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Johnson Brothers LLC Painting

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How To Properly Clean And  Stain A  Fiberglass Door...



           1. Wipe down door

Using the fiberglass cleaner and a rag, wipe down the door to remove any debris from the door surface. Allow the door to dry completly before proceeding.

           2. Start with panel

Apply the first coat of stain to the door by starting with the panel sections first. Initially begin applying the stain with the foam brush. TIP: Start your brush strokes at the corners of the panels and work towards the center of the panel to help prevent pooling of the stain in the corners of the panel.

           3. Even out stain

Even out the stain by using the stain brush. Keep the stain brush as clean as possible by removing excess stain on the brush with a rag.

            4. Stain center stile

Next work the center of stiles of the door. TIP: Start at the stile/rail line and work inward. Any vertical brush strokes on the rails will show up later in the staining process.

            5. Stain rails

Now stain the center rails. Rails travel horizontally across the door. TIP: Start at the stile/rail line and work inward. Any horizontal brush strokes on the stiles will show up later in the staining process.

            6. Finish staining face

Finish staining the face of the door by apply stain to the outer stiles. TIP: Be careful not to create any vertical brush strokes on the rails.

            7. Stain edge

Finally stain the edge of the door. TIP Be careful not to allow any excess stain to run across the bottom face of the door.

            8. Flip Door

Using the help of a friend, flip the door over and repeat the staining process on the other side of the door.

            9. Allow drying time

Allow the door to dry 8-24 hours depending on drying conditions. Low temperatureand high humidity will increase drying time.

            10. Apply polyurethane

Using a bristle brush apply a base coat of exterior polyurethane. Apply the polyurethane in the same sequence as the staining process being careful to apply the polyurethane in the same directions as the woodgrain on the door.

            11. Applying second coat

A minimum of two coats of polyurethane are recommended. Allow a minimum of 6 hours between coats. Before applying the second coat, lightly sand the surface. A scotchbrite pad works best for this. Then apply the second coat of polyurethane.

           12. Maintenance

Even a well finished fiberglass door will be affected by exposure and weathering from sun, moisture and air pollutants. it is considered normal maintenance to re-apply the topcoat approximately every year.