Flat fibre cement sheets shall be of thickness from 3 to 30 mm, the thickness shall bemeasured in accordance with the method given in Annex B. NOTE - Thickness other than specified in 5.1.2 may be supplied by mutual agreement between the manufacturerand the purchaser.' In recent years, fiber cement siding has emerged as a viable and attractive alternative to the less-costly and more common vinyl siding. On average, you can expect to pay anywhere from $7.50 to $13.50 per square foot or $750 to $1,350 per square to install fiber cement siding on a typical house. A ... Cement board is composed of aggregated Portland cement with a glass-fiber mesh on the surfaces. This 5/16 inch (7.9 mm) thick cement board is designed as an underlayment for tile floors. These are 3 by 5 foot (91 by 152 cm) sheets World class fibre cement products for construction, home renovation, landscaping and DIY. UFCC supplies asbestos-free cellulose fibre cement boards, fibre cement roofing, ceiling, fascia, cladding, decking and fencing products, and is sole certificate holder of the UCO SolidWall Building System in South Africa. James Hardie is the world leader in fiber cement siding and backerboard. We've been providing a better way to build for over 100 years. Aug 08, 2018 · Fiber cement is a siding material that was introduced to the market in the 1980’s as a replacement for asbestos cement siding products. It has become common in some parts of the country, offering design versatility and a solid feel. Fiber cement board lap siding repair guide. This article describes repair procedures for cosmetic or functional siding issues that may arise such as loose siding, wind-damaged siding, siding paint or coating failures, and siding gaps, especially gaps at fiber cement siding butt joints where lap siding is installed.