Defender Plus Heavy Duty All Stacks

Features Ability to carry a load of up to 50kg top hung and 40kg side-hung Asymmetric location system for reliable and accurate closure Improved weather sealing and draught proofing performance from asymmetical vent arm Top hung feature slot-hole-sole vent fixing configuration for ease of adjustment and guaranteed fixing into reinforcement on PVCu window frames Enclosed end cap to prevent ingress of debris and provide increase cavity tolerance Timber variant avaliable on request Specification Tested to 30,000 cycles Available in ferritic* and austenitic* stainless steel 10 or 12 Year Guarentee depent on material selection (details available upon request) * Standard Ferritic (was 430) steel to BS EN 10088-2 Grade 1.4016 or Austenitic (was 304) stainless steel BS EN 10088-2 Grade 1.4301 for enhanced corrosion resistance.