Created with Eselt - eBay Listing Template Editor eBay.co.uk Give us a call Send us a message Created with Eselt - eBay Listing Template Editor - Our Store - Seller Profile - Feedback - About us - Contact Created with Eselt - eBay Listing Template Editor CROMAR Hydrosil Seam Sealer Detailer Silicone Liquid Roof Coating Grey 7.5Ltr DESCRIPTION: Cromar Hydrosil is a professional grade 100% Silicone roof coating used to coat exuisting roof substrates. Hydrosil has been specifically formulated to deliver direct bond adhesion as a restoration and maintenance coating. This product is a high performance, high solids, single component, moisture cure liquid applied silicone coating. HYDROSIL Professional liquid silicone is an elastomeric yet.