>> Powerlon UK - Home > Technical Information > Product Selector  
product index
*
*
product index
*
 
 

 
 
 
© Industrial Textiles & Plastics Ltd.   All Rights Reserved
     
Cold Roof
Insulated Warm Roof
Unsupported
Supported
Unsupported
Supported
Step 1:
Select the relevant roof design
Conventional cold roof design
Underlay taut or draped between the rafters
Underlay laid directly on to the sarking / plywood
Underlay taut or draped between the rafters
Underlay laid directly on to sarking / plywood
Underlay laid directly on to sarking / plywood
Underlay laid directly on to the insulation
With or without Counter-battens
Counter-battened
A. TAUT
Counter-battened
B. DRAPED
No counter-batten
1. Counter-battened
2. With air gap between sarking and insulation
1. Counter-battened
2. Without air gap between sarking and insulation
1. Counter-battened
2. Without air gap between sarking and insulation
Step 2:
Is the roof ventilated?
Yes
No
Yes
No
Yes
No
Yes
No
No
No
Step 3:
Select the required breathability performance 		Step 4:
Select the appropriate Powerlon product from below.
Please note that Powerlon UltraPerm is a universal underlay and can be used for all roof designs.
As with all underlays, installation must be in accordance with the relevant Agrément certificate(s) and manufacturer's installation instructions
 
 
 
  
 
 
 
 
 
   
 
*