Painting Sheet Metal Duct

The project is an office commercial building and the ducts are made of galvanized sheet to astm a 653.

Painting sheet metal duct. 1 the correct way to spray paint on nickel plated metal 2 how to. Allow the primer to dry for two hours or more and then paint the ducts with acrylic latex paint. Round pipe can be used as a main trunk line or branch line as well as in return air situations. Painting metal ductwork show comments you may like.

Place drop cloths underneath all of the duct work and use a paintbrush or paint roller to apply the primer. Be sure to cover all surrounding items with drop cloths to assure that no unwanted paint ends up where it doesn t belong. Be sure to tell them that the metal is galvanized sheet metal. 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.

The heat running through the ductwork if it is fossil fuel gas propane oil is 110 120 deg f. You should be ok with acrylic latex or dtm. An oil based primer rated for use on metal helps paint adhere to galvanized steel. The answer is yes and the added advantage is that the galvanized steel.

It s also important to prime the metal with an acrylic latex metal primer when using latex paint. One of our most common inquiries is can the galvanized steel be painted. For the spray paint look in a tight space a foam roller can also get the job done. I am planning on wiping off the oils with a 50 50 water to white vinegar mix what type of primer should i use.

Use a product that can withstand moderately high heat if the ducts get hot. If the ducts get hot use a heat resistant primer. Can i use zinsser 123. Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting.

A heat pump is about 95 deg f. 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. Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint. Do not use alkyd based paints or oil based primer.

I need to paint new galvanized metal duct. It maintains the most efficient characteristics for airflow and is common throughout the country. However if your ducts are in a prominent area spray paint will look better on your duct system. 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.