The MADE IN AME R I C A Advantage Utilizing a domestic supply chain provides the high level of responsiveness required to be successful in today’s ever-changing market. Not only does domestic sourcing provide faster response times and more opportunity for customization specific to your needs, but it also promotes job growth and community development right here in the USA! P R IMED F I B E R BOAR D INS TAL LAT ION GUIDE L INE S • Store mouldings on the jobsite flat, and up off the floor to prevent material from getting wet and drawing moisture.• Prior to installation, mouldings should be stored in room conditions for a minimum of 48 hours. Contrary to popular belief, MDF can expand and contract due to changes in relative humidity, so acclimation is very important.• When ripping, cutting or routing, carbide tipped blades and/or cutter heads are strongly recommended.• Pneumatic fastening systems with the air pressure set at 90 – 120 PSI works best.• The types of fasteners that work best are 16-18 gauge finish nails. Smooth shank nails are not recommended. However, it is up to the installer to decide what works best for his own application.• MDF is a man-made product that is excellent for face nailing (1” from ends and ¼ ” from edges is recommended). Edge nailing is not recommended.• The use of a fast drying adhesive, such as our Kwik-Bond Adhesive and Activator, helps to prevent the separation of mitered corners. Another option for applying casing around doors and windows is to use casing corner blocks. In this application, the use of glue is not required P R IMED F I B E R BOARD GENE RAL INFORMAT ION ARCHITECTURAL MILLWORK 55 P R IMED F I B E R BOAR D F INI SHING GUIDE L INE S Koetter Woodworking’s Primed Fiberboard mouldings are coated with a high quality water based acrylic latex primer. Any high quality water, oil, or lacquer based top coats will work to produce a good finished product. (For best results, follow the paint manufacturer’s instructions regarding product use.)Koetter Woodworking’s Primed Fiberboard mouldings have an exclusive finish process with a double prime and double profile-sand manufacturing process which results in a smoother finish, decreasing in-field finishing time and associated costs.For best results:• Fill and seal all nail holes.• Lightly sand with fine grit sandpaper or a piece of Scotchbrite.• Wipe down the surface of the moulding that is going to be painted with a tack cloth to remove any excess dust left from sanding.• Apply the first coat of premium paint.• Lightly sand again with fine grit sandpaper or Scotchbrite to help the second coat of paint adhere to the first.• Wipe down the moulding with a tack cloth to remove any dust from sanding.• Apply a second coat of premium paint.