Lightweight Insulating Concrete Roof Details

The increase can also be attributed to the economic and environmental advantages that lightweight insulating concrete lwic provides in roof assemblies.

Lightweight insulating concrete roof details.

Multi ply sbs modified bitumen roofing lightweight insulating concrete paradiene 20 30 nvs insulation. Cellucrete has established itself as the leader in the lightweight insulating concrete industry with a proven track record of high quality installations throughout the. Can you give me some information on insulating concrete for roof decks. Lightweight insulated concrete also known as lwic is a material intended for use as an insulation and substrate for support and attachment of roofing membranes on slope roofs the lwic systems are composed of either aggregate or cellular concrete.

The use of lightweight concrete as a roof decking and insulation system has expanded in the past five years. This combination creates a durable roof system that also has excellent wind uplift values. The largest single use for lwic is as a roofing base and thermal insulation for industrial and commercial buildings with low slope roofs. Each design encapsulates the insulation board in insulating concrete.

Insulating concrete is made with special lightweight aggregates meeting astm specifications c332 or made by using preformed or formed in place foam with cement cement sand mortar and also with lightweight aggregates. Part 1 general. Hol e board specifications r values and compliances for vented expanded polystyrene insulation for all lightweight concrete roof decks. This process provides fire protection prevents air infiltration and bonds the total insulation system to the substrate.

Download pdf of this information. Increased usage can be attributed to the recent industry wide insulation shortages and delamination deficiencies. Cell crete has a very professional staff and scheduling was very easy. The lightweight insulated concrete system lwic utilizes the sarnafil g 410 feltback roof membrane designed specifically for adhered applications bonded to the concrete using sarnacol 2121 water based membrane adhesive.

To view the downloaded files you will need the free adobe acrobat reader. Lcc lightweight cellular concrete is an excellent product works well for the application. Section 035216 lightweight insulating concrete roof decks. Low density insulating concrete roof decks are monolithic composite systems cast over galvanized metal decks structural concrete wood decks or existing roof systems.

Unlike rigid board siplast lightweight insulating concrete is reroofable and therefore a truly sustainable insulation solution.