How to paint uPVC Windows and Doors

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Find out the perfect product and process for painting uPVC.

03/06/2021 12:37:32
We're often asked which paint is best for uPVC windows and doors? The answer is PVC Pro.

As the leading UK independent coating manufacturer HMG Paints’ PVC range is utilised across a range of plastic and difficult to coat surfaces, in a number of industries across the UK and Ireland. The latest addition to the range, PVC Pro, is a high-performance premium product designed for uPVC Windows and Doors. PVC Pro can completely transform UPVC window frames, doors and even conservatories.

Step by Step guide to painting uPVC

  1. The process initially involves protecting flooring, walls and furniture if working internally. When spraying exteriors remove or protect vehicles, garden furniture, cover plants and paving. A full risk assessment should be carried out prior to application and appropriate PPE used. When using PVC Pro temperature should be between 8°C and 34°C. The paint sticks to rubber weather seals but if silicone has been used this must be removed as the paint will not adhere to it. A new silicone seal should then re-applied once the windows have been painted.

  2. Cleaning of the substrate is vital to remove contaminants on the uPVC substrate prior to painting. Lightly abrade the surfaces to be painted and wipe clean. Clean the substrate using Prep Clean 2806 for old PVC or Prep Clean 2805 for new PVC.

  3. A light dusting of PVC Pro should then be sprayed on to the plastic to check that all contaminants have been removed.

  4. Apply 2 coats of PVC Pro via brush or compliant spray gun to give full and even coverage. Allow a flash off time of 10-15 mins between coats. Film build should not exceed 35microns DFT. The product will be touch dry in around 10-15 mins, hard dry after 45-60 minutes depending on ambient atmosphere.

  5. Leave your windows and doors as long as possible, to allow the coating to fully cure.

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