Mapei Mapelastic Aquadefence Waterproofing Membrane

In stock |

Ready-to-use, ultra quick-drying, flexible liquid membrane for waterproofing internal and external

  • Mapelastic AquaDefense is supplied ready to use.
  • Mapelastic AquaDefense is a rapid product: resists water 1 hour after applying the first coat and 3 hours after applying the second coat.
  • Ceramic may be bonded after 4 hours (at +23°C and 50% R.H. when applied on a dry screed with less than 3% residual moisture).
  • Mapelastic AquaDefense is elastic: at +23°C it has 3.2 mm crack-bridging capacity without reinforcement

Product Options:


Ready to use, flexible, ultra rapid drying waterproofing membrane for interior and exterior use in showers, wet rooms and on balconies*. Can be tiled after 4 hours. For use on screed, render, concrete, plywood and ceramic finishes. Can be reinforced with Mapetex SEL to provide an anti-fracture membrane.

Where to use:

  • To form waterproofing layers before applying ceramic, stone and mosaic coatings in:
  • Balconies and terraces;
  • Bathrooms and shower cubicles;
  • Laundry rooms;
  • Saunas and damp environments in general.

Flexible: Yes
Drying Speed: 4 Hours
Waterproof: Yes

Packaging: 7.5 kg and 15 kg rectangular buckets.

Coverage: Approximately 1 kg per 2 coats.

More Information

Brand Mapei
Area Internal | External
Coverage approx. 1.3 kg/m2 per mm of thickness. Approx 1kg per 2 coats
Type Waterproofing

Technical Info

Delivery Costs:

Delivery fees are calculated based on the weight of your order and your delivery location. You can use the delivery fee calculator in your basket or on the checkout page to find the exact cost.

Delivery Area:

We currently only deliver to UK Mainland and the Highlands. We do not deliver to the Islands, Ireland, or Northern Ireland.

Next Working Day Delivery (Subject to Stock Availability):

Orders placed before 12:00 pm (noon) will be delivered the next working day, excluding weekends and holidays. This service starts from £6.50 (including VAT) and the final cost is based on the weight of your order and your delivery location. You can check the exact cost in your shopping cart or on the checkout page by entering your postcode.

Economy Service (2-3 Working Days):

This service is only available for orders over 50kg. There is no additional charge for this service.

Sample Orders:

All sample orders are shipped for free via Royal Mail Tracked 48 or 24 service. Delivery typically takes 1-3 working days.

Delivery Methods:

Non-sample orders under 50kg will be dispatched via DPD or APC Overnight. Non-sample orders over 50kg (quarter, half, and full pallets) will be dispatched via Palletways or Kandrmason.


Simply place your order online and choose the Click & Collect option at checkout.
We'll email you once your order is ready for pickup at your chosen store.
Collection hours: Monday - Friday: 8:30 am to 4:30 pm

For more information, please visit our Delivery Information page.

- Please inspect your order for any damages upon delivery and notify us immediately if you find any.

- We will replace any items that are damaged during transit.

- We accept returns within 30 days of delivery.

- Please note that customers are responsible for the cost of returning items.

- We will process returns and refunds promptly once the items are received at our warehouse.

Returning Trims
Schluter Trime
Returning trims - 35% restocking fees applied.
Returnign trim with replacement - 15% restocking fees applied
Customers are responsible to arrange returning the item.
If we arrange a return colleciton, a £35 return item collection feed will be applied.

Mapei-Profilpas Trims
A 20% restocking fee will be applied. (Item must be in re-sellable condition)
The customer is responsible for returning the item.

For more information, please visit our Return & Exchange page.


Product Questions