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building waterproofing material
roofing waterproof membrane

Application of Waterproofing Membranes

Waterproofing is essentially needed for buildings. Water damages the buildings firstly aesthetically and then structurally. If precautions do not been taken on time, buildings will be affected dramatically and decay each day.

Ingress of water can be from everywhere to buildings, foundations, roofs, walls, basements, wet spaces such as walls, balconies, terraces, sloped roofs, bathrooms, etc. from interior and exterior surfaces.

The waterproofing membrane application is the primary protection system for buildings. Depending on the structure and need, the waterproofing membrane can either be applied to the interior (negative side) and, the exterior (positive side), or in places inaccessible by people (blindside).

Each application is different from the others by method and product specifications. Ideally, a waterproofing membrane should be strong, flexible, tear-resistant, and elastic and if it is exposed to the sun should be UV resistant.

Generally, waterproofing membranes are classified as sheet membranes or liquid membranes. Sheet membranes are more traditional applications. They can be applied by a hot torch or some of them have self-adhesive properties. SINOMTC Bituminous Membranes are produced and modified with APP or SBS.

Types change depending on reinforcement material, upper and lower coated material, and technical performance. All membranes show high flexibility, high tensile strength, long-lasting performance, perfect adhesion, and resistance to the aggressive effect of soil.

Can You Paint Over the Waterproofing Membrane?
The answer to this question depends on the product used. However, if applicable you can paint over the waterproofing membrane by following the steps below.

  1. Surface Preparation
    To apply paint on roofs, floors, foundations, or walls, surface preparation is quite vital. If the surface is not prepared adequately, the adhesion of the paint will not be enough and the attempt will fail. However, if you prepare the surface before applying the paint, you can achieve a better result. Typically surface preparation steps are as follows;

Remove the old paint and loose particles
Organic growth if the surface has any should be treated and removed
Repair the surface if it has any defects like cracks
Make sure the surface is clean and dry

  1. Priming the Surface
    Certain surfaces require a primer application before painting. For example, a primer should be applied to consolidate friable surfaces and to seal porous surfaces, if corrosion is present on steel surfaces.
  2. Application
    Evenly apply the paint with a brush, spray, or roller. The thickness of the paint may depend on the paint, coating, and waterproofing membrane. Quick note: if the temperature is low or the chance of rain is high, most products cannot be applied. The surface needs to be dry for the application.
  3. Safety
    Do not forget to take the necessary protective measurements before you apply a coating or painting on the waterproofing membrane. The protective equipment may include overalls, gloves, and goggles. We recommend you refer to the manufacturer’s health and safety instructions.

What is the best membrane for waterproofing?
Besides the traditional membrane type, SINOMTC also presents a new solution to the customer with a self-adhesive membrane. Self-adhesive membranes provide quickness and easiness application without needing any heat source. Considering these, Baumerk provides innovative solutions to your problems and the best membrane for waterproofing.

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