Good Primer For Aluminum Siding

Some books and magazines on painting recommend that you prime aluminum siding and or paint over existing aluminum siding with water based primers.

Good primer for aluminum siding.

If you prefer an acrylic primer you may do so use. I would use a water base dtm bonding primer on any bare spots. I would use water base because unlike oil base it won t become brittle and crack down the road it will expand and contract with the siding and it can also withstand heat better than oil base. You should not use latex primer because most of the time it contains ammonia.

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Remember that acrylic primer should only be used on acrylic paint. Aluminum siding paint typically lasts from five to 10 years and aluminum siding is easy to paint. Flat white interior exterior aluminum primer spray 6 pack. The problem is that there are quite possibly pinholes or cracks that are not visible to the naked eye where the old aluminum paint has worn off.

Aluminum siding only needs to be primed if you have bare aluminum. You can use a cleaner specially designed for aluminum siding but a mixture of trisodium phosphate tsp and water works just as well. Use the directions on the tsp package to mix the cleaner correctly. Acrylic primers provide a stable base while sticking to metal and not reacting to any oxidation on the siding.