Floor Patching MortarA new type of concrete floor repair mortar that combines the adhesion of polymer materials with the durability of inorganic materials. It features high compressive strength, rapid curing, and excellent adhesion. Additionally, it boasts good water retention and crack resistance, high alkaline resistance, and UV resistance.

For different ground issues, different repair methods should be employed.For instance, taking cracks on the surface of cement subgrade as an example, the construction process of the flooring repair mortar is as follows:

Key Construction Tools: Electric mixers, mixing drums, buckets, trowels, soft-bristle brushes, and maintenance watering equipment.

1. Field Treatment:

The base surface should be clean, dust-free, oil-free, and free of any residue from chemical corrosion agents, and loose materials within the parts to be repaired should be removed. If rebar is exposed to the ground, the rust on the rebar should be washed off with water to remove dust.All construction surfaces should be pre-moistened thoroughly with water. Keep the base surface moist until all water has evaporated to achieve better construction results.

Material Mixing:

First, pour water into the bucket, then slowly add the powder while stirring, following the correct ratio of water to materials, until a smooth and lump-free mortar is achieved.In this step, mechanical or manual stirring can be used to prepare the slurry, which should be used within 2-3 hours.

Floor Patching Mortar Application

Firstly, mix the thin-layer floor repair mortar and additives into a paste, then apply it to the concrete repair surface and rebar.Mixed floor patching mortar should be applied and compacted on-site. If the repair thickness exceeds 50mm, it should be handled in layers, with each layer applied evenly.When the construction area is large, construction joints should be reserved or staggered. The minimum interval for staggered construction should be no less than 24 hours to prevent the mortar from cracking.During the subsequent plastering, apply the plaster in one go; do not repeat the process. To enhance strength and compaction, water curing is required after construction. Wet straw mats can be used for large-area curing.Additionally, the following issues should be paid attention to during the construction process to avoid quality loss due to improper detail handling.