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Specialization
Waterproofing and Repair works
TECHFANS aims to deliver innovative and reliable solutions for all onsite waterproofing challenges. Through our Affordable waterproofing services, we help customers protect their buildings with advanced materials and expert technical support. Our highly skilled and experienced team carefully understands each project requirement and provides effective waterproofing solutions that ensure long-term durability.
As a trusted provider of Affordable waterproofing services, TECHFANS specializes in protecting different parts of buildings such as basements, walls, bathrooms, kitchens, balconies, terraces, roofs, water tanks, swimming pools, and decks. Waterproofing plays a crucial role in preventing water leakage, structural damage, and moisture-related issues in both residential and commercial structures.
Types of Waterproofing Methods for Buildings
Bituminous Membrane Waterproofing Method
Affordable waterproofing services often include bituminous membrane waterproofing, a highly effective method widely used for low-sloped roofs and sunken areas due to its long-lasting performance. This system provides strong protection against water penetration and helps extend the life of building structures. Bituminous waterproofing membranes are mainly available in two types: torch-on membranes and self-adhesive membranes. Self-adhesive membranes are made using a blend of asphalt, polymers, and fillers. In some cases, special resins and oils are added to enhance bonding strength and improve adhesion to surfaces. However, the self-adhesive type generally has a shorter shelf life because its bonding capability may reduce over time. Torch-on membranes, on the other hand, are applied using heat and are available in both exposed and covered varieties. Exposed membranes usually contain mineral granules that help protect the surface from weathering and external damage. For covered membranes, contractors typically apply a protective screed layer to prevent punctures and improve durability. Choosing Affordable waterproofing services that use high-quality bituminous membrane systems ensures reliable waterproofing and long-term protection for roofs and structural areas. With proper installation and maintenance, Affordable waterproofing services can significantly reduce leakage issues and improve the overall lifespan of buildings.
Bituminous Coating Waterproofing Method
Affordable waterproofing services often include bituminous coating waterproofing, a reliable method used to protect structures from water damage. The flexibility and water resistance of this coating depend on the polymer grade and the reinforcement used in the formulation. Bituminous coating, also known as asphalt coating, is commonly applied as a waterproofing and protective layer for surfaces such as concrete foundations and structural elements. It forms a flexible barrier that prevents moisture penetration and helps improve the durability of the structure. Many Affordable waterproofing services use bitumen-based materials for this method because of their strong adhesion and protective properties. However, this coating is generally not suitable for direct exposure to sunlight, as prolonged UV exposure may affect its performance. Choosing professional Affordable waterproofing services ensures proper application and long-lasting protection.
Polyurethane Liquid Membrane Waterproofing Method
Affordable waterproofing services often include polyurethane liquid membrane waterproofing, which is commonly used for roof areas exposed to harsh weather conditions. This method creates a seamless and highly flexible waterproof layer that protects surfaces from water leakage. Polyurethane liquid membranes provide excellent flexibility and durability, making them suitable for areas that experience movement or temperature changes. However, polyurethane is sensitive to moisture, so the concrete surface must be properly checked for moisture content before application. Professional Affordable waterproofing services ensure proper surface preparation and correct application to avoid peeling or de-bonding of the membrane over time. With the right installation, Affordable waterproofing services can provide long-lasting protection for roofs and exposed structures.
Cementitious Waterproofing Method
Cementitious waterproofing is the easiest method of waterproofing in construction. The materials for cementitious waterproofing is easily available from suppliers of masonry products, and they’re easy to mix and apply. This method is often used in the internal wet areas such as toilets. This method is usually a rigid or semi flexible type waterproofing, but since it is used in internal areas such as toilets, it is not exposed to sunlight and weathering. Thus Cementitious waterproofing does not go through contract and expansion process.
Liquid Waterproofing Membrane Method
Liquid membrane is a thin coating which consists of usually a primer coat and two coats of top coats which are applied by spray, roller, or trowel. It offers more flexibility than the cementitious types of waterproofing. Liquid waterproofing membrane can be of spray applied liquid membrane composed of polymer modified asphalt. Polyurethane liquid membrane in separate grades for trowel, roller, or spray are also available from various manufacturers.
Polyuria Waterproofing Membrane
Polyurea coating found applications in myriad of industry branches due to its extraordinary properties. The first uses were connected with polyuria coating as safety measures against explosions and fire arm shots, and additionally as protection for PUR foam against UV radiation. Contemporarily polyuria is material used in many branches of economy such as construction, energy, fuels, naval industry, waste industry, ballistic industry, etc. Selected, specific applications for polyuria coating, which are found around the world.
Types of Repair Works
Honeycomb in structural concretes
Honeycomb refers to voids in concrete caused by the mortar not filling the spaces between the course aggregate particles. Concrete Honeycomb is normally seen at the column and beam junction due to overcrowding of reinforcement bars which leads to poor concrete fill. The major reasons for honeycomb is over reinforcement, inappropriate workability of concrete, use of stiff concrete mix etc.This damage area will be treated by pressure grouting method.
Structural concrete Cracks
Cracks in a building are common occurrence. A building component develops cracks whenever stress in the component exceeds its strength.
Cracks are classified into two
1, Structural cracks or major cracks
2, Non structural cracks or minor cracks.
Major reason for cracks is drying shrinkage, Thermal contraction or expansion, Settlement, Lack of appropriate control joints.
Structural cracks or major cracks can be treated by epoxy injection method.
Minor cracks are those which are superficial in nature and do not penetrate deep into the structure. It can be treated by RCC.
RISING Dampness
Rising damp occurs when ground water rises through capillaries in masonry to saturate it. To prevent this, modern homes are built with a DPC (Damp-Proof Course). Compared to penetrating damp or dampness caused by excess condensation, rising damp is relatively rare. Dampness levels are checked by moisture content machine and Techfans provide appropriate treatment for dampness like capillary action.
Concrete Spalling Treatment
Concrete Spalling is the breakdown of concrete via natural weathering and/or chemical reaction that results in sections of cement chipping off the main body – often resulting in fractured, compromised concrete. Spalling looks like pitted acne scarring and breaks off in flecks which can expose rebar. Techfans is providing a proper treatment for this issues.
Columns and Beams Strengthening by Jacketing
Jacketing has been considered as one of the important methods for strengthening and repairing of RC beams and columns. Jacketing of RC beams and columns is done by enlarging the existing cross section with a new layer of concrete that is reinforced with both longitudinal and transverse reinforcement.
PEST CONTROL
Pest control is the process of managing and preventing pests, such as insects, rodents, and other animals, from causing damage to crops, buildings, and other areas. There are a variety of pest control methods, including physical methods such as traps and barriers, and chemical methods such as pesticides.