Henry. As the chill of winter sets in, roofing contractors can reach for a new layer of protection on the job. Blueskin Roof Low Temp Roofing Underlayment offers many of the popular features found in the maker’s Blueskin ice and water barrier, plus a special low-temperature adhesive waterproof compound. Designed to be applied at temperatures as low as 14°F and still maintain a water-tight seal. 800.486.1278. www.henry.com.