{"product_id":"bostik-sl-gyp-hybrid-gypsum-self-leveling-underlayment-50-lb","title":"Bostik – SL-Gyp – Hybrid Gypsum Self-Leveling Underlayment – 50 lb","description":"\u003cp\u003eBostik SL-Gyp is a premium, hybrid gypsum\/cement-based, self-leveling underlayment that can be installed from 1\/4\" up to 2\" thickness without extension. Designed for use over distressed gypsum subfloors, lightweight concrete, mud beds, structurally sound wood, and adhesive residue.\u003c\/p\u003e\u003cp\u003eSL-Gyp is ideal for use on radiant or in-floor heating systems and suited for low-prep applications where shot-blasting and mechanical cleaning of substrates cannot be performed.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInstall from 1\/4\" to 2\" neat (no extension needed)\u003c\/li\u003e\n\u003cli\u003eWalkable in 3–4 hours\u003c\/li\u003e\n\u003cli\u003eInstall floor covering in 2 days\u003c\/li\u003e\n\u003cli\u003eExceptional compressive strength: 5,000 psi\u003c\/li\u003e\n\u003cli\u003eCompatible with radiant\/in-floor heating systems\u003c\/li\u003e\n\u003cli\u003e50 lb bag\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bostik","offers":[{"title":"Default Title","offer_id":48812547375258,"sku":"K102125","price":115.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0536\/8771\/3946\/files\/unnamed_2bb36e6b-c001-4897-89fa-a0169c950f74.jpg?v=1784924726","url":"https:\/\/bestflooringhonolulu.com\/products\/bostik-sl-gyp-hybrid-gypsum-self-leveling-underlayment-50-lb","provider":"Best Flooring Honolulu","version":"1.0","type":"link"}