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.
As a result of this shedding the tell-tale signs of EPDM rubber roofs are the gray or white streaks you see on the sides of the RV. TPO RV rubber roof: TPO rubber roofing has a glossy look and does not oxidize or shed, so there are no gray or white streaks noticeable on the sides of your RV.