Retrofit Measurements: 25-57mm – EPDM rubber. – Available in Black, Grey and Silicone Red. – Also available in BHP roofing colours on request. – Size range: 0mm to 1m available. – All EPDM Master Flash pipe flashings have a high temperature resistance of 135°C intermittently. A red silicone compound is also available, and this product has a high resistance of 260°C intermittently.