And on the inside it's brick

The museum's inside wall surfaces are going to be covered with Superquick brick paper. I bought a package at a train show a few years ago and it has been just laying around in the parts box waiting for a project. Wait no more!

But before the gluing got underway, the plastic walls had embossed numbers and ejector dimples that had to the sanded off to smooth their surfaces. 

White glue was used and spread on the wall as uniformly as I could. A piece of brick paper was then applied. After drying, the arch was sliced out with a brand new knife blade. The brick paper is quite thin, which makes application and cutting openings easy.

There's a lot of walls and cutting ahead, so it could be awhile before this job is done.