K-Rend under external steel over bifold or not?

Macca123

New Member
Looking for advice whether to order a bifold with a 20mm knock on at the top (as well as the sides) to allow for K-Rend if it can be applied under the steel.

Alternative is to just paint the steel in Anthracite like the bifolds.

Advice appreciated.
 
Looking for advice whether to order a bifold with a 20mm knock on at the top (as well as the sides) to allow for K-Rend if it can be applied under the steel.

Alternative is to just paint the steel in Anthracite like the bifolds.

Advice appreciated.
If the wing of a bead covers the steel you should be alright
 
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