Do you have a customer questioning the construction of a home?

I do.  I thought the link below might be helpful.  I currently have a buyers questioning whether a home is built with partical board, OSB or plywood.  Plywood is the best with partical board being the worst.  They are concerned with carcinogens being released through the wood and moisture.

Here is the link:

http://www.bobvila.com/BBS/Particle_board_vs_Plywood-Roofing_and_Siding-1-F1921.html