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cooper · 13-12-2007, 05:56

I will let you know the real world results...!! I have one set of 6 mm , 10 mm acrylic, and 6 mm poly windows all on the same boat all now 6 years old. The poly is double sided uv resistant. My second boat has 10 mm acrylic (the minimum i would except as storm thickness in acrylic) and 6 mm poly (double sided uv resitant) now 3 years old... Tempered glass is a great option for those people who have the ability or need to pay for some one else to do it for them. I am a home builder and proud of it. You would have a very hard time telling me that the majority of production boats have tempered glass. I dont deal in brought in "marine" products, i deal in the materials that i deal with from day to day. If acrylic is "better" why is the sheet of choice for the roofing industriy now polyc. ? The anwser is simple ...inhearent strength and flex....glass is very expensive , has wonderfull resistance to scratching , is very strong, but cant take point shock loads, and cant be cut or shaped by an average boat builder. Acrylic has very poor bending ability, is better at scratch reistance, is very suseptable to uv (there is some uv treated but expensive sheet) and can be shaped by the average boat builder. Poly has incredible bending and deformation abilitys (thats why it is used as bullet proof clears) has poor scratch ability and Double uv has excelant uv ability. And can be shaped by the average boat builder. I find a lot of conversations about boats two edged... from my point of view it is important to spell out whether we are talking about an expensive bought off the shelf ., go to your local retail boat supplier, or are we talking about somthing that is possible for the "practicle boat owner". Are you in the "business" midlandone ?

13-12-2007, 05:56	#11
cooper Registered User Join Date: Nov 2006 Posts: 970	I will let you know the real world results...!! I have one set of 6 mm , 10 mm acrylic, and 6 mm poly windows all on the same boat all now 6 years old. The poly is double sided uv resistant. My second boat has 10 mm acrylic (the minimum i would except as storm thickness in acrylic) and 6 mm poly (double sided uv resitant) now 3 years old... Tempered glass is a great option for those people who have the ability or need to pay for some one else to do it for them. I am a home builder and proud of it. You would have a very hard time telling me that the majority of production boats have tempered glass. I dont deal in brought in "marine" products, i deal in the materials that i deal with from day to day. If acrylic is "better" why is the sheet of choice for the roofing industriy now polyc. ? The anwser is simple ...inhearent strength and flex....glass is very expensive , has wonderfull resistance to scratching , is very strong, but cant take point shock loads, and cant be cut or shaped by an average boat builder. Acrylic has very poor bending ability, is better at scratch reistance, is very suseptable to uv (there is some uv treated but expensive sheet) and can be shaped by the average boat builder. Poly has incredible bending and deformation abilitys (thats why it is used as bullet proof clears) has poor scratch ability and Double uv has excelant uv ability. And can be shaped by the average boat builder. I find a lot of conversations about boats two edged... from my point of view it is important to spell out whether we are talking about an expensive bought off the shelf ., go to your local retail boat supplier, or are we talking about somthing that is possible for the "practicle boat owner". Are you in the "business" midlandone ?