DESCRIPTION
The Problem
appears as a splotchy Dirt Collection. This discoloration can resemble
mildew growth, yet will not change color when washed with household
bleach.
POSSIBLE CAUSE
Stains
that came from waxy substances in the reconstitutes 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. In severe cases, substance can be felt with the fingers
as oily and waxy.
SOLUTION
- This discoloration can be identified by
applying household bleach to rule out possible mildew, tannin or
sulfide staining. The presence of wax will not be affected by bleach.
- Apply
a few drops of water to the board surface. If the water be ads up and
run off the board. A wax condition indicated and much be removed.
- Clean
the Surface with ProClean professional prep wash concentrate and scrub
brush or high-pressure water wash. Rinse thoroughly with plain water.
Rescrub areas where water continues to be ad up on the surface to
ensure that wax deposits are removed . Allow surface to dry thoroughly
before priming with A-100 Exterior Oil-Based Primer.
SYSTEM
EXTERIOR
- Primer if needed A-100 Exterior Oil Based Primer
- Caulk ProSelect 1550A, 1230A, 1100A, or Window & Door.
- Finish Refer to our Exterior Paint Rating Chart to determine which product best fits your needs.
- Suggested Finishes Duration , Superpaint, A-100, Woodscapes.