Roof ballast block

Details Roof ballast block Roof ballast block

B - Operations, Transporting

32

B

72/45

B32B 3/14 (2006.01) E04D 11/00 (2006.01) E04D 11/02 (2006.01)

Patent

CA 1228745

Abstract of the Disclosure A roof ballast block having generally rectangular top and bottom faces and two parallel edges bevelled at substantially identical angles of 12° to 23° from the vertical, the remaining two edges being substantially vertical, the block having a plural- ity of parallel spaced channels in its bottom face. The block may be characterized by a density of 85 to 155 pounds per cubic foot, a compressive strength of at least 2500 psi, a flexure strength of at least 300 psi, and a capability of undergoing at least 100 freeze-thaw cycles without cracking.

460065

Affiliated with

Also associated with

Rating

Roof ballast block does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Roof ballast block, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Roof ballast block will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1212131