Wax Bleed On Siding

Failing to apply the right primer to the hardboard before painting.

Wax bleed on siding.

Wax bleed does not include paint discoloration. They can even bleed through some ordinary primers possibly causing dirt pickup mildew and or poor paint adhesion see dirt pickup and mildew. When the substrate is painted these staining substances bleed through the paint. But under certain conditions the wax can migrate to the surface of the painted board.

An excessive amount of wax on the surface will cause the coating to peel down to the substrate. Stains that come from waxy substances in the reconstituted wood products used to make hardboard siding. Applying a hard finish over a softer coat without priming or painting over a glossy surface without sanding. Stains that come from waxy substance in the reconstituted wood products used to make hardboard siding.

A common exterior paint issue wax bleed is a discoloration of the paint film caused by additives used to make reconstituted hardboard siding more resistant to moisture. Stains that come from waxy substances in the reconstituted wood products used to make hardboard siding. Stains that come from waxy substance in the reconstituted wood products used to make hardboard siding. Once on the surface the wax can change the appearance of the board with.

One cause of discoloration seen on painted hardboard siding is wax bleeding used while manufacturing hardboard siding wax or petrolatum makes a board more moisture resistant. These wax additives can bleed through low grade primers and paint causing dirt pickup mildew and poor adhesion. Many paint manufacturers and coating technologists believe that discoloration often seen on painted hardboard siding is caused by wax bleed the migration of the wax appears to be caused by a combination of two or more of the following factors. When the substrate is painted these staining substances bleed through the paint.

Allowing hardboard siding to weather before painting. An excessive amount of wax on the surface will cause the coating to peel down to the substrate. They can even bleed through some ordinary primers possibly causing dirt pickup mildew and or poor paint adhesion see dirt pickup and mildew. These staining substances bleed through the primer and paint possibly causing dirt pickup mildew and or poor paint adhesion.

Use of dark paint colors which absorb heat and can accelerate wax bleed. Wax bleed raised or popped fibers or fiber bundles where the condition exists on more than 20 of the exposed board surface and in the case of wax bleed where the siding in question was painted within two years of the date of the claim. Stains that come from waxy substance in the reconstituted wood products used to make hardboard siding. Flat paints and exterior stains both water and solvent based are most susceptible.

Wax bleeding is more likely in thinly painted areas.