Aluminium soakers are uses when forming a pitched roof against an existing wall. These aluminium soakers are pre-fabricated to a 90 degree angle, and are inserted between successive courses to make a waterproof joint.Aluminium soakers are a lightweight and durable alternative to lead and are supplied in a packs of 25.TechnicalLength : 6" (150mm).Width : 6" (150mm).Bent : 4" x 2" (100mm x 50mm).Thickness : 0.5mm.