Ensure the contract mentions installation according to ГОСТ 34378-2018 (or the updated 2024 equivalent).
Договор подряда на монтаж ПВХ окон - Amulex
Specifically details the manufacture, delivery, dismantling of old windows, and installation of new PVC windows, including windowsill and drainage components. dogovor montazh plastikovye okna
Signed after inspection of the installed windows.
Breakdown of prepayment (usually 50–100%) and final payment upon completion. and warranties to protect both parties.
Verify if the "standard installation" includes removal of old windows, installation of flashing ( отливы), sealing (mounting foam), and adjustment of fittings.
Defines the warranty period for both the product (profile/fittings) and the installation work. 2. Crucial Clauses to Verify installation of flashing ( отливы)
A valid contract for the installation of plastic windows () in 2026 must clearly define the scope of work, timelines, and warranties to protect both parties.