4 to 1 Mud Bed Mix

Sand and Cement Mortar Mix

4 to 1 is a preblended mixture of finely graded sand and Portland cement used for thick-bed mortar installations. 4 to 1 flattens and levels an existing substrate before the installation of tile and stone.

Technical Data Sheet

Safety Data Sheet

FAQs

FAQ
Can I use MAPEI's 4 to 1 Mud Bed Mix to create the slope for my shower floor?

Yes, MAPEI's 4 to 1 Mud Bed Mix is highly recommended for use as a dry pack mortar when building a mud bed to create a proper slope on a shower floor.

FAQ
How thin can I apply 4 to 1?

MAPEI's 4 to 1 Mud Bed Mix can be applied as thin as 3/8" (10 mm).

FAQ
How thick can I apply 4 to 1?

MAPEI's 4 to 1 Mud Bed Mix can be applied as thick as 3" (7.5 cm).

FAQ
How should I mix 4 to 1?

MAPEI's 4 to 1 Mud Bed Mix can be mixed by hand using a wheel barrel and a shovel. Start by mixing 2 quarts of water for the entire bag and very gradually add up to 1 more quart of water as needed to obtain the desired consistency. Note: When using MAPEI's 4 to 1 Mud Bed Mix to create a slope, the consistency should be fairly stiff.