Can you tile over Mapei AquaDefense?

Asked By: Pablina Cardenas | Last Updated: 15th March, 2020
Category: style and fashion bath and shower
4.6/5 (1,796 Views . 29 Votes)
How soon can I install tile over Mapelastic AquaDefense? Cement-based thin-sets – such as MAPEI's Ceramic Tile Mortar, Ultraflex 1, Porcelain Tile Mortar and Ultraflex 2 – can be installed when Mapelastic AquaDefense turns to a dark green color (typically after 30 to 50 minutes).

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Simply so, can you paint over Mapei AquaDefense?

Mapelastic AquaDefense can be applied with a paint brush or 3/8" nap paint roller.

Additionally, how long does AquaDefense take to dry? 12 hours

Beside above, will Thinset stick to AquaDefense?

Aquadefense is a great waterproofing product. Thinset mortar will adhere to it that's what it's specifically manufactured for. It requires the use of a polymer modified / latex modified thinset mortar. Check out the library shower construction thread to make sure that you built your shower correctly so far.

How do I get rid of AquaDefense?

Remove excess Mapelastic AquaDefense (while fresh) with damp sponge, soap and warm water. Any completely dried material may be mechanically removed.

29 Related Question Answers Found

Can you use Mapei AquaDefense on plasterboard?

plasterboard (for internal applications only); existing coatings in ceramic, terrazzo and stone; cementitious render. Mapei Mapelastic AquaDefense is a totally solvent-free, ready-to-use,ultra-quick drying, one-component light blue synthetic resin based paste in water dispersion.

What is AquaDefense?

Mapelastic AquaDefense is a premixed, advanced liquid-rubber, extremely quick-drying waterproofing and crack-isolation membrane for installation under ceramic tile or stone in residential, commercial and industrial environments.

Can you paint over waterproof membrane?

As long as you use a good primer, you should be OK, though. You can apply thinset over the RedGard and prime and paint over that.

Is AquaDefense paintable?

since you are not installing tile over it, it can be painted with a latex paint. Welcome, Katherine. Redgard is designed to be covered with tile or stone within 72 hours of installation. It is not meant to be left unprotected and latex paint is not gonna be considered a suitable protection.

Can you use AquaDefense on drywall?


No. AquaDefense is not approved for showers constructed with drywall.

Is unmodified thinset waterproof?

All portland based cementious products will allow water to pass through. The latex modified is more resistant due to the latex that is mixed in with the adhesive but that doesn;t make it "waterproof". The latex also allows a bit more flex in the tile and substrate. As Jason described, thinset itself isn't waterproof.

What is mapelastic AquaDefense?

Mapelastic AquaDefense is a premixed, advanced liquid-rubber, extremely quick-drying waterproofing and crack-isolation membrane for installation under ceramic tile or stone in residential, commercial and industrial environments.

Does Thinset absorb water?

Cement board, backer board, thinset mortar, tile, grout and sealers aren't waterproof. Some tile absorbs very little, while grout and natural stone are porous as a sponge.

Does 100% silicone stick to RedGard?

When the mortar is cured, run a small bead of silicone to seal between the tub and the tiles. DO NOT use thinset in that gap. Caulk that gap with siliconized or latex caulk and then use Redgard over the caulk. Regard will not stick to 100% silicone caulk.

Does Thinset adhere to silicone?


Furthermore, thinset will not adhere to silicone.

Can I use modified thinset on Kerdi?

Modified thinset mortars aren't recommended for use with Kerdi because they must dry out to gain strength, whereas the membrane inhibits drying, which can lead to unpredictable results. For example, if a shower is used before the mortar has cured properly, leaks and polymer leaching can occur.

Does cement board wick water?

If you use cement backer board, you have to install a separate moisture barrier between the board and any wood it's attached to. Since the concrete can absorb and wick moisture, the barrier prevents wood rot if the backer board gets saturated with water.

How do you use mapelastic HPG?

Use a 1/8" (3 mm) V-notched trowel, short-nap (3/8" [10 mm]) roller or paintbrush to apply Mapelastic HPG at 40 mils (1 mm) in thickness and about 13" (33 cm) in width, centered over the cracks.

How soon can you tile after waterproofing?

After 4 hours of letting the waterproofing dry, start tiling.

How long after waterproofing can I tile?


Often waterproofing membranes will have a “short dry time” but this doesn't include the need to apply several coats in the waterproofing process. Often coats will need to applied on separate site visits. In practice the tile ready time is still often 48 hours from the start of waterproofing.

How long should Thinset dry before waterproofing?

Allow the RedGard membrane to cure for 1 to 1 1/2 hours. The color will turn from pink to a solid red sheet with no pink spots when it is fully dry. It is most important that you wait for the color of the product to turn completely red as ambient conditions will make the dry time vary.

How long does waterproofing spray take to dry?

Dry time: Consider how long it takes the item to dry once you apply the spray. Allowing the item to fully dry is necessary when using a waterproof spray. A waterproof spray that takes 48 hours to dry is not going to be effective if you need it for a camping trip in two hours.