Reply to thread

Message

<blockquote data-quote="bjfish11" data-source="post: 2753398" data-attributes="member: 562873">K guys, A little info on Birch.....Be careful there IS a difference between Birch plywood and baltic birch. More than likely, the 7 and 9 ply stuff some of you are talking about, is regular birch plywood. It is a veneer core ply, and is NOT what you want to use for building a sub box. This ply is much lighter than MDF, probably less than 50% of the weight per sheet.Baltic Birch, which is mor than likely the 11 and 13 ply stuff that you are talking about, is what you should be using. Its slightly heavier than the veneer core birch, but still noticably lighter than MDF.I dont have the exact numbers in front of&nbsp; me, but I called our distributor to get some prices and info on Baltic Birch compared to Trupan. Trupan is 80% the weight of MDF, but BB is only .09 lbs lighter per sq ft than Trupan. So over a full sheet you will notice almost a 3 lb difference between Trupan and BB.Id guess, a legit sheet of 13 ply BB is right around the 70 lb mark. The veneer core stuff, probably around 50.</blockquote>

[QUOTE="bjfish11, post: 2753398, member: 562873"] K guys, A little info on Birch..... Be careful there IS a difference between Birch plywood and baltic birch. More than likely, the 7 and 9 ply stuff some of you are talking about, is regular birch plywood. It is a veneer core ply, and is NOT what you want to use for building a sub box. This ply is much lighter than MDF, probably less than 50% of the weight per sheet. Baltic Birch, which is mor than likely the 11 and 13 ply stuff that you are talking about, is what you should be using. Its slightly heavier than the veneer core birch, but still noticably lighter than MDF. I dont have the exact numbers in front of me, but I called our distributor to get some prices and info on Baltic Birch compared to Trupan. Trupan is 80% the weight of MDF, but BB is only .09 lbs lighter per sq ft than Trupan. So over a full sheet you will notice almost a 3 lb difference between Trupan and BB. Id guess, a legit sheet of 13 ply BB is right around the 70 lb mark. The veneer core stuff, probably around 50. [/QUOTE]

Verification