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.
If you have not applied EPDM Liquid RubberÂ® before, we recommend you apply this in several pre-measured sections. For the first section, apply 1 gallon, over a 40 sq.ft. section. By applying 1 gallon over this 40 sq.ft. area, you will form a 20-mil dft. thickness when cured. The key is to spread the product evenly.