Our moldings may be cut, sanded, nailed, and basically installed the same way as any wood molding. A polyurethane adhesive should be beaded along the touching edges of the wall/ceiling and between joints, and then a few small nails to hold in place while the adhesive sets.
Advantages of Polyurethane:
1. Interior and exterior use.
2. Waterproof: they won't absorb moisture or mildew
3. Lightweight and easy to install.
4. Pre-primed and ready for paint (Note: Primer does not absorb stains)