Category Archives: Doors

Garage Door Torsion Spring Calculator

How To Measure Garage Door Torsion Springs Appears the following spring characteristics are important  Wire Diameter Outer diameter Number of active coils Direction of the windings  – Left hand or Right hand I later found out that garage door springs are color coded as to the type of material in the spring? Online spring calculator… Read More »

High Quality Lock for Commercial Door

Plain old Schlage locks at Home Depot are very cheaply made and not acceptable.   Emtek seems to be designed better.   Research Links Emtek S50023 Square Double Cylinder Stainless Steel Deadbolt Ebay: Emtek dead bolt Ebay: Emtek square dead bolt Backset is measured to the center of the knob hole.  Or you can take… Read More »

Guide to Door Lock Measurements

Standard Door Measurements Lock Bore The diameter of the hole for the lock body. The standard bore is 2-1/8”. Many older doors had bores that were been smaller. Most of the current locks require the standard 2-1/8” bore. If one wants to replace their locks on doors that have smaller diameter holes there are 2 options.… Read More »