chriz1

Which breathable membrane

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hi all,

 

I'm about to retire my roof, and change the old 1f felt as its ripped leaking etc..

 

Can anyone recommend a breathable membrane? Fairly priced.

 

I dont have soffit ventilation but will be fitting 2 vent tiles low down and dry ridge system. 

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I use the Cromar ones that are rebadged by a lot of the builders merchants as own brand. 
 

 

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I find it quite concerning that most of these membranes burn very readily.  Cut a bit off, light it at the bottom and you often need to drop it quickly before your hand get burnt.  They are normally classed E fire resistance which means almost nothing.

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