help to prevent problem areas. We welcome your comments and Leveling subfloor for Kerdi shower tray. Your email address will not be published. how to install a shower subfloor Shower remodel . Here’s our guide to fixing an uneven subfloor: Step 1: Assess the situation. If you are able to pinpoint the problem and determine that you must rip up the old subfloor and install a new one, or repair the joists that hold it up, let your customer know that the scope of the project includes more than just installing a new floor. The Onda shower tray requires an extra depth of 18mm below the subfloor level at the waste, so you must … It is crucial that the mortar is not dried when you complete this process. There are six subfloor… suggestions. If the subfloor is uneven, the support ribs will not rest firmly on the floor across their entire length. Test fit shower pan drain housing into subfloor bore hole. The process of fixing an uneven subfloor depends on the type of material you’re dealing with and the cause of the problem. Replacing floor in small bathroom due to un level floor. Self Leveler: self leveler does not need to stay intact after the backer board install. This is something you definitely want to repair to ensure a smooth and even final product. Although the shims aren’t necessary, they help to prevent problem areas. This usually means that either the floor itself or the subfloor underneath is experiencing problems. When a subfloor becomes warped or delaminated (swells and deteriorates), it is no longer level or structurally sound. Making sure that your final product is up to par and then ensuring that there are no moisture problems waiting to rear their ugly heads will help to prevent callbacks, and will leave you with happy customers. Choosing the correct subfloor. Often, it’s so typical that it goes completely unnoticed.