MATERIAL
PIR has the best K value of any premade flexible valve cover on the market. It is 50% more efficient than mineral fibres.
It has a totally closed cell structure and is ideal for chilled water systems.
Mouldings give the product a dense outer skin that has good mechanical properties.
Easy to remove for maintenance. No special tools required, secure by Velcro straps.
Latest News
24th February 2010
This is the lastest news for J G Black Polymers. We have a new website!