Mapei Deep-Penetrating Consolidating Primer, 25Kg, Used for Strengthening and Dust-Proofing Weak Cementitious Screeds

Prosfas works with concrete, quarry-faced stone, brick, stone, terra-cotta, as well as substrates like wood, metal, and glass. It is suitable for both indoor and outdoor applications.

Yes. Prosfas cures to a transparent, waterproof finish, helping to maintain bond integrity in moist or humid environments.

Prosfas can be applied manually with a brush or roller, or mechanically using a sprayer. Its ceramic-like consistency allows good substrate penetration and a secure, lasting bond. It can be applied to both dry and damp substrates.

Yes. The product is designed for high humidity and wet areas, making it suitable for use around pools and other damp environments.

Store the unopened 25 kg bag in a dry place, protected from moisture. The product has a shelf life of up to three years when stored correctly.

Use appropriate PPE (gloves, eye protection, and good ventilation). Avoid skin or eye contact, and wash exposed skin with soap and water. Keep the product out of reach of children and follow local safety regulations.

Tools and skin can be cleaned with soap and water before the adhesive dries. For dried residue, mechanical removal or solvent-free cleaning methods recommended by Mapai/Mapei guidelines should be followed.

According to its specifications, Prosfas supports structural adhesion for materials such as aluminum and wood siding when used under appropriate conditions and substrate preparation.

For quick comparisons, you can explore related options on Fepy such as Mapei Prosfas Rapid and other Mapei adhesives. Examples include: Prosfas Rapid at https://fepy.com/product/mapei-prosfas-rapid-25kg and Adesilex P9 at https://fepy.com/product/mapei-adesilex-p9-25kg. You can also review more by searching for Mapei adhesives at https://fepy.com/search?q=mapei+adhesive.

If you’re looking for alternatives with similar bonding capabilities, you can browse related products on Fepy, such as Mapei Ultrabond or other Mapei bonding agents. Example links include: Ultrabond search at https://fepy.com/search?q=mapei+ultrabond and general Mapei adhesives at https://fepy.com/search?q=mapei+adhesive.

Prosfas offers professional-grade performance with versatile substrate compatibility and a long shelf life, packaged in a 25 kg bag for substantial coverage. These factors contribute to strong value, especially for larger projects or repeated use in commercial and residential settings.