Raising Roof Joists for Loft Flooring
The Natural Philosopher wrote:
Lobster wrote:
When topping up old insulation (Rockwool) it's normal and more
effective to lay the second layer perpendicular to the first.
I think you mean 'orthogonal'
Perpendicular is walls... ;-)
I understood what Lobster meant, and feel that "perpendicular" was quite
appropriate. After all, laying insulation foam vertically wouldn't make
sense.
Dave
|