Roof Deck Flutes

How a closure strip works.

Roof deck flutes.

By filling the flutes in roof decking the rigid insulation above is not spanning 10 or 12 or more of metal decking void. It contains no cfcs hfcs hcfcs or formaldehyde and it comes with a 50 year thermal warranty. Eps is the ideal material to fill in those gaps. How steel decking flutes are made.

Secondly the eps flute fillers increase the overall r value of the roof increasing energy efficiency. Atlas molded products roof insulation is recyclable and environmentally friendly. To create adequate support for the roofing material and the membrane above the gaps or flutes between the ribs need to be filled in to make the deck flat. A metal rubber or foam closure strip is placed at the ends of each sheet of metal deck to create a tight seal.

A sheet of metal decking is cold rolled into the desired profile shape which determines the size and shape of the sheets flutes. Because steel decks have flutes they require a bridging layer which is typically roof insulation although various leveling boards are also used such as gypsum board. Until 1953 steel decks were considered non combustible and roof insulation was generally attached by mopping directly to the steel. Eps flute fill can be custom cut to fit any metal roof flange profile square tapered or profile cut and is available in a range of compressive strengths to target the specific roof assembly s needs.

It s designed to decrease the noise from below. Insulfoam fl is cut from the same high quality eps as our flat insulfoam roof products and upon request will be manufactured to meet or exceed the requirements of astm c578 standard specification for rigid cellular polystyrene thermal insulation. Normally b decking is used in short to medium span conditions ranging from 3 feet to 10 feet in distance. A fold or bend in a steel deck panel that is fabricated which projects downward from a parallel plane to form a repetitive trench or wave and is made of one corrugation.

Acoustical metal decking will have small perforated holes in the flutes of the decking or along the cellular plate located at the underside of the panel. Sound absorbing insulation batts will be placed within the flutes of the metal deck and will cover the holes. The advantages of flute fill is about far more than just r value. It can be custom cut to fit any profile.

In addition b roof deck is available in lengths ranging from 6 2 to 35 6. Roof deck flute fillers in commercial roof construction the eps flute filler serves two separate purposes. Insulfoam fl flute fill is a custom made engineered insulation consisting of a superior closed cell lightweight expanded polystyrene eps. The metal roof pictured to the left shows insulfoam eps being installed over metal standing seam deck in new mexico by progressive roofing.

Flute fill also reduces concerns with flute span ability and minimizes the need for. Square cut foam control flute filler insulation is an economical way to fill voids in profile roof decks and still provide additional insulation value to each project. B deck is 1 1 2 deep and is available in galvanized and prime painted finishes.