Painting Sheet Metal Duct

Round pipe can be used as a main trunk line or branch line as well as in return air situations.

Painting sheet metal duct.

The answer is yes and the added advantage is that the galvanized steel. Use a product that can withstand moderately high heat if the ducts get hot. 1 the correct way to spray paint on nickel plated metal 2 how to. Do not use alkyd based paints or oil based primer.

The project is an office commercial building and the ducts are made of galvanized sheet to astm a 653. Be sure to tell them that the metal is galvanized sheet metal. A heat pump is about 95 deg f. The heat running through the ductwork if it is fossil fuel gas propane oil is 110 120 deg f.

Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting. Be sure to cover all surrounding items with drop cloths to assure that no unwanted paint ends up where it doesn t belong. 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. One of our most common inquiries is can the galvanized steel be painted.

Can i use zinsser 123. 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. It maintains the most efficient characteristics for airflow and is common throughout the country. 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.

For the spray paint look in a tight space a foam roller can also get the job done. Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint. If the ducts get hot use a heat resistant primer. You should be ok with acrylic latex or dtm.

An oil based primer rated for use on metal helps paint adhere to galvanized steel. I need to paint new galvanized metal duct. I am planning on wiping off the oils with a 50 50 water to white vinegar mix what type of primer should i use. Place drop cloths underneath all of the duct work and use a paintbrush or paint roller to apply the primer.

Apply the paint with a paintbrush or spray it. However if your ducts are in a prominent area spray paint will look better on your duct system. I need to use a brush to apply the paint can t spray remove advertisements. Allow the primer to dry for two hours or more and then paint the ducts with acrylic latex paint.