<p>Our Bitumen Impregnated Fibre Board is considered the best available on the market.</p><p>Features include:</p><p>Packaged in easy to handle black plastic packs - if left in the weather for a short period of time it will not swell and become brittle.</p><p>Composed of cellular fibres securely bonded together and uniformly saturated with bitumen by a special patented process.</p><p>Does not bleed.</p><p>Easy to cut and edge up to.</p><p><i>Often copied, but never equalled. This remains the industry standard with over 70 years of proven performance.</i></p><p>100mm is in packs of 10</p>