ARDEX WPM 405

ARDEX WPM 405 is a brilliant waterproofing membrane that’s perfect for keeping your spaces dry. It’s easy to apply and works wonders on a variety of surfaces, making it a go-to choice for both DIY enthusiasts and pros alike. Whether you’re tackling a shower, balcony, or basement, this product has you covered. Just slap it on, and you’re good to go! ARDEX WPM 405 is an SBR, multipurpose, concentrated, liquid polymer additive which can greatly improve the bond strength, flexibility and workability of sand/cement mortars and screeds. Being water resistant, ARDEX WPM 405 mixed with cement can also be used as a temporary waterproofing sealer.

Features:

• Reduces the cement water ratio, which can result in a stronger mortar/screed.
• Can be used as a temporary waterproofing sealer when mixed with cement.
• Can be used in surface preparation (patching requirement) as it can be feathered out with minimal cracks.