Cologne Sanskrit project. Hindi-English. This is VERSION 4.2 of a hypertext Sanskrit dictionary English-Sanskrit and Sanskrit-English for spoken Sanskrit. Which means that it is designed to contain the mostly used common words necessary for daily communication.
Spray Foam is categorized into two types, open-cell or closed-cell. Open cell is lightweight foam that is flexible, and an excellent air barrier. Open cell foams most commonly range from .5 lb to .7lb densities. Closed cell foam is higher density foam, and a moisture barrier.
Open Cell Insulation Facts. 1  Open Cell Spray Polyurethane Foam Insulation cell structure is open and usually weights .5 lbs per cu. ft. and has an aged R-value of up to R-3.81per inch. Open Cell foam ideal applications are walls which have cavities that have 3.5 of available space.