Mapei Cementitious Adhesive & Basecoat, 25Kg, Suitable for Bonding and Levelling Thermal Insulation Boards on Facades

Mapei Mapetherm AR1 is a ready-to-use grey adhesive designed for bonding tiles to concrete substrates. It is intended for industrial and professional use, offering fast setting and durable bonding for a wide range of tiles.

It bonds to concrete substrates and is suitable for bonding ceramic, porcelain, mosaics, marble, natural stone, and granite tiles. It can also bond to blended or coloured concrete and, in some cases, to wood and metal as specified.

Ceramic, porcelain, mosaics, marble, natural stone, granite, and most blended or coloured concretes.

Yes. It is designed for both internal and external installations and is water-resistant and frost-resistant, able to withstand rapid temperature changes.

The product is supplied as a powder. Mix with clean water to form a mortar, then apply with a notched trowel or a suitable comb. It dries to a tough, durable bond suitable for traffic.

It is a fast-setting adhesive that provides a quick bond and durable performance. It is suitable for industrial installations and can handle traffic after curing.

Prepare a clean, sound, and stable substrate. Remove dust, laitance or loose material, and ensure the surface is appropriate for bonding.

Wear appropriate PPE, including gloves and eye protection. Avoid inhaling dust during mixing, and wash skin/eyes if contact occurs. Store the product in a dry place away from children.

Compared to other Mapei adhesives on Fepy, AR1 is a cement-based ready-to-use adhesive with fast setting designed for industrial use. Alternatives like Adesilex P10 are polymer-modified with different open-time and flexibility characteristics (https://fepy.com/product/adesilex-p10), and Ultralite S1 is a lightweight option with its own handling and open-time traits (https://fepy.com/product/mapei-ultralite-s1). If available, AR2 offers a related product line (https://fepy.com/product/mapetherm-ar2-25kg). Choose based on tile type, substrate, and exposure.

AR1 provides fast setting and strong bonding for industrial environments, which can translate to reduced installation time and long-term durability. Compare unit cost, coverage per bag, and suitability for your specific tile and substrate with other options on Fepy to determine the best value for your project.

Store AR1 in a dry, cool place in its original container with the lid closed. Shelf life is indicated on the bag; follow storage guidelines to maintain performance.