At present, coiled waterproofing materials emerge in an endless stream in the building materials market. As the most common waterproofing materials, bac and sbs, what's the difference between them? Bac membrane waterproof material belongs to self-adhesive membrane, which is quite different from sbs membrane waterproof material in construction method. Tearing off a layer of bac film and pasting it is as simple as self-adhesive without baking, which greatly reduces the probability of fire and the utilization rate is getting higher and higher. Of course, the price is higher than sbs coil. These two kinds of coiled materials can be used for roof waterproofing. Let's take a look at the specific differences between them, which are mainly reflected in the construction environment, operation process and maintenance.

First of all, in the construction environment, sbs coiled material requires that the construction plane must be flat, clean, dry and pollution-free. If the construction surface is uneven and needs leveling, it will also have a great impact on the rainy season construction. Bac coiled material waterproof material can be constructed in wet environment, and only needs to be washed with clear water without leveling.

In the process of construction operation, sbc coil should be coated with basic treatment agent before construction, and then baked with hot melt fire; Bac coil does not need to be treated at the grass-roots level, and can be directly pasted on the construction surface after tearing off the isolation film, but it should be noted that there is no open flame during construction. For the requirements of construction workers, sbs coiled materials need to be baked by hot melting and fire, so the requirements for construction workers are relatively high, and the final effect has a great relationship with the level of workers. The coil is easy to be destroyed when baked with fire for a long time, and the pasting effect cannot be achieved in a short time; Bac coil is self-adhesive, and the construction personnel only need simple training to operate it.

In terms of maintenance treatment, sbs waterproof material needs to be re-layered in the later maintenance; Grouting is needed to prevent leakage when maintaining the backing coil. From the time limit for a project, sbs coiled material needs to be leveled on the construction surface and treated at the grass-roots level, so the construction time is long. In terms of cost, bac membrane is expensive, but its comprehensive cost is not much higher than sbs membrane because of its advantages in construction period and operation.

To sum up, bac waterproof material is more convenient and faster to use. There are all kinds of waterproof coiled materials on the market now. I suggest you know more, compare more, and choose the waterproof coiled material that is most suitable for your consumption ability and not expensive.

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