4-to-1 sand-and-cement mud bed mix

Professional-grade sand and cement mortar mix formulated for building and leveling mud beds. Ideal for creating shower floor slopes and screeds from thin fills to thicker builds, delivering strong, durable substrates for tile installation.

Key Features:

• Versatile Application Range: Apply from 3/8 in. up to 3 in. to form slopes or build-ups
• Shower-Ready: Recommended dry-pack for properly sloped shower floors
• Workable Mixing: Start with 2 quarts of water per bag; add up to 1 additional quart to reach desired stiffness
• Durable Composition: Sand-and-cement formulation for strong, stable mud beds
• Jobsite Friendly: Can be mixed by hand in a wheelbarrow with a shovel

Please check the Product Data Sheet Here

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Can I use it to slope a shower floor?
A: Yes, it is recommended as a dry-pack mortar for creating a proper shower floor slope.

Q: What is the minimum application thickness?
A: It can be applied as thin as 3/8 inch (10 mm).

Q: What is the maximum application thickness?
A: Up to 3 inches (7.5 cm).

Q: How do I mix a bag?
A: Begin with 2 quarts of water for the entire bag and gradually add up to 1 more quart until a fairly stiff consistency is achieved for sloping.

Sculpted Foundations for Spa-Worthy Showers

This mix creates a beautifully smooth, tailored base that elevates tile from ordinary to architectural. I love its confident, sand-and-cement bodysturdy yet willing to shape to your exact slope. Pair it with large-format porcelain to dramatize a serene, seamless plane. Its the quiet luxury essential beneath every impeccable bath experience.

Build a solid, perfectly sloped foundationchoose MAPEI 4-to-1 Mud Bed Mix for your next tile project.