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Ask ten homeowners how they found their roofer and you'll get ten different answers. Ask how they chose the material and most will shrug. That's a problem, because a roof is one of the few parts of a house you can't easily redo.

Shingles are catching on across India, and the search terms tell the story. People type in roofing shingles dealers, roofing shingles suppliers in India and even best roofing shingles India, hoping for a clear answer. What they usually find is a wall of product pages.

This guide tries to do better. It covers what to look for in the material, how dealers, suppliers and installers differ, and the mistakes worth avoiding. Product facts come from CertainTeed India's published specifications, and the guide flags the points you'll need to check for yourself.

What are asphalt roofing shingles, and why are Indian homeowners choosing them?

Asphalt roofing shingles are a composite material. A fibreglass mesh forms the core, mineral-stabilised asphalt coats it, and ceramic-coated granules sit on top. The granules give the roof its colour and shield what's underneath.

The usual pattern is laminated. Two layers bond together, so each piece is thicker and the finished roof gets depth and shadow lines. According to CertainTeed India, a shingle measures 335 mm by 1000 mm, with 145 mm exposed once it's laid, and a self-adhesive strip helps each row stick to the one below.

They've long been the most common roofing material in North America, and the manufacturer says they're now widely preferred across India as well. Treat that as the company's own view. Still, its gallery shows finished homes in Bangalore, Kolhapur, Udupi, Thrissur, Mangalore and Faridabad, so they're clearly going up in more than one region.

One hard limit applies. Shingles are for sloped roofs. The maker says they suit RCC slabs, wood and fibre cement board, at slopes from 15 to 90 degrees. A flat terrace doesn't qualify.

What decides the best roofing shingles India has to offer?

There isn't one winner. The best roofing shingles India has to offer for a bungalow in Bangalore might not suit a hillside cottage or a house near the coast. What you can do is judge any product against evidence, not adjectives.

Start with tests. CertainTeed India lists a Class A fire rating under ASTM E108, which is the top category in that test. It also quotes a wind rating of 100 km/hr under ASTM D3161 and compliance with ASTM D3462 for tear resistance, with a 1,700 g minimum. It says its shingles are certified by Underwriters Laboratories Inc. Those figures make a handy benchmark. If any other maker can't produce test reports for its claims, that deserves a follow-up question.

Then think about climate. Monsoon rain, strong sun and humidity all work on a roof, and algae likes damp surfaces. The manufacturer lists algae resistance and zero water absorption among its advantages. Good signs, though fitting quality still decides how a roof performs.

Next comes the warranty. The maker states 25 years, limited. That word matters. It means conditions and exclusions apply, so ask for the full document before you order.

Last, the look. The range includes Landmark AR, Landmark Pro, XT 25, Carriage House, Grand Manor and Presidential Shake, plus Symphony Slate and Landmark Solaris as special products. Ask for physical samples and view them outdoors, next to your wall colour, in morning and late afternoon light.

One more thing. If a page tells you a single brand is right for everyone, be wary. Ask which tests, which climate and which kind of roof they're talking about.

Dealer, supplier or installer: who does what?

People search for roofing shingles dealers and roofing shingles suppliers in India as though they're the same thing. They're often different businesses with different jobs.

In smaller towns, one business may act as dealer and installer both. That's fine, as long as you know which hat they're wearing when they make a promise about the warranty.

How do you find reliable roofing shingles dealers?

Begin with the manufacturer. It's worth asking which roofing shingles dealers and installers it works with near you. CertainTeed India lists a Bangalore address and a 24 x 7 contact number, so there's a real person to ask.

Then judge the dealer in conversation. A good one asks about your roof before quoting: the slope, the deck material, the area. If someone names a price over the phone in thirty seconds, they haven't thought about your roof.

Ask for the quote in writing, with the shingle line, the deck preparation, the flashing, the starter course and the ridge pieces listed separately. Ask to see a finished roof, ideally one that's been through a few monsoons. And ask who deals with the warranty paperwork if something goes wrong later.

If you live outside a major city, ask about delivery too, and where the nearest trained installer is based. Distance affects how quickly a problem gets sorted.

What should you check when comparing roofing shingles suppliers in India?

Once you've got a couple of names, compare them on the same points. The search for roofing shingles suppliers in India turns up plenty of options, and a fixed checklist keeps the comparison fair.

1. Documentation. Ask for test reports and a product datasheet, not just a brochure.


2. Batch consistency. Colour can vary slightly between production batches, so order the full quantity at once, with a little extra.


3. Accessories. The installation method calls for a starter course, flashing membrane, ridge pieces and corrosion-resistant fixings. Check they're in the quote.


4. Lead time and delivery. Ask when material can arrive and how it'll be stored on site until fitting.


5. Warranty paperwork. Who registers it, and what does it need from you?


6. Support. When your installer has a technical question, can the supplier answer it?

Suppliers who welcome these questions are usually the ones worth keeping. Those who dodge them are telling you something.

Which mistakes cost homeowners the most?

Choosing on price alone is the classic slip. Two quotes that differ widely often differ in scope, not just in rate, so line them up item by item before you decide.

Skipping deck preparation comes a close second. On concrete, the maker's procedure calls for a cement screed at least 1 inch thick, finished smooth and bone dry, followed by a bituminous primer. On wood or fibre cement, the deck should be at least 16 mm thick and shouldn't warp when wet, with the joints between boards sealed using self-adhesive membrane.

Then there's the installer who has never fitted shingles. Roofing skills don't transfer perfectly from one material to another. Valleys and wall junctions, for instance, need flashing membrane one foot wide under the maker's method, and it's exactly the sort of detail that gets missed.

Finally, forgetting about the roof once it's finished. Even a low-effort roof deserves ten minutes after each monsoon: clear leaves from valleys and gutters, and look for lifted or damaged pieces.

Quick answers before you buy

Can asphalt roofing shingles go on a flat roof?

No. Asphalt roofing shingles are made for sloped roofs, and the maker specifies slopes from 15 to 90 degrees. A flat terrace would need a pitched structure built over it first. That's a separate job, and it needs a structural engineer's opinion.

How long is the warranty?

CertainTeed India states a 25-year limited warranty. Limited means conditions apply, so read the full terms before ordering.

Do shingles need much maintenance?

The manufacturer lists zero maintenance among the advantages. A quick look after each monsoon is still sensible for any roof, since small problems are cheap to fix early.

Where can I see finished projects?

The gallery on the Saint-Gobain roofing shingles website shows homes in Bangalore, Kolhapur, Udupi, Thrissur, Mangalore and other places. Ask any dealer for nearby examples too.

Where to start

If you'd like to talk to the manufacturer, CertainTeed India is at Saint-Gobain Grindwell Norton Limited, Devanahalli Road, via Old Madras Road, Bangalore 560 049. The phone number is 080 4697 8623, and the 24 x 7 line is 9880171107. You can also send your details through the Get in Touch form on the website. Have your roof plan or a few photos ready, and the first conversation will go much faster.