Shower Pan Membranes –
Installing a shower membrane guarantees that your shower floor and enclosure will remain water-tight. A shower membrane is equivalent to a swimming pool liner. It is a specific type of plastic sheeting that goes about the bottom of the enclosure and the shower pan to avoid water from seeping through gaps and crevices in the shower and into the underlying components.
The lack of a shower membrane can outcome in rotting wallboard, mold, mildew, and rotten wood studs. In other words, large problems. It is a simple and economical piece of material that will make all the distinction in the life and efficiency of your shower. Here you will find some tips on installing a membrane in your shower enclosure. These guidelines are based on the assumption that the concrete base has currently been poured.
Step 1 – Measure the Membrane
Measure the shower pan. Set up the membrane following the initial layer of concrete has set, but do not wait until it is completely cured. Usually, letting it remedy overnight before installing the membrane is fine. Lay the membrane on the floor and transfer your measurements onto it. The membrane must extend between 9 and 12-inches up the side walls for the complete amount of protection. Strategy your measurements accordingly. Mark the measurements with a permanent marker and use a utility knife or scissors to reduce it. Don’t overlook to cut out a space to accommodate the drain.
Step 2 – Match the Membrane
Lay the membrane in the shower pan and adjust it as needed. Set up the membrane before the backerboard. The membrane will bunch in the corners. It is important to wedge the membrane back into the space in between studs and get it as smooth as feasible. If there is a hump where a wad of membrane is, you will see it as soon as the tile or surround is installed, so take some time to make sure it is carried out properly. If you hang your backer-board very first, leave .25-inch gaps in the corners.
Step 3 – Safe the Membrane
Use rubber cement about the opening in the liner subsequent to the drain. Cement around 1-inch of the material to the shower pan about the drain. Finally, use the waterproof tape in the corners and around the edge of the membrane to seal it.
Step four – Finish the Shower Pan
Pour the final layer of concrete more than the membrane, equal to the height of the drain. Smooth the final layer and let it cure. Have the drain height set at this point, as you will not want to have to adjust the height after the final layer of concrete is poured. Once the shower floor is complete, you are ready to finish the shower.