30 cubic yard dumpsters are the most popular size for most projects. 30 yard dumpsters are often used for home additions, new home construction, total rehab or remodels, Commercial construction projects, roofing demolition, selective demolition, large scale construction projects or any other type of project that requires the removal of bulky debris. 30 yard dumpsters can hold approximately 15 pickup truck loads. 30 yard dumpsters are 8 ft. in width, 23 ft. in length and 6 ft. in height.