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Building your own home in a coastal region is an aspiration for many.
Mesmerising views. Moderate climate. Natural beauty all around. Such appealing factors often draw people to coastal construction.
However, coastal construction also comes with its own unique set of challenges.
- The presence of salt in the air, soil and water exposes structures to excessive chlorides and sulphates. The result? Increased risk of corrosion in concrete-made structures.
- High levels of humidity and moisture can lead to microbial growth within the concrete. This consequently reduces the compressive strength of concrete and further affects the durability of structures.
To tackle such issues and build long-lasting structures in coastal regions, builders should opt for Portland Slag Cement, which is also popularly called PSC cement.

Why Choose PSC Cement?
For general construction work, builders mostly prefer using Ordinary Portland Cement (OPC). It is a mixture of pure cement clinker and gypsum and is best suited for rapid construction.
However, in coastal regions, where achieving structural strength and durability is a challenge, you need more than just OPC cement. What you need instead is a blended cement which gains strength in due course of time and increases the life span of your home amidst testing environmental conditions.
Portland Slag Cement is one such blended cement. It is manufactured by blending clinker and gypsum with granulated blast furnace slag.
Molten slag gets released as a by-product in the iron & steel making process. It is then cooled down with rapid quenching technique. The granulated slag is then dried and transformed into the fine grains of PSC cement using Controlled Particle Size Distribution (CPSD) and similar technologies.
But how does the presence of slag produce the best cement for coastal construction? Let’s find out.

High Compressive Strength
Blast furnace slag significantly boosts the strength and durability of cement. As per research, replacing around 40% of the clinker content with granulated blast furnace slag can yield a 19% increase in compressive strength.
Slag prevents the cement from setting too quickly. This gives workers ample time to place the cement properly and level it out before it turns too rigid. In large-scale construction, a slower setting time prevents the first layer of concrete from hardening before the next layer is applied. This property helps both the layers bond more effectively, thus yielding greater strength.
By using Portland Slag Cement for coastal construction, you can improve the ability of structures to endure heavy load and adverse natural conditions in the long run.
Resistance To Chlorides & Sulphates
The salty seawater in coastal regions increases the levels of chlorides and sulphates in the coastal air and marine soil. A good cement for house construction can help you protect concrete structures from harmful chemical attacks.
This is where PSC cement comes into play as the best cement for construction in coastal areas. When slag gets added to Ordinary Portland Cement, it blocks the minute voids or pores in the concrete.
As a result, the concrete becomes impermeable to the corrosive attacks of chlorides and sulphates. Portland Slag Cement can resist the destructive alkali-aggregate reaction within concrete, which can otherwise lead to weakening cracks.

Low Heat Of Hydration
Portland Slag Cement produces a low amount of heat during the hydration process. How does that help? This attribute minimises the rise of temperature within concrete and its consequent expansion. PSC cement is hence best for warding off cracks induced by prevailing weather conditions.
For all the above reasons, Portland Slag Cement stands out as the best cement for coastal construction. However, in recent times, multiple cement companies in India have switched to supplying Composite Cement for coastal construction.
Why this shift when PSC cement is clearly a good cement for house construction in coastal regions? Read on to understand.
Is Composite Cement The New Alternative To PSC?
Composite cement is also a sustainable, blended cement like PSC cement. As per guidelines, a minimum of 40-45% slag content is a must for a cement to qualify as a reliable Portland Slag Cement.
Composite Cement, on the other hand, combines a mix of both fly ash and slag, thereby reducing the concentration of slag within the cement.
The demand for slag is higher than ever because it offers durability while also lowering carbon emissions. This high demand has made slag more expensive and difficult to procure for a lot of cement manufacturers. Logistical constraints also hinder cement plants from easily obtaining slag. This is a major reason why many cement suppliers have shifted to the production of Composite Cement as opposed to PSC Cement.
Composite Cement is great at optimising structural strength. However, when it comes to handling coastal challenges, there is no better alternative to PSC Cement. Coastal regions call for robust chemical resistance, which is best possible when the slag content in cement is high.
So, if you wish to construct a home in a coastal region, do it the tension-free way. How? By choosing MP Birla Cement Unique Plus – a Portland Slag Cement that reigns over durable coastal construction, specially in eastern India.

What Makes Unique Plus Best For Coastal Construction?
MP Birla Cement Unique Plus is manufactured in our state-of-the-art Durgapur Cement Plant. This plant is located at close proximity to the Durgapur Steel Plant. The strategic location helps us procure molten slag with timely ease and manufacture PSC Cement that’s pure and rich in slag content. Once manufactured via CPSD technology, MP Birla Cement Unique Plus is supplied in fresh batches to the surrounding coastal regions.
Here are the reasons why you can trust MP Birla Cement Unique Plus for coastal construction:
- It conforms to IS 455:2015 standard and poses 40-45% slag content as directed by guidelines.
- Its ultra fine grains can be easily spread over large surfaces and promise improved workability.
- It has a low heat of hydration which makes it ideal for obtaining long-term strength in crackproof structures.
- It reduces permeability to chlorides and sulphates and thus prevents corrosion.
- It is packaged in moisture-proof and tamper-proof LPP bags and has a longer shelf life.
- Most importantly, it bears the 100+ years of credibility that the MP Birla Group brings.
To sum up, a superior Portland Slag Cement, like MP Birla Cement Unique Plus, is a must for durable and protected coastal construction – the kind that keeps you tension-free in the long run.
FAQs
Q.What do you need Portland Slag Cement for?
Portland Slag cement is mostly needed for coastal construction. High slag content helps it improve the long-term strength of structures and also offers better resistance to the chemical attacks of marine soil.
Q.Is MP Birla Cement Unique Plus a good cement for house construction?
Definitely. MP Birla Cement Unique Plus is produced with pure consistency using molten slag from the closely situated Durgapur Steel Plant. It offers high workability, durable strength and improved resistance to alkali-aggregate reaction – all factors which lead to reliable house construction.
Q.Which is the best PSC cement for coastal construction?
MP Birla Cement Unique Plus is among the best options for pure PSC Cement. It is made with CPSD technology, using molten slag that is obtained with timely ease from the Durgapur Steel Plant. It exhibits the most innovative features which modern home builders look for during coastal construction.




