For Single and Bi-Parting doors up to 100 lbs. System has four free-rolling nylon wheels mounted on pivoting rocker-arms which allow constant wheel contact with track. Each door ....
For Single and Bi-Parting doors up to 100 lbs. System has four free-rolling nylon wheels mounted on pivoting rocker-arms which allow constant wheel contact with track. Each door ....
For Bi-Passing doors up to 100 lbs. System has four free-rolling nylon wheels mounted on pivoting rocker-arms which allow constant wheel contact with track. Each door therefore, rides ....
For Bi-Passing doors up to 100 lbs. System has four free-rolling nylon wheels mounted on pivoting rocker-arms which allow constant contact with track. Each door therefore, rides on ....
