{"id":2112,"date":"2021-06-12T17:48:10","date_gmt":"2021-06-12T21:48:10","guid":{"rendered":"https:\/\/water.phila.gov\/?page_id=2112"},"modified":"2026-09-16T15:02:34","modified_gmt":"2026-09-16T19:02:34","slug":"green-roof","status":"publish","type":"page","link":"https:\/\/water.phila.gov\/gsi\/tools\/green-roof\/","title":{"rendered":"Green Roofs"},"content":{"rendered":"\n<p class=\"has-md-font-size wp-block-paragraph\">A green roof is a roof fully or partially covered in plants and waterproof media that helps reduce the volume and velocity of stormwater runoff from roofs by temporarily storing stormwater, slowing excess stormwater release, and promoting evaporation.<\/p>\n\n\n\n<!--more-->\n\n\n<div class=\"wp-block-image col-12 col-sm-6\">\n<figure class=\"alignright size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/water.phila.gov\/wp-content\/uploads\/images\/green-roof-upenn-law.jpg\" alt=\"\" class=\"wp-image-3701\" style=\"width:600px;height:400px\"\/><figcaption class=\"wp-element-caption\">One of seven green roofs on the University of Pennsylvania Law School\u2019s Golkin Hall building<\/figcaption><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-buttons type-tags noicons is-horizontal is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-39697d9b wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-small\"><a class=\"wp-block-button__link has-black-background-color has-background wp-element-button\" href=\"https:\/\/www.pwdplanreview.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Private Development<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A green roof is a fully or partially vegetated roof. The system is composed of multiple layers, including waterproofing, a drainage layer, a planting media, and special plants. These systems can be installed on many types of roofs \u2014 from small slantings to large commercial flat structures. Two basic types of green roofs have been developed: extensive and intensive. An extensive green roof system is a thin, lighter-weight system predominantly planted with drought-tolerant succulent plants and grasses. An intensive green roof is a deeper, heavier system designed to sustain more complex landscapes. A green roof is effective in reducing the volume and velocity of stormwater runoff from roofs by temporarily storing stormwater, slowing excess stormwater release into the combined sewer system, and promoting evapotranspiration.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity clear\"\/>\n\n\n\n<figure class=\"wp-block-image size-large is-style-frame\"><a href=\"https:\/\/water.phila.gov\/wp-content\/uploads\/images\/green-roof-diagram.png\"><img decoding=\"async\" src=\"https:\/\/water.phila.gov\/wp-content\/uploads\/images\/green-roof-diagram.png?w=1200\" alt=\"\"\/><\/a><figcaption class=\"wp-element-caption\">Diagram of a green roof<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A green roof is a roof fully or partially covered in plants and waterproof media that helps reduce the volume and velocity of stormwater runoff from roofs by temporarily storing stormwater, slowing excess stormwater release, and promoting evaporation.<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":2104,"menu_order":40,"comment_status":"closed","ping_status":"closed","template":"","meta":{"custom_css":".type-tags .wp-block-button { display: inline-block; font-size: .85em; text-transform: lowercase; font-variant: small-caps; }\r\n.type-tags .has-purple-background-color { background: #B93F8E !important; }\r\n.type-tags .has-green-background-color { background: #3a833c !important; }\r\n.type-tags .has-black-background-color { background: #0d1a2e !important; background: #05b4e6 !important; }","dp_submitted":"0","dp_notify":"0","dp_created":"","custom_js":"var utility = document.getElementById(\"menu-item-2213\");\r\nutility.classList.add(\"current-menu-ancestor\");\r\nvar sw = document.getElementById(\"menu-item-2511\");\r\nsw.classList.add(\"current-menu-ancestor\");","pwd_rlv_phrase_match":"green roofs | green roof | a green roof is a roof fully or partially covered in plants and waterproof media that helps reduce the volume and velocity of stormwater runoff from roofs by temporarily storing stormwater slowing excess stormwater release and promoting evaporation | one of seven green roofs on the university of pennsylvania law schools golkin hall building | private development | a green roof is a fully or partially vegetated roof the system is composed of multiple layers including waterproofing a drainage layer a planting media and special plants these systems can be installed on many types of roofs from small slantings to large commercial flat structures two basic types of green roofs have been developed extensive and intensive an extensive green roof system is a thin lighter weight system predominantly planted with drought tolerant succulent plants and grasses an intensive green roof is a deeper heavier system designed to sustain more complex landscapes a green roof is effective in reducing the volume and velocity of stormwater runoff from roofs by temporarily storing stormwater slowing excess stormwater release into the combined sewer system and promoting evapotranspiration | diagram of a green roof","pwd_rlv_wordcount":"185","noindex":"","page_language":""},"section":[],"class_list":["post-2112","page","type-page","status-publish","hentry","wpautop"],"acf":[],"parsely":{"version":"1.1.0","canonical_url":"https:\/\/phila.gov\/gsi\/tools\/green-roof\/","meta":{"@context":"https:\/\/schema.org","@type":"WebPage","headline":"Green Roofs","url":"http:\/\/water.phila.gov\/gsi\/tools\/green-roof\/","mainEntityOfPage":{"@type":"WebPage","@id":"http:\/\/water.phila.gov\/gsi\/tools\/green-roof\/"},"thumbnailUrl":"","image":{"@type":"ImageObject","url":""},"articleSection":"Uncategorized","author":[{"@type":"Person","name":"Lauren Sell"}],"creator":["Lauren Sell"],"publisher":{"@type":"Organization","name":"Green Stormwater Infrastructure","logo":""},"keywords":[],"dateCreated":"2021-06-12T21:48:10Z","datePublished":"2021-06-12T21:48:10Z","dateModified":"2026-09-16T19:02:34Z"},"rendered":"<script type=\"application\/ld+json\" class=\"wp-parsely-metadata\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"WebPage\",\"headline\":\"Green Roofs\",\"url\":\"http:\\\/\\\/water.phila.gov\\\/gsi\\\/tools\\\/green-roof\\\/\",\"mainEntityOfPage\":{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/water.phila.gov\\\/gsi\\\/tools\\\/green-roof\\\/\"},\"thumbnailUrl\":\"\",\"image\":{\"@type\":\"ImageObject\",\"url\":\"\"},\"articleSection\":\"Uncategorized\",\"author\":[{\"@type\":\"Person\",\"name\":\"Lauren Sell\"}],\"creator\":[\"Lauren Sell\"],\"publisher\":{\"@type\":\"Organization\",\"name\":\"Green Stormwater Infrastructure\",\"logo\":\"\"},\"keywords\":[],\"dateCreated\":\"2021-06-12T21:48:10Z\",\"datePublished\":\"2021-06-12T21:48:10Z\",\"dateModified\":\"2026-09-16T19:02:34Z\"}<\/script>","tracker_url":"https:\/\/cdn.parsely.com\/keys\/phila.gov\/p.js"},"_links":{"self":[{"href":"https:\/\/water.phila.gov\/gsi\/wp-json\/wp\/v2\/pages\/2112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/water.phila.gov\/gsi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/water.phila.gov\/gsi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/water.phila.gov\/gsi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/water.phila.gov\/gsi\/wp-json\/wp\/v2\/comments?post=2112"}],"version-history":[{"count":1,"href":"https:\/\/water.phila.gov\/gsi\/wp-json\/wp\/v2\/pages\/2112\/revisions"}],"predecessor-version":[{"id":3017,"href":"https:\/\/water.phila.gov\/gsi\/wp-json\/wp\/v2\/pages\/2112\/revisions\/3017"}],"up":[{"embeddable":true,"href":"https:\/\/water.phila.gov\/gsi\/wp-json\/wp\/v2\/pages\/2104"}],"wp:attachment":[{"href":"https:\/\/water.phila.gov\/gsi\/wp-json\/wp\/v2\/media?parent=2112"}],"wp:term":[{"taxonomy":"section","embeddable":true,"href":"https:\/\/water.phila.gov\/gsi\/wp-json\/wp\/v2\/section?post=2112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}