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Power Ventilation is a new concept in the installation of Underdeck Ceilings.

The Underdeck industry has largely ignored the need for ventilation. Our experience has been that when we access the space between an under deck ceiling and the deck above we find the area is still damp even days after a heavy rain, even though the underdeck is properly installed and there is no standing water.

If still, humid conditions prevail in the space above an underdeck the situation is ideal for the development of mold and potential rot. The use of hardwood deck surfaces above an underdeck require special attention to ventilation to ensure that the boards do not swell from being waterlogged. Finally our experience with power ventilation has shown to reduce the need for maintenance cleanouts. We will expand on each of these points below.

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Do Underdeck Ceilings Require Maintenance?

The short answer is that very little  in this world is maintenance free. You may hear from a salesperson that a particular underdeck installation does not need maintenance. You will never hear that from us. In fact we recommend that in  the first 3 years ofter an installation that an inspection be done to check for accumulation of debris, and that any found be removed. The design of our panels allows any individual panel to be removed without disturbing adjacent panels, so inspection is a simple matter, well within the capabilities of a handy homeowner.

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Beaded Panels

2 Bead Lines4 Bead Lines

Two Bead Lines create three even sections at 3 1/2 inches apiece

Four bead Lines create five even sections at 2 1/8 inches apiece

 
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How to Make a Wise Underdeck Purchase

Part 1

May 19 2017

The most obvious feature of an underdeck ceiling is the array of panels that make up the waterproof ceiling you see.

The panels are commonly made from these materials:


Vinyl: it is lightweight. The color choices are limited and it is fragile compared to other materials. It tends to become brittle with exposure to the elements.  Removal and replacement of the panels for maintenance may cause the panels to be damaged.


Steel: It is strong, but relatively heavy. In underdeck applications it is coated with a  layer of zinc during manufacture to protect it from rust. Cut surfaces are subject to rusting if they are not re coated. Steel is also coated with an aluminum/zinc alloy. It also provides good protection from rust on uncut surfaces. This is sold under the brand name, Galvalume. It is sometimes presented inaccurately as an an aluminum product. Color choices for coated steel are also limited.  


Aluminum is the most useful material in the underdeck industry. It is lightweight, strong and rustproof. All of Magnolia Nationwide Underdecks are made of aluminum. It is available in the widest variety of colors. We offer 28 colors.


Our effort in future posts to our blog is to provide the most detailed information needed to make a wise underdeck purchase. We are directing this information to construction professionals looking to add underdeck ceiling installation to the list of services offered to their clients. 


We also hope to give homeowners a solid base of knowledge for selecting an underdeck ceiling system to install as a satisfying DIY project, or be more knowledgeable if looking to have it installed.


This list of common underdeck materials is a start on our effort to make you a more informed customer.


 


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