Plexiglass vs laminated glass

I need to reolace the glass in my NH 912 speedrower and thinking about going with the plexiglass from homedepot it is cheaper and it is hard to find a glass shop around here that will help me with the laminated glass. The plexiglass has a 10 yr warranty against yellowing will this work for what i need or do I need to keep looking for some real glass? Thanks
 
the extra cost for glass is worth it, as mentioned before, it'll scratch till ya can't see through it.
 
As long as the glass is flat, laminated glass can be cut to fit just like regular glass.

Same for tempered glass, if it is flat it can be cut and tempered.

Are you working with a glass company or a hardware store? That should not be a difficult request for a glass company. Even if they can't supply it, they should be able to order it with good measurements. Maybe make some calls before deciding to go with Plexiglass.

Plexiglass is very prone to cracking, and will scratch and craze.

They should also have polycarbonate(Lexan). It will still scratch and craze, and distort the view, but is unbreakable.
 
waste of time , you will wipe the dust off and scratches will appear. Just not suitable for the use. If you could take the water hose to it and never touch it with a rag you might get buy but surly not anywhere as good as glass.
 
After blowing out a door and in another instance a rear window, total cost about $1k, I installed shields on my mower. If that doesn't do the trick and I loose another one, it will be as you say from HD or Lowes; both stock panels. You can www the method to bend it around a curve like is on my rear window. They make polishes to clean it when it gets scratched.....besides when your tractor is dirty it's hard to see out of the cab anyway so what's a few scratches.
 
I built a cab for snow plowing purposes. I used lexan on the sides and laminated front and back. Has some small scratch and dirt damage from tires throwing mud, but still can see out very well. Working in about 8-9 years now kept inside other than when in use.
 
You want laminated glass. Any decent glass shop can cut it to your size. They take a straight edge and score it. Flip the glass and score the other side. Move it to the table edge and gently push down on the hangover piece of glass. You will hear a little crack. Now the glass is cut. You can use an xacto knife to cut the laminet or use 5he alcohal method. Pour a little 92% alcohol on the cut and light with a match. Let it burn for a few seconds and then put some tension On it. The plastic gets warm and tears. Neat to watch how.
cut. laminated glass
 
Plexiglass might be too brittle and shatter. For a windshield I would want glass for the best visibility.

If the mower can throw high speed projectiles into the windows, consider poly-carbonate (GE Lexan). It cuts with standard wood working tools and can be welded into shapes with a special glue. I think poly-carbonate is what Deere used for the rear and side windows on their Sound-Gard tractor cabs to absorb sound better than glass. Check how well those have held up after 45 years.
 
Polycarbonate/lexan will scratch easier than acrylic/plexiglass, and the scratches can't be polished like plexiglass can. It is not as clear and will yellow before plexiglass too.

The biggest benefit of polycarbonate is its impact and shatter resistance, it's almost impossible to break.
 
I had a '79 4230 with the soundguard cab. If it had plastic windows/doors it's news to me. Not saying it didn't. Just saying the quality and "feel" was such that I wasn't able to notice that they were weren't glass.....if they weren't.
 

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