Painting Sheet Metal Duct

One of our most common inquiries is can the galvanized steel be painted.

Painting sheet metal duct.

However if your ducts are in a prominent area spray paint will look better on your duct system. 1 the correct way to spray paint on nickel plated metal 2 how to. Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint. The underside and back of the duct work can be difficult to reach and a long handled paintbrush will help you put primer on those areas.

Round pipe can be used as a main trunk line or branch line as well as in return air situations. The answer is yes and the added advantage is that the galvanized steel. If the ducts get hot use a heat resistant primer. A discussion started in 2000 but continuing through 2019.

I am planning on wiping off the oils with a 50 50 water to white vinegar mix what type of primer should i use. Be sure to tell them that the metal is galvanized sheet metal. I need to use a brush to apply the paint can t spray remove advertisements. Painting metal ductwork show comments you may like.

Also i know there is an astm guide for treatment of zinc coated steel surfaces for painting d 2092 but does anyone know if are there paints that adhere directly to the zinc coat. Can i use zinsser 123. A heat pump is about 95 deg f. It s also important to prime the metal with an acrylic latex metal primer when using latex paint.

Master flow metal pipe is available in a master flow metal pipe is available in a variety of common lengths diameters and gauges to help make your next hvac project a success. The heat running through the ductwork if it is fossil fuel gas propane oil is 110 120 deg f. For the spray paint look in a tight space a foam roller can also get the job done. Be sure to cover all surrounding items with drop cloths to assure that no unwanted paint ends up where it doesn t belong.

An oil based primer rated for use on metal helps paint adhere to galvanized steel. Apply the paint with a paintbrush or spray it. The project is an office commercial building and the ducts are made of galvanized sheet to astm a 653. I need to paint new galvanized metal duct.

You should be ok with acrylic latex or dtm. Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting. It maintains the most efficient characteristics for airflow and is common throughout the country. Allow the primer to dry for two hours or more and then paint the ducts with acrylic latex paint.