Permavent Easy Slate Side Check for 500mm x 250mm Slate - Sold per Strip
Description
Please note: 1 x strip is required per slate, Item is sold per strip.
The patented Easy Slate is a side lap strip that works by sealing the perp join on the slate and prevents the water from entering the layers of the slates.
Easy Slate has the effect of extending the head lap from the tail of the upper slate to the head of the slate below; for example, a roof using 500x250mm slates with a 100mm lap, will now have a sealed perp join and an effective head lap of 300mm.
On a regular slate roof there is often less than 0.5mm gap between the layers of the slates. Little or no gap between the slates means that air pressure will draw the water between the slates via capillary action, and this is one of the reasons that slates leak. When the Easy Slate is used the slates are raised by 1mm and this increased gap allows the free movement of air below the slates, this releases the air pressure thus eliminating the capillary action.
In addition this also eliminates wind slate rattle.
By increasing the head lap and removing the capillary action, the weather resistance of the roof is greatly improved and slates can now be installed on many complicated, exposed or low pitched roofs where it was not previously possible.
As Easy Slate raises the slate by approximately 1mm, it allows air to circulate beneath the slates and this will clear the condensation that is passing through the Breather Membrane. There is now no need to use a counter batten when you use Easy Slate.
Easy Slate has a high level of versatility and longevity, when installed as part of the Easy Roof System it comes with a 40 year guarantee.
Specification
Dimensions
Questions & Answers
Question:
What pitch can they go down to
Answer:
10 degrees
Question:
Hi, Can you or should you use slate hooks with this product?
Answer:
If you are using these side checks you do not need to hook fix as well, nail fixing and the side checks together would be sufficient.
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Permavent Easy Slate Side Check for 500mm x 250mm Slate - Sold per Strip
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