Roof Penetration Housing (RPH) is a dynamic, rapidly expanding leader in the commercial building products industry, trusted by architects, engineers, contractors, and building owners on a wide range of critical projects, from hospitals and data centers to K-12 schools. Hands on exposure to commercial roofing, waterproofing, building envelope, wall systems, or related building products, from any angle: writing, engineering, estimating, field installation, quality, or product management.