AWMS: Harmer Two-Way Roof Outlets from Alumasc – Drainage Solutions for Parapet Walls Nov 11, 2025 | Articles, Building Industry News, Building Products & Structures, Building Services, Drainage, Drainage Services, Drainage, Guttering, Soffits & Fascias, Facades, Facility Management & Building Services, Pipes, Pipes & Fittings, Plumbing, Posts, Restoration & Refurbishment, Retrofit & Renovation, Roofs, Walls As part of Harmer’s Detail Range from Alumasc (AWMS), Two-Way Roof Outlets provide a high-performance solution for effective rainwater discharge. Read More