Permadeck®
the permanent roof
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E&OE      The text and graphics of this website are Copyright © 1996-2015 all rights reserved by Seamless Roofing Ltd.  Permadeck, Thermadeck & Flexiroof are registered trade marks.  The contents of this website are subject to review and are a guide only and do not represent a binding offer. The BBA logo is Copyright © British Board of Agrément.  

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Sedum
Filter membrane
Drainage layer
Permadeck
18mm wbp Permadeck ply

Insulation board

Vapour barrier
18mm sheathing ply

Firring

Joists
Green or Living Roofs
So you fancy a Living Roof?  First of all you need a roof that’s going to be as reliable as is humanly possible because if you’re going to cover it with sedum AND IT THEN LEAKS you’ll be pulling your...sedum out!

Permadeck is so tough and reliable in its performance that it has been BBA certified for roofs, balconies and walkways since 1993.

Next, you need a system that is happy with ponding because if you’re going to permanently cover a roof in sedum then you’re committing that roof to be wet...forever.  Permadeck uses two specially formulated polyester resins and polyester resins are used to build boats and water tanks, which need to stay wet.

Then, you want something that will aid your design.  Permadeck can be moulded into any shape; it can have ridges, valleys, mounting blocks, internal gutters, whatever you need for your Green Roof project.  You may, for example, require railings around the edge so that the roof can be maintained.  Your sedum will attract other seeds like weeds, grasses and even trees, which all need controlled.  

And Permadeck can have anything laid on it, including gravel, filtration beds, timber, netting and, of course, sedum or moss or grass.  If you want grass, as in a Hobbit house, then you may need to mow it, so you’ll want something than can easily withstand the weight of man and machine.  

If you want to discuss your Green Roof, email your sketches or plans today:  info@seamlessroofing.co.uk
It’s your choice: some like it clean, some like it green.
Here’s a ‘Work-in-Progress” green roof

The pic below shows Permadeck20 fitted to one of the ‘Grand Designs’ houses in Edinburgh.
During 2008 the roof will have its sedum laid.  Because the roof is at a steep angle we have moulded some ridges across the surface to make sure the sedum cannot slump.  As soon as the roof is finished we’ll publish its picture here.

Read more about Permadeck 20 here