{"product_id":"mapei-mapeguard-um-uncoupling-and-waterproofing-membrane","title":"Mapei Mapeguard UM Uncoupling and Waterproofing Membrane","description":"\u003cp\u003eMapeguard UM is a lightweight uncoupling membrane that isolates cracks, waterproofs and equalizes vapor pressure under ceramic tile and stone. Its cavity design lets you fill the core in a single pass with less mortar.\u003c\/p\u003e\n\u003ch3\u003eBest for\u003c\/h3\u003e\n\u003cp\u003eTile over young concrete, single-layer plywood subfloors and other challenging substrates in residential and commercial jobs.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrevents transmission of in-plane substrate cracks up to 1\/8 in. (3 mm)\u003c\/li\u003e\n\u003cli\u003eWaterproofing and vapor management, rated up to 25 lb MVER at 100% RH\u003c\/li\u003e\n\u003cli\u003eApproved for young concrete, so tile can go down right after the membrane is embedded\u003c\/li\u003e\n\u003cli\u003eApproved for radiant heating applications\u003c\/li\u003e\n\u003cli\u003eLight green, translucent color shows mortar coverage\u003c\/li\u003e\n\u003cli\u003eTri-layer construction resists roll memory and stays flat\u003c\/li\u003e\n\u003cli\u003eCuts with a utility knife, and chalk and laser lines stay visible on the surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoll width: 39-3\/8 in. (1 m)\u003c\/li\u003e\n\u003cli\u003e54 sq ft roll: about 16 ft 5 in. long (5 m)\u003c\/li\u003e\n\u003cli\u003e323 sq ft roll: about 98 ft 4 in. long (30 m)\u003c\/li\u003e\n\u003cli\u003eUse over single-layer 3\/4 in. plywood with joists up to 19.2 in. on center\u003c\/li\u003e\n\u003cli\u003eMosaics 2 in. x 2 in. or larger are approved\u003c\/li\u003e\n\u003cli\u003eSet tile with a polymer-modified mortar\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne roll of Mapeguard UM in the size you choose\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mapei","offers":[{"title":"54 sq ft Roll","offer_id":67728886825037,"sku":"MAP2850905","price":91.71,"currency_code":"USD","in_stock":true},{"title":"323 sq ft Roll","offer_id":67728886857805,"sku":"MAP2850930","price":397.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2196\/9483\/files\/4_1_3000126-mapeguard-um-1mx30m_5c171511a97c441d84abca0261febd6e.png?v=1792414659","url":"https:\/\/www.floortoolstore.com\/products\/mapei-mapeguard-um-uncoupling-and-waterproofing-membrane","provider":"Floor Tool Store","version":"1.0","type":"link"}