Mortise and Tenon Joinery

Our mortise and tenon joint design allows for maximum glue surface area. Wet-to-glue application plus special “draw-tight” assembly screws result in optimal intimate contact and excellent joint strength.

Monolithic Louver Tenons

Louver pivot on tenons that are formed from the louver profile itself. The resulting monolithic grain structure of each tenon provides the strongest pivot design in the industry.

Adjustable Stabilouver

The louver at the middle of each tilt rod receives brass bushings for preset tension. In addition, screws are applied to retain the stiles and to allow adjustment of tilting action. Louvers are thus sure to hold any desired tilt position.

Continuous Tilt Rod Linkage

A common problem never seen in an O’Hair Shutter is detached louvers due to tilt rod staples that pulled out. Instead, a continuous aluminum linkage thoroughly glued into the back of the tilt rod provides extraordinary strength. The connecting louver staples made of #304 stainless are deep set for decades of trouble free services.

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