GERDA NTT REVO exterior doors to the house are the highest quality products Gerda, characterized by modern design and excellent parameters of thermal insulation.
They perfectly combine the best features of metal doors – solid, durable and robust construction, the highest level of safety, aesthetics with the unique character of modern doors for the most demanding customers.
Door leafs are made from the highest quality materials, which provide resistance to the daily operation and variable weather conditions.
Gerda NTT REVO doors are offered in four design lines:
AIR GLASS – with a characteristic glass commonly called car glass,
QUADRO – with multiple glazing and cylinder with the leaf surface,
TEMPO – classic door reference to best GERDA designs,
ELITE 3D – elegant design.
TT OPTIMA group doors feature very good thermal and acoustic insulation. We have reached these values through the use of the patented PERFOTHERM door frame, thickened metal plating of doors and the filling made of isolative and sound absorbing materials. The latest technology of metal plate moulding decorative inserts, made of stainless steel, ideally flush with a door surface which improves its aesthetics.
ALTUS aluminium burglarproof doors are designed to achieve the best thermal insulation parameters. Made of a three-chamber 9 cm-thick aluminium system, they meet the stringent requirements of modern passive construction. ALTUS doors are equipped as standard with a spacer in the patented „anti-bimetal” technology, which uses specially designed insulators that significantly increase the thermal insulation parameters and have a significant impact on reducing energy purchase costs. The design of GERDA ALTUS aluminium doors allows to achieve a uniform surface both on the inside and outside.
Panel doors is a top quality product of the GERDA company. Perfectly are combining the best features of metal door that is solid and tough structure the highest level of security and reliability with aesthetics, with individuality of modern door for customers the most requiring. Panel doors have excellent thermal insulation parameters. Panel doors are made from high quality material resistant to specific operating conditions (temperature differences, humidity). Decorative coverings are mounted on both sides to steel door construction forming door box structure and additional reinforcement and muting whole structure.