Wax Bleed On Siding

When the substrate is painted these staining substances bleed through the paint.

Wax bleed on siding.

These wax additives can bleed through low grade primers and paint causing dirt pickup mildew and poor adhesion. Stains that come from waxy substance in the reconstituted wood products used to make hardboard siding. An excessive amount of wax on the surface will cause the coating to peel down to the substrate. These staining substances bleed through the primer and paint possibly causing dirt pickup mildew and or poor paint adhesion.

Failing to apply the right primer to the hardboard before painting. 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. Flat paints and exterior stains both water and solvent based are most susceptible.

Stains that come from waxy substances in the reconstituted wood products used to make hardboard siding. These staining substances bleed through the primer and paint possibly causing dirt pickup mildew and or poor paint adhesion. Stains that come from waxy substances in the reconstituted wood products used to make hardboard siding. 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. Stains that come from waxy substance in the reconstituted wood products used to make hardboard siding. They can even bleed through some ordinary primers possibly causing dirt pickup mildew and or poor paint adhesion see dirt pickup and mildew. Wax bleed does not include paint discoloration.

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

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. Stains that come from waxy substance in the reconstituted wood products used to make hardboard siding. Wax bleeding is more likely in thinly painted areas. 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.

Applying a hard finish over a softer coat without priming or painting over a glossy surface without sanding.