Laurens Ladder is simply secured to a door or window opening using the the clamps which are fully adjustable. Can also be used in timber framed structures. Adjuster screws at each end allow the face of the ladder to be tilted to compensated for existing out of plumb brickwork.Laurens Ladder covers 51 course when used on Band Coursing (3.96 metres). Additional Ladder section can be added infinitly.* Gauge of course to be laid clearly indicated allowing any adjustment to be calculated and made. ** Top bar used to align every brick - no line of level required ** Each course held in place by top and bottom bar - a pause in laying is possible ** Able to cope with courses laid on slippey Damp Proof Course membrane ** Soldier courses laid with Laurens Ladder in HALF the time of level and line *