Our Writers Return to All Pamela Howat Pamela Howat, Senior Technical Advisor at Proctor Group, is an expert in roofing underlays and membranes and their applications. With more than two decades of experience, Pamela’s knowledge encompasses how the material, composition and manufacture of roofing membranes shapes their suitability for specific projects and applications, including Passivhaus. Connect Featured in Don’t Mix and Match: Why Not all Membranes are the Same 120 September-October 2025: Apr 2025 How Easy to Install are Pitched Roof Underlays? 122 January-February 2026: Apr 2025 Load more