TM
Patent U.S. # 5317853 / CAN. # 2115722
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Space Balls are used in the manufacture of solid wood panel doors. They easily install into the stiles and rails,
with a friction fit, insuring that they will not fall out during assembly. Once in place standard door construction is
continued. Space Balls keep the door panel centered. No more problems with unsightly reveal lines if the panel
moves during the finishing process.
Space Balls will compress and expand. They are made of a rubber material that has a memory, returning to it's original round shape. Space Balls will float and center door panels during seasonal humidity changes. |
Insertion Procedure 5mm Space Balls
Insertion Procedure 3/16" Space Balls
Space Balls also eliminate annoying panel rattle. Panel rattle occurs when the panel becomes smaller
with drier humidity conditions. This shrinkage will allow the panel to shift and move in the frame making a
rattling sound. When Space Balls are incorporated in the door frames, panels are cushioned and always
floating, avoiding panel rattle.
Space Balls will also solves the problem of cracking glue joints. During times of humidity changes, if a panel
door is made too tightly or the door is pinned to secure the panel, wood movement will cause stress
and cracking on the glue joints . Space Balls will expand and contract with wood movement protecting glue joints.
The recommended amount of Space Balls per door is 8 to 10
Space Balls will cut out most major call-backs on solid raised and flat panel doors, which is where most companies
lose money. Using Space Balls will keep your money in production.
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Revised: June 13, 2014.