Most drywall damage occurs when wallcovering is dry-stripped from the all or when mirrors and paneling glued directly to bare drywall are pulled away, taking the face paper with them.  The brown backing paper that remains is highly absorbent and will bubble and blister if water-base paint, joint compound or spackling are applied without first sealing it.   Follow the instructions below to repair damaged drywall using GARDZ^® High Performance Sealer.

Prepare the Surface:

Remove any wallcovering from the wall. (See: Remove Existing Wallpaper for more details). Next, remove any loose facing paper by cutting back to sound areas with a razor knife or sanding off using 80-grit sandpaper. To locate any invisible bubbles or blisters, tap the surface of wall with your fingernail. If you hear a flat, hollow sound the facing paper has separated and bubbled. Cut the sound paper around the bubbled area with a razor knife and pull the damaged paper off towards the cut for a clean, sound edge.

Appling GARDZ:

Make sure all floor areas adjacent to walls are protected with drop cloths. Apply one coat of

GARDZ liberally with a brush, medium nap roller or sprayer to the entire wall. When applying GARDZ with a roller, start from the bottom of the wall and press gently as you move the roller upward to prevent the sealer – which is very thin – from dripping onto the floor. GARDZ penetrates and seals the paper, drying to a rock-hard moisture-resistant. When dry, GARDZ should exhibit a uniform sheen. Excessively porous areas may have a dull appearance and should be given another coat of GARDZ. If the facing paper blisters again, cut out the blister and reapply product to exposed paper. Allow at least three hours dry time.

Apply skim coat of spackling or joint compound:

After GARDZ has completely dried, use a large (6” wide or bigger) spackling knife to apply a thin layer of READY PATCH Spackling & Patching Compound to create a smooth, uniform surface. Allow to dry completely before sanding smooth.

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