Can A Cement Floor Adhere To Redgard
Redgard is a liquid waterproofing and crack prevention material that dries to a flexible membrane.
Can a cement floor adhere to redgard. The mfr just states to use a custom polymer modified thin set is any custom polymer modified from hd ok to bond to cb and then the tile. Also it is good for up to 10 pounds per 1000 sq. After everything has dried then you can put out your silicone caulking to seal everything up. Check with wedi schluter laticrete goboard or whichever manufacturer to see how they want their product installed over a concrete subfloor.
It has to be the next step up. Any input re redgard and thin set would be appreciated. I called their tech dept and they said that you can use redguard as a moisture barrier as long as you skim coat with a cementitious compound such as ardex so as not to glue directly to the redguard. Using redgard under floor and wall tile will create a barrier that will be undisturbed after the tile is installed and grouted.
Gaps between plywood sheets and where floors meet walls must also be prefilled. Per gallon each coat. If you can t wow them with knowledge baffle them with bullcrap the following 3 users say thank you to evan1968 for this useful post. For interior and exterior use redgard may be applied to surfaces such as concrete exterior grade plywood decks and gypsum based materials.
Fall off in time if he installed over redgard. I have my permabase installed on studs and i was going to redgard it but. It can t be the 5 00 a bag stuff though. For continuous crack isolation cover the entire substrate with redgard applied at a rate of 100 sq.
Which thinset should i use. For example at lowes there are two unmodified thinsets from laticrete one is called floor adhesive 5 00 a bag and the other megabond their 317 at 10 98. The other is foam backer board which is ok to install over concrete. It makes no sense that an impervious surface such as porcelain would stick to unmodified thinset but it does.
My tile installer told me that thinset we are not talking about mastic would not. Nothing is going to stick to the caulking including your redgard. This can be beneficial if you are wanting to insulate concrete from an electric floor heating system above it. Redgard waterproofing membrane is an easy to install solution to prevent water leaks through horizontal and vertical installations.
I am going to use redgard waterproofing roller applied membrane over cement bd then thinset then the tile itself. It is far better for you to paint the redgard over the edges of the durock or other cement board in order to create a completely waterproof barrier. Stick to redgard as well as it would to bare cement board and that tiles would. It also functions as a moisture barrier beneath all kinds of floor coverings.