Discover the optimal waterproofing method for your project. Explore sealants, membranes, and more to ensure effective protection against water damage. Make the right choice for long-lasting safeguarding.

1. Which Waterproofing Method Should
You Opt For?

2. Introduction
The concept of waterproofing helps prevent the ingestion of water into the surface or walls.
Waterproofing has been changing constantly with the improvement in architectural designs and the
availability of materials used during construction. It has become a common necessity these days to
keep your house dry, from roof to basement. Keeping the walls dry also helps prevent insect
infestations, mold, and building failures. Waterproofing can reduce wear and tear and increase the
life span of a building too. It's highly essential to waterproof your house before the monsoon season,
as one might tend to face issues like seepage of water into a house.
A bituminous coating provides a flexible coat, protecting the surface against water. Bituminous
coating is also referred to as asphalt coating. These coatings are mostly used on concrete surfaces and
are made from petroleum-based products. It is not suitable to expose it to sunlight, as it will become
brittle and fragile. Bitumen coating is good against sunlight when mixed with acrylic-based polymers.
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3. Bituminous Membrane
Like bituminous coating, the bituminous membrane is another
popular waterproofing method used in low-sloped roofs.
Bituminous membranes consist of asphalt, polymers, resins,
and oils, which improve their adhesive characteristics. A
protective screed is applied to the membrane to prevent it
from being damaged. The only downside to using the
bituminous membrane is its low life span and reduced bonding
properties over time.
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4. Polyurethane Liquid Membrane
Polyurethane liquid membrane is extremely popular when
waterproofing the roof area of a house. The roof comes into
direct contact with the weathering and is prone to wear and
tear. Polyurethane membrane is expensive, and the process of
applying it is tedious. This membrane offers high flexibility and
is quite sensitive to the moisture present on the surface. One
has to evaluate the moisture content on the surface before
applying this to prevent peeling or de-bonding of the
membranes from the surface.
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5. Liquid Membrane
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Liquid membrane is a thin coating that usually consists
of a primer coat and two top coats, which are applied
across the surface and rolled on. This liquid membrane
cures into a highly flexible rubbery coating with
elongation properties. Liquid waterproofing material is
extremely durable and can be combined with other
materials, like modified asphalt.

6. Cementitious Waterproofing
Cementitious waterproofing is the most popular kind
and is used in interiors that are prone to water,
especially places like toilets. Cementitious
waterproofing is partially flexible and partially rigid.
The rigidity does act as a disadvantage as this
coating is not exposed to sunlight, and it wouldn't
be prone to constant expansion or contraction.
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7. Metallic Sheet Wrapping
Thin foils of copper and aluminum are used for wrapping around concrete surfaces to prevent
leaking problems. These metallic sheets are being sold with improved adhesives to prevent them
from falling off surfaces.
With monsoons around the corner, maybe it’s time you considered getting some roof
waterproofing to protect your house. With several materials to choose from, it eventually comes
down to your needs when choosing the one for you.
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