EFFECTIVE DESIGN AND PRODUCTION OF WOOD SAWDUST CEILING BOARD USED FOR UNDER ROOF COVERING

Abstract

The use of wood sawdust manually to replace Asbestos ceiling board which is used as an overhead interior part in a room has in no small measure contributed to the actualization of industrialization in the construction industry. Moreover, the use of locally occurring waste
materials, like wood sawdust, sharp sand and water was studied in this work and also, the procedures for the production of ceiling board using wood sawdust were analyzed with the necessary laboratory procedures in accordance to Standard Organization of Nigeria (SON) and British Standard (BS). A sieve analysis was carried out to assess the particle size distribution. 500g of sample was weighed which was found to be pulverised enough to pass through a stalk of sieves. The sample was run through a stalk of sieve from the top. A stalk of sieve was then shaken by hand for 10 minutes before removing the sieves one after the other, and the weight of the material retained on each sieve obtained respectively by weighing. The weight obtained was then
summed up and compared with the original weight of sample so as to detect any loss of original sample during sieving operation. The percentage error was determined using simple percentage.