Forget the Silicone - Just screw it down
Features a revolutionary non-absorbant and non-porous sponge gasket that seals by compression, even in wet conditions, it hugs the roof line to provide a watertight seal without the need for silicone sealant.
Roof Pitch : 0-45°
Base Size : 221 x 221mm
Size Range : 5-127mm
Material / Colour : Black EPDM
Red and grey Silicone will withstand constant temperature at the roofline of -50°C to 200°C and up to 250°C intermittently