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Unit 1 Horseshoe Farm, Astwood Road,
Cranfield, Bedfordshire, MK43 0AU

Milton Keynes: 01908 465600
Bedford: 01234 757473

Email: info@chilterndoorsystems.co.uk

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Bedford: 01234 757473
Milton Keynes: 01908 465600

How to paint a steel door

commercial painted steel door
A painted steel door does more than look good. It also ensures that the door is protected from rust. Preparation is the most important part of painting steel doors. This is despite the fact the door may be a new one that had never been painted before. The longevity and aesthetics of the door painting depend on following the procedure below. The procedure can be applied on the trim as well as the frame.

Step 1: removal of the hardware

Regardless of the method of painting one uses, it’s always necessary to remove all the hardware for locking from the steel door and its frame. These should include the strike plates too. Doorknockers and kick plates are the other items that should be removed. If your door is detached from the frame, the hinges should be removed too.

Step 2: removal of window glazing

If your steel door has sidelights or windows, you should ensure all the glazing is removed before you begin to paint. You can use a single edge razor blade to score the glazing found close to the door frame. Whilst you’re doing this, take care so you don’t cut the frame. Then, hold the blade close to the frame in a perpendicular manner to remove the excess glazing. With a lot of care, scrape this glazing loose. Once this is done, use a solvent to wipe the area in order to remove any film that may have remained. For silicone, you should use denatured alcohol and if the glazing is sticky, mineral spirits should be able to help remove it.

Step 3: cleaning and masking

Before painting your steel doors, it’s important that the surface is clean. General grime and greasy fingerprints are what to look out for. You can use a mild cleaner for this. Once cleaning is completed, items that aren’t to be painted should be masked. painted steel door used in home

Step 4: fixing dents, sanding and priming

Before painting steel doors, any dents should be fixed, the entire door should be sanded, and priming is also necessary for a better quality finish.

Step 5: painting the steel door

Application of paint is the most satisfactory part of steel door painting. You should use at least one primer coat and no less than two finish coats. You can brush, roll or spray in this step. Brushing is easily the most popular method used. However, it’s difficult to achieve a good finish with it. Painting the steel doors by rolling can be mastered very easily and the number of tools required is minimal. The resulting painting quality is usually better than when by brushing. Spraying will give you a truly smooth finish to your painting job. It takes more time and is costlier than the methods above. You also need to have some level of experience to be able to use the equipment. Therefore, it’s best to go for a method that suits your needs and abilities.

Step 6: painting the frame and sidelights

As you wait for your door to dry between coats, you can go ahead and paint the frame. Normally, two different paint colours and types are used. The first one is for the interior and the other is for the exterior. Do one at a time before going to the next. With appropriate masking, you can spray the sidelights, but the typical method is using a brush. If you’re looking to install a steel door or other secure exits into your property then feel free to contact us.