Internet sales of plastic windows in standard sizes, which are in stock immediately for purchase. Also doors, gates, window sills and more. Dimensions and colours that are not in stock are delivered directly from the factory.

We specialise in the online sale of plastic fence posts, plastic fence posts, lightweight fence bases, plastic patio boards, plastic lawn paving, decking and boards. We offer everything from TRAPLAST plastic material. We also recycle plastic waste.

Blown insulation from our company can save up to 40% of heating costs in 4 hours. All this with a 5-year warranty on both materials and labour. We always try to give our customers good advice in the first place, suggest the ideal insulation parameters, recommend the best insulation material.

We provide electrical installations, lightning conductors, revisions, measurement and regulation. We install Loxone smart wiring. Photovoltaic systems with subsidy processing.

We are long-established traders focused on the sale of building materials (especially facade systems) throughout the country. Thanks to our experience, business contacts, and quantity purchases from leading manufacturers of materials, we are able to offer real unbeatable prices. Outlets all over the country.

Internet sales of silicone construction and industrial chemicals from our own production. We offer silicone sealants, rubbers, auxiliary preparations, sealing tapes, vaseline, water repellent preparations under the brand Lukopren, Lukotěs, Lukosan, Lukofob. Also acrylic sealants Akrotmel.

We are a specialist retailer of fans, heat recovery ventilators and air handling units. Our range includes small domestic fans, industrial fans, heat recovery ventilators, ceiling fans, plastic and metal air ducting, filters, inspection doors, grilles and HVAC accessories.

Kosyka has been a reliable partner for 30 years in the field of connector assembly, cable harness manufacturing and electromechanical assemblies for consumer electronics, automotive and other industries. We are the exclusive distributor of Binder connectors for the Czech Republic.