Mac PackageMaker folder permissions

I’m trying to use PackageMaker on the Mac to build a nice installer and I’ve run into a problem with permissions on folders. Can any Mac guru help with this:

When you create a package you can change file permissions to whatever you want so that after install the app and supporting files will be set correctly. The problem I have is that the folder I’m installing into inside /Applications isn’t set to be accessible when the user is logged in as anything other than Administrator during the install process.

So for example if I put myApp inside a subfolder of myAppFolder i.e /Applications/myAppFolder/mySubAppFolder/myApp.app

then myAppFolder is set to read for “everyone” but mySubAppFolder is set to “no access” for everyone.

If I install as administrator or as me on my machine all folders are set to read.

Any ideas what is happening here and how to control it?

Ended up using Iceberg