Questionable roofing job Can anyone tell me if this looks like it's done properly? No leaks yet but I'm concerned about the roofing material. Don't think it's felt, it has some grit
SUPAFLEX Green Premier Grade Shed Felt 5 Meters : Amazon.co.uk: Garden
Res-Tec Flexitec 2020 Slate Grit (15kg) | Roofdepot UK
Res-Tec Flexitec 2020 Slate Grit (15kg) | Roofdepot UK