Mapei Planex HR Maxi 25Kg Cementitious Mortar, used for thick, breathable internal and external floor smoothing

It uses flexible resin technology for high adhesion, is a low-dust powder that doesn’t require pre-mixing, and cures quickly to speed up tiling projects. It also adheres well to textured surfaces and a variety of substrates.

It bonds to most substrates, including concrete, gypsum, insulation boards, and expanded polystyrene, and is suitable for interior and exterior tiling with porcelain, ceramic, mosaic, and non-porous tiles.

Yes. It is formulated for interior and exterior applications and provides reliable adhesion for porcelain tiles and other common tile types on a range of surfaces.

Pour clean water into a clean mixing container, gradually add Planex HR Maxi powder while mixing with a drill mixer or trowel until you achieve a smooth, lump-free paste. Use a traditional notched trowel to apply the adhesive to the substrate, then back-butter larger tiles if needed and place tiles as required.

Yes. Its flexible resin technology helps it grip heavily textured surfaces and works with non-porous tiles like porcelain and some stone varieties.

Planex HR Maxi is ECCOemme-labelled, indicating environmental safety. It is a low-dust powder that cleans up with soap and water and is designed to be safer to handle.

Planex HR Maxi offers good adhesion strength and workability suitable for wall tiling; ensure the substrate is sound and primed if required, apply with an appropriate trowel size, and press tiles firmly to consolidate contact on vertical surfaces.

Common issues include insufficient adhesive coverage, improper substrate preparation, or movement before the adhesive cures. Ensure clean, dry substrates, correct mixing, and proper tile placement and alignment to avoid lippage and bond failures.

If you’re considering alternatives, you can compare with Mapei Ultralite S1 on Fepy here: https://fepy.com/product/mapei-ultralite-s1-20kg and Mapei Adesilex P9 here: https://fepy.com/product/mapei-adesilex-p9-20kg. These options are also suitable for wall and floor tiling and provide different open times and cure characteristics.

Consider factors like substrate compatibility, tile type (porcelain vs ceramic), indoor vs outdoor use, ease of mixing, open time, and total project speed. Planex HR Maxi offers low-dust, easy prep and fast curing, while alternatives may vary in weight, cost, and working properties.