Over a vapor retarder in a shower or bathtub compartment. When installing greenboard around a tub with an integral "tiling flange," should I install the green board down to the top of the flange or extend it down over the flange to rest directly on the tub edge or shelf? Backer Board Installation Labor, Basic Basic labor to install backer board with favorable site conditions. Green board is not the proper backer for a shower stall unless a complete waterproof-membrane system is applied over it. The cement board should be plumb, hence the need for shims sometimes. The flange extends 7/8" up from the tub edge (or shelf), is 3/8" thick and is butted against the surrounding wall studs. 1. Your shower surround keeps water from coming into contact with the wall behind it. This guide will show you how to install a bathtub in your new or remodeled bathroom from beginning to end. In a shower. Because the backer board tends to bow out when 'lipped' over the tub flange, you should: Install the tub ; Install shims on the studs to 'pad out' the backer so that it just clears the tub flange and overhangs it a bit (but doesn't 'land' on the rim of the tub) but leaves a 1/4 to 3/8 inch gap to the tub. While standard drywall comes in ¼” and ½” thicknesses, greenboard is sold in ½” and 5/8″ thicknesses. To do this, roll on a layer of sealing primer and leave it to dry for 24 hours. Make sure that you seal the bottom of the band to the tub with Kerdi fix or something like that. If you think you simply can't do that, stop the drywall at the top of the tub surround or shower enclosure and switch to backer board from there down. In 2006, section 702.4.2 was changed and 702.4.3 was removed. 129 square feet: $114.26: $171.42 The problem is, is that even firred out, there are places around the tub where the drywall is not fully over the 1/4" lip of the tub. A bathtub surround is a vertical surface material that protects the walls just above a bathtub or bathtub/shower unit. I install 1/2" backer board 1/4" above the lip of the tub. Install the shower handle, showerhead and tub spout according to the manufacturer’s instructions. The plan is to float 2-3 rows of tile onto the green board, 3×6 inch subway tile. Install green-board drywall in areas subject to moisture, like kitchens and bathrooms, but with hot-dipped galvanized drywall screws and a screw gun rather than standard drywall screws. Install the shower handles, shower head, tub spout, and escutcheon plates according to the manufacturer’s instructions. And then where do we put the greenboard? Green board is easier to install and less expensive than cement board alternatives. Measure the width and depth of your alcove, and make sure the dimensions are correct for the shower you’re putting in. Place painter’s tape to protect the tub deck. Few things are as relaxing as a soak in your bathtub. Wallboard needs to have an expansion joint of 1/8 inch around the perimeter of the shower and between each board. Green board drywall is sometimes used in shower and bathroom installations to cover the wall studs and provide a surface for tile or wall panels to be installed afterwards. Surrounds can be constructed in many styles, ranging from a single row of ceramic tile that serves as a kind of backsplash around the tub, to fully covered walls that encase the three sides of a bathtub or shower alcove. USG … Finish the Installation . Green E-Board is a moisture-resistant drywall product that will not grow mold or mildew. We color the paper green like we are going to fool the mold. Make sure that escutcheons cover the holes, then caulk around the fixtures. Install shower rod and curtain (or the shower door). It's an old cast iron tub. You can then caulk the 1/4 inch gap between the bottom of the cement board and top of the tub. Step 2 Cut pieces of Green E-Board to fit so edges will line up with existing framing. First, apply the tile adhesive to the wall in small areas. Especially if used as a backing for tile in a tub or shower surround, unprotected gypsum board is not durable or stable enough to stand up to the bathroom environment in the long term. A shower system made for “direct to stud” installation is designed to have the wall flanges covered with green board, mudded in and painted. This is to allow for movement … Mark where each piece will be cut and lay a straight edge on the cut line. When exposed to moisture, which any wallboard will be in a bathroom, gypsum board swells, molds and deteriorates. Tile backer board (not green drywall - cement-based products in 3x5 sheets) is much better for the job. Walls should be square in both corners and plumb all the way around. Leave a 1/4″ (6 mm) gap between the KERDI-BOARD and the tub deck. Includes planning, equipment and material acquisition, area preparation and protection, setup and cleanup. For most shower walls, the drywall installed in the home during the building phase is cut off at the edge of the shower opening, and then backer board is installed in place of the drywall in the wet areas. I am finishing up a DIY project and letting a professional Tiler install the backerboard and tile. One type of tile backer board is made with a water-resistant facing on both sides of the board. Install Green E-Board if wall boards are to be replaced. Gypsum board is not the best choice of material for bathroom walls, however. The facing serves as an integrated waterproofing membrane, so you don't need to install a separate layer of plastic behind the tile backer or a sheet membrane over the backer. You can tile over greenboard sheetrock whether it is in the shower or any other location. Nice article. Membrane-Faced Board Only . Before attempting tub surround installation, check that your shower alcove is framed properly and in good condition. Remove debris from floor. I'd install it on all walls and ceilings in a bathroom so long as you follow the manufacturer's installation instructions. Completely fill the gap between the KERDI-BOARD and tub using Schluter™-KERDI-FIX or other suitable sealant. The installation process of greenboard is the same as blueboard, and a water barrier will be needed to keep moisture away from the board. Use a level to confirm this. Greenboard is a term that's occasionally used for a type of drywall that is used for walls in damp but not wet zones in a building. The same types of water membranes can be used with both blueboard and greenboard. As the name implies, one side of the green board is green, which helps installers identify this type of drywall and also helps with installation – since green board is green, it helps installers identify which areas need more mud … Ideally, drywall should be in the next room, or at least around the corner. The core of the green board drywall is a thicker and more resilient version of the drywall's gypsum core, which allows it to withstand indirect moisture applications, such as the humidity in a bathroom or near a laundry room. Gapping the cement board above the tub 1/8-1/4 inch would be advisable. The exterior paper has a green tint to it helping to separate it from standard gypsum board, and leading to the product being known by most people as “greenboard.” Greenboard Is Thicker Than Drywall. Fiberglass and acrylic tub and shower enclosures come with a flanged edge that attaches directly to the wall studs, and the proper way to hide this flange is to install drywall over it.

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