[keroo1099]

Originally Posted by girishv

Do any of you know what this sheet is called? It looks like sandwiched sheets with a square pattern

LEXAN multiwall polycarbonate sheet.

[Amrik Singh]

Originally Posted by girishv

Hi,

Today I saw this sheet at some apartment which seems to solve my problem.

Do any of you know what this sheet is called? It looks like sandwiched sheets with a square pattern.

Attachment 2253207

- Girish

It is Polycarbonate Sheet. Very strong, durable and long lasting. Comes in various sizes and colour. The type you are showing is specially if you need some thermal and acoustic insulation, otherwise it is single layered with diamond cut pattern to prevent it being see through.
Remember the plastic water bottles we discard daily. We cannot break them. It is the same material.

What you are showing is this





What I would suggest is this .(colour is your option)

[girishv]

Originally Posted by Amrik Singh

What you are showing is this

Attachment 2253281

What I would suggest is this .(colour is your option)

Attachment 2253280

Thank you very much. Since my requirement is only as a cover to prevent rain water, I will check out the latter.

Thank you again, highly appreciated.

- Girish

[JithinR]

Originally Posted by deep_bang

However, if you would rather have a uniform color then painting is the way out.

I guess you meant terracota jali-type bricks which have openings in them right? I have used the same in my house and can show you some examples if it helps.

We never thought of painting it. The contractor advised it (probably to keep it uniform like you have mentioned).

If it's not too much trouble please post some pics. Also, how long ago was yours done and have you noticed any issues?

Thanks for the help.

[deep_bang]

Originally Posted by JithinR

We never thought of painting it. The contractor advised it (probably to keep it uniform like you have mentioned).

If it's not too much trouble please post some pics. Also, how long ago was yours done and have you noticed any issues?

Thanks for the help.

The jali type bricks are used for my balcony area as you can see here. It's been painted, and it's been 10 years now.

[One]

Originally Posted by girishv

Thank you very much. Since my requirement is only as a cover to prevent rain water, I will check out the latter.

Thank you again, highly appreciated.

- Girish

One thing you may want to check before installation is if noise is made because of rain drops pattering on them.

[One]

Originally Posted by JithinR

Wanted to check if there is anyway to reduce maintenance expense on these terrocota bricks (do they actually require early painting/polishing to maintain their look)?

Had used terracotta tiles internally and got them painted. They lasted till boredom.

Externally not sure about quality of terracotta you have access to, if it is glazed or not but bricks (clay) the way you have indicated in the picture is used across the country in different environments. You may want to Google "Laurie Baker houses" to see how they weather and contact "Costford" to know more about the quality of bricks you can get access to.

Another option to get that look is to go for brick cladding tiles. These are applied on top of the structure you build and have the same look even though the material might be stone etc.

[Amrik Singh]

Originally Posted by girishv

Thank you very much. Since my requirement is only as a cover to prevent rain water, I will check out the latter.

Thank you again, highly appreciated.

- Girish

The sheet comes in rolls of standard width of 3,4 and 6 Feet. Length is cut to your requirement by the vendor. Get the sheet cut to your requirements or you may need an Angle Grinder with Cutter Blade to cut it yourself. It is normally fixed with Hex Head - Self Drilling Self Threaded Screws with Rubber Washers and suitable Drill Machine.

[saisree]

Originally Posted by girishv

Do any of you know what this sheet is called? It looks like sandwiched sheets with a square pattern.
- Girish

This is polycarbonate sheet and is largely used for roofing. They come in various colors and thickness. They come with a 10 year warranty and are UV proof. Light weight and are easy to maintain and change in the future. Doesn't require a heavy structures to fix them.

Originally Posted by JithinR

Need some advice from experienced members here. We need to redo the flooring on our front porch (veranda) since the granite there has displaced due to direct sunlight and consequent heat.

See if you can get wooden claddings that are Sun and Rain Proof. Fundermax and Archid Ply have these and I have used the archidply variant for my home.

[poloman]

Originally Posted by girishv

Hi,


Today I saw this sheet at some apartment which seems to solve my problem.

Do any of you know what this sheet is called? It looks like sandwiched sheets with a square pattern.

Attachment 2253207

- Girish

The sandwiched Lexan sheets are extremely poor when it comes to durability. We have these sheets extensively used in our apartment as skylight. In a matter of 5 years the sheets developed extensive damages from hail stones and temperature variations. These are visible in the pictures you have posted. Once it cracks it is difficult to fix the leaks and water will get collected inside due to the sandwiched texture. Better to go for single layer thicker polycarbonate sheets.

[Amrik Singh]

Possibly because the sheet thickness is quite low. I have installed 3mm thick sheet and it withstood a granite wall cladding stone fall from good height, with relatively low damage

[poloman]

Originally Posted by Amrik Singh

Possibly because the sheet thickness is quite low. I have installed 3mm thick sheet and it withstood a granite wall cladding stone fall from good height, with relatively low damage

Possibly, but water getting collected between two layers is still a concern. We are witnessing huge leaks. Acoustic charactristics during rain is only marginally higher than single sheet.
May be >3mm and better material.quality will help.

[girishv]

Originally Posted by poloman

Possibly, but water getting collected between two layers is still a concern. We are witnessing huge leaks. Acoustic charactristics during rain is only marginally higher than single sheet.
May be >3mm and better material.quality will help.

I too saw this. When I pressed the sheet, lot of water poured out.

Since the usage is not critical, but only limited to top of the extended grill outside, 5 years should be alright.

Will check out the thick sheet also as you suggested. But won't it be a problem if I want to bend it.

[keroo1099]

Originally Posted by poloman

Possibly, but water getting collected between two layers is still a concern. We are witnessing huge leaks. Acoustic charactristics during rain is only marginally higher than single sheet.
May be >3mm and better material.quality will help.

I thought I had posted a reply, but I guess forgot to hit enter. Duh

LEXAN is a generic name that every T, D and H uses for polycarbonate sheets in India. The original product was by GE plastics and is used the world over without major issues, as it is UV stabilized which prevents yellowing and cracking that allows, water to pond and drip.

I concur that acoustic properties are very poor and really won't improve much using thicker material.

[Amrik Singh]

Originally Posted by keroo1099

I thought I had posted a reply, but I guess forgot to hit enter. Duh

LEXAN is a generic name that every T, D and H uses for polycarbonate sheets in India. The original product was by GE plastics and is used the world over without major issues, as it is UV stabilized which prevents yellowing and cracking that allows, water to pond and drip.

I concur that acoustic properties are very poor and really won't improve much using thicker material.

I am sorry that I did not crop Lexan off. As I am visiting US, my search picked up US product