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Backfilling the bathroom is an essential element of renovations. Its purpose is to safeguard the pipeline, stop leakage, improve the thermal insulation capacity of the bathroom, and the list goes on. When selecting bathroom backfill materials, it is important to take into consideration several factors based on the specific situation, such as the performance of insulation in backfill material, the cost of construction difficulties, cost, and environmental protection.
Currently, on the market, there are common slag backfills, carbon slag backfills, ceramic backfills, overhead backfills, and foam cement backfills, five kinds of backfills. We have some confusion about different backfills:
Slag backfill is indeed more economical, but the slag is so heavy that it is easy to crack the floor slab and lead to water leakage.
Overhead backfill is less expensive because you don’t have to buy too much material.
Backfilling the bathroom with foamed cement has been hot for a few years; doesn’t foam cement have its drawbacks?
The following are the advantages and disadvantages of five common bathroom backfill materials and selection advice for your reference:
Building debris backfill
Slag backfill is a more traditional backfill; the advantages are lower cost, simple construction, and a certain degree of thermal insulation properties.
Due to the sharp edges of construction waste, backfilling with slag will poke through the waterproof layer or pipeline; in addition, the weight of construction waste is relatively large and easy to settle.
Has been eliminated. Do not recommend the use of this method; the family budget is not enough to use the construction debris backfill. First of all, be sure to use fine sand to protect the ground waterproofing, and then use red brick to protect the pipeline. Backfill should be layered compaction, and finally, mud mortar to level the ground do a good job of secondary drainage.
Carbon Dregs Backfill
Carbon slag backfill is one of the more common types of backfill, with the advantages of lower cost, simple construction, lightweight, porous structure, and very good moisture absorption for moisture control.
However, the disadvantage of carbon dregs backfill is that it is not stable enough, is easy to deform, easy to fall off, and relatively flimsy, easy to absorb water in the moisture; the volume increases to increase the pressure on the floor slab, resulting in settlement.
Given its drawbacks, carbon slag backfill for bathrooms has been rarely chosen in recent years.
Ceramic backfill is one of the more common types of backfill, with advantages such as good insulation, lightweight, high strength, corrosion resistance, and long life.
However, the cost of ceramic backfill is higher, the construction is more difficult, and the work is too complicated; before pouring into the ceramic granules to use lightweight bricks to do layered partition, the bathroom is divided into a number of squares, and then fill the squares with ceramic granules, and then lay a diameter of one centimetre or so of the reinforcing steel mesh, and finally levelling with cement mortar.
Suggestion: look at the family budget and consider it comprehensively.
Overhead backfill is one of the more common backfill methods, the advantages of which are simple construction, stable quality, not easy to deform, not easy to fall off and so on.
The construction cycle is long, and the labour cost is more expensive among several backfilling methods. The bottom drain pipe is overhead, and the sound of running water will be more obvious; the drain pipe is often in a suspended state, and it is easy for the joints to loosen easily, and the problem of water leakage will lead to stagnant water at the bottom, and there will be a peculiar smell, which will breed mosquitoes and bugs.
Suggestion: the disadvantages outweigh the advantages need to be carefully considered!
Foamed Cement Backfill
Foamed cement backfill is a more used backfill; the material is safe and environmentally friendly. The raw material of cement foaming agents is plant-based fatty acid, which is safe and environmentally friendly.
Its advantages are good heat preservation, lightweight, high strength, corrosion resistance, long life and so on. In the backfilling process, it has very good fluidity and can realize seamless filling, and the cost and time of construction are also greatly reduced.
However, foamed cement should be used with cement to give the pipe a good fix first. Otherwise, it is easy to float up.
You need to hire a builder with experience in foam cement backfill or learn about construction tutorials in advance.
At present, backfilling the bathroom with foamed cement is the choice of most people, and the advantages are still relatively obvious.
In the end, all five backfills for bathrooms offer advantages and drawbacks. When selecting the right bathroom backfill material, it is important to think about several factors based on your current situation. It is imperative to remember that when selecting bathroom backfill material, you must consider the environmental aspects to make sure that the bathroom decor is sustainable and safe for the environment.