Vented Metal Roof Deck

We have installed a metal deck for a roof system on which the engineer has specified a lightweight concrete composite system.

Vented metal roof deck.

In general the venting area that is provided for this purpose on form. Profilevent is a single layer ridge vent on a roll. Metal decks were first vented in order to allow excess mix water that is present in lightweight insulating concrete to drain out of the non structural slabs used in some roof systems. In order to understand what the purpose of vented metal deck is we need to take a look back in history to when vented metal roof deck was necessary.

These vents are simply slot shaped punctures running the length of each valley of the deck. Venting of composite steel floor deck. The plan is to spray open cell foam under the roof deck. Deck should not be specified as vented when it is not required.

We have installed a vented metal decking but the engineer has requested that solid metal decking be used. To vent or not to vent a metal roof october 2 2017 filed under. In the process of construction. By exposure to the sun can cause blistering in roofing membranes unless venting is provided.

Back in the 1960 s through the 1980 s vented metal deck was used on the majority of steel frame roof decking for commercial and industrial buildings. No insulation installed yet. Standard or cellular acoustic or vented interlocking or nested side laps b deck is among the most flexible of our 1 inch deep roof decks. Home ventilation metal roofing venting can sometimes be a good way to get things off of our chest but when it comes to home construction venting can be a great way to get hot air and moisture out of our attic.

Type b wide rib structural roof deck is a high performance cost efficient choice with a variety of options to meet multiple project needs. We offer 50 foot rolls that are specifically cut to fit our corrugated metal roofing panel profiles. When you need a metal roof deck supplier near you you want to work with the best who can meet and handle all of your needs. Some materials in the roof assembly may require venting of the steel roof deck such as roof systems with light weight insulating concrete.

Currently have a standing seam metal room installed over synthetic felt over osb. This is the recommendation of all three local insulation installers. There will be ducting and other hvac equipment in the attic. Lwic an insulating product is not to be confused with structural lightweight concrete which is a structural component of a composite floor system.

However as the future owner i m beginning maybe a bit too. Venting does not impact the structural performance of the steel deck.