The Indian construction industry is undergoing a transformation, with precast concrete emerging as a key driver of innovation and efficiency. The market is broadly classified into high-density load-bearing precast, used in infrastructure projects like bridges and tunnels, and lightweight non-load-bearing precast, which dominates the commercial sector. However, existing products from most major manufacturers do not fully comply with the National Building Code of India’s thickness requirements for walls, limiting their application in residential projects. Chennai-based Bose Building Materials & Prefab Houses Pvt. Ltd. (BBMPH) is bridging this gap with innovative precast solutions that align with regulatory standards while introducing superior quality and durability. Unlike its competitors, the company offers wall panels ranging from 60 mm to 180 mm in thickness, significantly enhancing structural integrity and versatility.
With its innovative fireproof, insulated, sound absorbent, and marbonite-look (FISM) technology, BBMPH offers a diverse range of products designed for both residential and commercial applications. Its wall panels come in various forms, including steam-cured fiber cement board surfaced panels and multilayered chloride-free MGO board surfaced panels.
BBMPH also specializes in false ceiling boards, offering painted or laminated panels in sizes of 450x450mm and 600x600mm. Its design floor tiles are scratch-free, durable, and available in wood veneer laminated or painted finishes while the precast compound walls come in thicknesses ranging from 100mm to 150mm, with a standard pole-to-pole spacing of 3000mm. Looking to the future, the company is developing various new products, including colored fire-resistant insulated roof tiles and fireproof decorative doors.
Moisture Resistance & Reliability of Wall Panels
BBMPH manufactures its panels using cellular lightweight concrete (CLC) technology with protein-based foaming agents, resulting in superior moisture resistance. With limited moisture absorption ranging from 8 to 12 percent, these panels perform significantly better than conventional foaming agents, which absorb between 40 percent and 50 percent. Unlike autoclaved aerated concrete (AAC) panels, which use aluminum oxide, BBMPH employs a protein-based foaming agent, which significantly reduces water absorption and ensures superior longevity and stability. “Practical water absorption tests have demonstrated that our panels outperform alternatives in moisture resistance”, remarks Vali, Senior Manager, (Marketing), BBMPH.
BBMPH places precision engineering at the forefront. “Internationally, dimensional variation is restricted to 3mm, but we ensure our panels maintain a deviation of less than 2mm, resulting in smooth surface finish with minimal undulations”, adds Vali.
The surface panels comprise two-layer glass fiber mats and polyethylene cloth while the core composition includes glass and PP fibers, cement, 30 percent fly ash, and EPS, making up 85 percent of the volume. Additionally, the panels undergo steam curing, which enhances their durability compared to air-cured alternatives.
Chloride-Free MgO Boards
BBMPH’s chloride-free MgO boards redefine sustainability in construction. Unlike chloride-based panels, which corrode supporting structures in high humidity environments, the company’s advanced magnesium oxy-sulphate cement technology ensures durability and environmental compatibility. These boards offer fire resistance with an A1 rating, withstanding temperatures up to 2800°C. They are fully recyclable, reducing the carbon footprint of construction projects while also enhancing energy efficiency and lowering HVAC costs by up to 50 percent. Their moisture and termite resistance prevent structural degradation, and they provide radiation protection against environmental exposure.
Available in thicknesses ranging from 4mm to 25mm, these boards integrate multi-layered glass fiber mats, polyethylene fabric, and high-strength slurry made of MgO and MgSO4 +to enhance performance. Notably, BBMPH’s 100mm thick wall panels, with chloride-free MgO surface boards, have passed the fire safety test as per EN 1364 - Part 1:2015 for not just two but four hours.
Cutting-Edge Curing & Carbonation Techniques
BBMPH stands apart from its competitors through superior construction methods and materials. “While many manufacturers rely on pulp-based panels for surface reinforcement, we employ multilayered fiber-reinforced polymer (FRP) mat and polythene-reinforced cement for enhanced durability”, says Vali. The core material of the company’s panels integrates glass and PP fibers, EPS modifiers, and CLC with protein-based foaming agents, whereas competitors typically use AAC with synthetic foaming agents.
BBMPH stands apart from its competitors through superior construction methods and materials
BBMPH optimizes the foam volume in its panels at 20 percent with protein-coated pores compared to the 60 percent foam volume with unprotected pores found in other products. Besides, the company provides steel reinforcement in its panels, a feature often limited to ALC panels without surface reinforcement in competitor products. Notably, BBMPH employs a superior curing process that includes both steam and carbonation curing instead of solely relying on less durable air curing. The company’s proprietary installation method that uses steel rods and FRP tape also ensures structural stability and minimizing joint cracks, whereas competitors often depend on thin G.I. channels that are prone to joint failures.
From Awareness to Retention
BBMPH follows a well-defined client engagement process that begins with the reach phase, which involves actively spreading awareness about its offerings through strategic marketing and industry outreach. Upon engaging potential customers, the company moves into the acquisition phase, gathering data, identifying client needs, and prioritizing leads to offer personalized solutions. “Following this, we conduct site visits, take precise measurements, and fulfill orders with a focus on efficiency and accuracy. Also, to ensure long-term satisfaction, we maintain strong relationships with our clients through continuous support and service excellence in the retention phase”, explains Vali. Lastly, in the loyalty phase, the company fosters trust and brand advocacy, encouraging repeat business and long-lasting partnerships.
Despite disruptions from the COVID-19 pandemic and geopolitical tensions, BBMPH leveraged its in-house R&D to develop cutting-edge products. By 2022, the company had introduced fiber cement boards with thicknesses ranging from 4mm to 25mm, chloride-free magnesium oxy-sulphate boards, and steam-reinforced, steel-reinforced wall panels with thicknesses from 60mm to 180mm. With continuous advancements in building chemicals, installation infrastructure, and government incentives promoting sustainable construction, BBMPH is at the forefront of India’s precast building revolution. “Our mission is clear, which is to provide cutting-edge, environmentally friendly, and socially responsible solutions that benefit industries and communities alike”, concludes Vali.
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