Sorting Arrays. PHP has several functions that deal with sorting arrays, and this document exists to help sort it all out. The main differences are: Some sort based on the array keys, whereas others by the values: $array['key'] = 'value';
Can I install Roof-TopÂ® EPDM membrane directly over an existing roof? You can install Roof-TopÂ® EPDM membrane over an existing roof only if a new layer of 5/8â plywood, 5/8â OSB board, or polyisocyanurate board with a fiberglass backing is used as a barrier to protect the EPDM.
EPDM Closed Cell Sponge Rubber. EPDM (Ethylene Propylene Diene Monomer) closed cell sponge rubber material exhibits very good aging properties, compressibility, and shows an excellent resistance to ozone and oxidation, which explains its use in a variety of industrial and commercial applications.