Therma-Tru Doors Finishing Instructions - Manual (Page 9)

Finishing Instructions
SITE 2 2014 2.9
Aluminum Astragal Painting
DO NOT paint while dew is present or
within an hour before dusk.
DO NOT paint in direct sunlight.
DO NOT use turpentine.
DO NOT sand the door.
BEFORE FINISHING, be
sure, the temperature is
between 50° and 90°F
and humidity is below 85%.
90°
50°
AIR OR AIRLESS SPRAY APPLICATION
3. PRIME THE ASTRAGAL.
Mist the astragal with primer for 100% coverage.
Following the spray gun manufacturer’s recom-
mendations for use, apply the primer in a sweeping
motion. Avoid heavy coating as drips and runs may
result. If they do, use a brush to correct.
4. WAIT FOR THE PRIMER TO DRY.
Follow the manufacturer’s drying time recommen-
dations for the primer before applying a paint coat.
The primer must be completely dry before paint-
ing. Clean spray equipment according to manufac-
turer’s method.
5. PAINT THE ASTRAGAL.
When primer is dry, mist the astragal with paint for
100% coverage. Following the spray gun manufac-
turer’s recommendation for use, applying the paint
in a sweeping motion. Avoid heavy coating as drips
and runs may result. If they do, use a brush to
correct. If a second coat of paint is needed, be sure
the first coat is completely dry before applying the
second coat of paint.
6. Clean the spray equipment following paint manu-
facturer’s recommendation.
BRUSH-ON APPLICATION
3. PRIME THE ASTRAGAL USING A BRUSH.
Apply a primer that is recommended by the paint
manufacturer that you have chosen.
4. WAIT FOR THE PRIMER TO DRY.
Follow the manufacturer’s drying time recommen-
dations for the primer, before applying the paint.
The primer must be completely dry before paint-
ing. Clean brushes according to manufacturer’s
method.
5. PAINT THE ASTRAGAL WITH A BRUSH.
Apply the paint. If a second coat of paint is
needed, wait until the first coat is completely dry
before applying a second coat.
6. Clean the brush following paint manufacturer’s
recommendation.
PAINTING ALUMINUM ASTRAGALS
Choose a high quality exterior grade oil based or
spray enamel house paint.
Latex is not recommended.
Match the type of primer to the paint. Primer and
paint should be produced by the same manufacturer
and made to work together.
GETTING STARTED
1. Mask Astragal.
Mask around astragal to cover any surfaces not to
be painted.
2. Sand Astragal.
Lightly sand entire surface of astragal to be painted
and clean thoroughly.