Please help. The description says Rustoleum 02304 problem surface sealer, 1-quart, clear, but the picture shows Gardz. Which is it? Thanks!

Gardz is a Zinsser product which is a subset of Rustoleum. It's the same thing that is pictured. https://www.rustoleum.com/product-catalog/consumer-brands/zinsser/primer-sealers/gardz-problem-surface-sealer/

I am reading about people skimcoating the walls after removing wallpaper before applying Gardz. Is this necessary if I have just patched the holes?

This stuff is great. We removed wallpaper and had wall damage. We Gardz coated after sanding, then skim coated, then Gardz again. The paint went on beautifully and the wall texture is very even, hiding damage, wall compound, EVERYTHING. It is quite thin so careful about drips!

would this product seal and water-proof plaster and concrete planters? I am looking for a true clear sealer that does not yellow.

I don't think so, this product is more about helping paint adhere to wallpaper paste and other problem surfaces no waterproofing claims are made.

When comparing prices, I noticed on the home depot site that there is a choice between finishes-- flat/matte or gloss. Which finish is this?

I used this product on torn drywall to seal it after wallpaper had been removed. It dries clear with an essentially matte finish, MN maybe a slight sheen, but again, I used it on torn drywall. With that being said, the product worked wonders to seal all the exposed paper and I was able to then patch and paint the walls

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GARDZ Problem Surface Sealer

Product ID: 7854960

Details

Brand
Zinsser
Item Weight
10.4 ounces
Item dimensions L x W x H
6.75 x 6.75 x
Material
Paper
Style
Compact

⚡Fast drying, ready-to-paint finish

💧Water-resistant, moisture-proof film

🛠️Seals & strengthens damaged drywall

1102181Fr

Duties & taxes included

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Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Seal the deal on damaged walls—because your space deserves flawless!

INVISIBLE PROTECTION - Dries clear matte for a smooth, paintable finish that hides imperfections
SPEEDY DRY PAINT READY - Fast drying formula means less wait, more progress on your projects
LOCK DOWN PROBLEM SURFACES - Seals torn paper, old wallpaper adhesive & crumbling drywall for a flawless base
LOW ODOR HIGH PERFORMANCE - Water-based and low odor for a professional-grade experience indoors
HIGH SPREAD RATE EFFICIENCY - Covers more surface with less product—smart, economical sealing

Zinsser Gardz Problem Surface Sealer is a clear, water-based interior sealer designed to penetrate and lock down porous, damaged, or chalky surfaces like drywall, wallpaper adhesive, and plaster. It dries fast to a moisture-resistant, matte finish that’s ready for painting, making it an essential tool for professionals and DIYers aiming for a smooth, durable wall surface.

Specifications

ASIN	B002OFHEG2
Best Sellers Rank	#2,630 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Hardware Sealers
Brand	Zinsser
Brand Name	Zinsser
Color	Clear
Compatible Material	Paper
Customer Reviews	4.6 out of 5 stars 3,504 Reviews
Global Trade Identification Number	00047719023012
Included Components	Sealer
Item Dimensions	6.75 x 6.75 x 7.65 inches
Item Form	Liquid
Item Highlight	Zinsser Gardz problem surface sealer, 1 Gallon. Clear water-base sealer hardens & seals damaged drywall, torn paper.
Item Type Name	Sealer
Item Weight	10.4 ounces
Item dimensions L x W x H	6.75 x 6.75 x 7.65 inches
Manufacturer	Rust-Oleum Corporation
Material	Paper
Material Type	Paper
Model	2301
Number of Items	1
Number of Packs	1
Part Number	02301
Style	Compact
Style Name	Compact
Surface Recommendation	Drywall,Walls
UPC	047719023012
Unit Count	1 Count
Water Resistance Level	Water Resistant

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