I'm wanting to insulate and use low energy products for my new extension.
I've found these lintels made from Steel and GRP called IG Hi-Therm Lintels Link http://iglintels.com/hi-therm-lintel/
Has anyone used these how do they compare to normal Steel Lintels
Thanks
I've found these lintels made from Steel and GRP called IG Hi-Therm Lintels Link http://iglintels.com/hi-therm-lintel/
Has anyone used these how do they compare to normal Steel Lintels
Thanks