On Jul 24, 8:49*pm, Andy Dingley wrote:
I'd suggest attaching a "sub-batten" alongside the wall battens and
stapling the foil down to those.

How about if I stapled the foil half-way down the batten instead i.e.
the staples are o



So instead of:

-------------------------------------- Foil
##############
##############
##############
### ###
### Batten ###
### ###
##############
###################################### Wood


I do:

+----------------+ Foil
| ############## |
| ############## |
| ############## |
--------+ ### ### +-----------
### Batten ###
### ###
##############
###################################### Wood

The foil would be pulling at right angles to the staples. Is it likely
to tear?