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Lightweight Concrete Roof. For decks of long-span bridges it is used. Traditional roof insulation systems such as polyisocyanurate and polystyrene are simply not as durable fire resistant wind resistant or cost-effective over the long-term as LWIC.
Aerated Concrete Lightweight Concrete Cellular Concrete And Foamed Concrete Retaining Wall Design Concrete Aerator from www.pinterest.com
Lightweight insulating concrete for floors and roof decks Figure 1. The LWIC systems are composed of either aggregate or cellular concrete. Our Sub-Six profiles and our Flat Lightweight 720 lbs.
Recent F2170 probe tests on 2 year and 7 year old structural lightweight concrete roof decks yielded relative humidity readings in the 90 98 range.
The main specialties of lightweight concrete are its low density 300 kg m3 to 1850 kg m3 and thermal conductivity. Lightweight concrete is a special concrete which includes an expanding agent that increases the volume of the mixture while giving additional qualities such as nailbility and lessened the dead weight. For roofing contractors doing reroofing projects LWIC saves time and money which means more profit for the roofing company. Another lightweight synthetic optioncedar shakeis an easy-care alternative to natural wood.
