Painting Sheet Metal Duct

If the ducts get hot use a heat resistant primer.

Painting sheet metal duct.

The project is an office commercial building and the ducts are made of galvanized sheet to astm a 653. Painting metal ductwork show comments you may like. It s also important to prime the metal with an acrylic latex metal primer when using latex paint. A discussion started in 2000 but continuing through 2019.

Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of 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. I am planning on wiping off the oils with a 50 50 water to white vinegar mix what type of primer should i use. 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.

Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting. Do not use alkyd based paints or oil based primer. The answer is yes and the added advantage is that the galvanized steel. It maintains the most efficient characteristics for airflow and is common throughout the country.

Round pipe can be used as a main trunk line or branch line as well as in return air situations. Allow the primer to dry for two hours or more and then paint the ducts with acrylic latex paint. A heat pump is about 95 deg f. However if your ducts are in a prominent area spray paint will look better on your duct system.

The heat running through the ductwork if it is fossil fuel gas propane oil is 110 120 deg f. Be sure to tell them that the metal is galvanized sheet metal. An oil based primer rated for use on metal helps paint adhere to galvanized steel. Use a product that can withstand moderately high heat if the ducts get hot.

I need to use a brush to apply the paint can t spray remove advertisements. You should be ok with acrylic latex or dtm. 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. Place drop cloths underneath all of the duct work and use a paintbrush or paint roller to apply the primer.

I need to paint new galvanized metal duct. 1 the correct way to spray paint on nickel plated metal 2 how to. Be sure to cover all surrounding items with drop cloths to assure that no unwanted paint ends up where it doesn t belong. Apply the paint with a paintbrush or spray it.