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Item #:
131403532
5 gal Zinsser 02300 Clear Zinsser, Gardz Water-Based Problem Surface Sealer
89% of respondents would recommend this to a friend
Item #:
131403532
MUR 12809
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Imported from USA store
Order now and get it around Saturday, October 03
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Zinsser gardz problem surface sealer is an interior sealer specifically designed to seal porous or problem areas such as stucco, uncoated wallpaper, texture finishes, plaster, cement, drywall, and more.
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What Stands Out
Seals Problem Surfaces
Effectively seals and primes problem surfaces like peeling paint and water stains, providing a reliable foundation for new finishes to adhere and enhancing overall durability.
Water-Based Formula
Easy to apply and clean up, this water-based sealer reduces harmful fumes and safety concerns, making it user-friendly and suitable for indoor and outdoor projects.
Versatile Application
Ideal for a variety of surfaces including drywall, plaster, and wood, ensuring a smooth and professional finish while adapting to different project needs.
Product Details
| Brand Name | Zinsser |
| UPC | 047719023005 |
| Number of Packs | 1 |
| Unit Count | 640 Fluid Ounces |
| Global Trade Identification Number | 00047719023005 |
| Number of Items | 1 |
| Included Components | Sealer |
| Item Type Name | Sealer |
| Manufacturer | Rust-Oleum Corporation |
| Model | 2300 |
| Part Number | 02300 |
| Item Weight | 44 pounds (19.96 kg) |
| Item Dimensions | 12.25 x 12.25 x 14.75 inches (31.1 x 31.1 x 37.5 cm) |
| Water Resistance Level | Water Resistant |
| Item Form | Liquid |
| Compatible Material | Finish |
| Style Name | Compact |
| Color | Clear |
| Surface Recommendation | Wall |
| Material Type | Plastic |
| Material | Plastic |
| Brand | Zinsser |
| Style | Compact |
| Item dimensions L x W x H | 12.25 x 12.25 x 14.75 inches (31.1 x 31.1 x 37.5 cm) |
Who Should Buy?
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Homeowners
Ideal for homeowners dealing with moisture and stains on walls, providing a strong barrier before painting.
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DIY Enthusiasts
Great for DIY projects, allowing users to effectively seal problem surfaces before applying finishes.
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Contractors
Recommended for contractors needing a reliable sealer for various surfaces to ensure long-lasting results.
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High Humidity Areas
Not suitable for areas with continuous high humidity, as it may not adequately address extreme moisture.
Product Description
5 gal Zinsser 02300 Clear Zinsser, Gardz Water-Based Problem Surface Sealer
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Customer Questions & Answers
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Question:
What surfaces can be treated with Zinsser Gardz Water-Based Problem Surface Sealer?
Answer: Zinsser Gardz is ideal for a variety of surfaces, including drywall, plaster, concrete, and previously painted surfaces. This versatility makes it an excellent choice for both interior and exterior applications. The water-based formula penetrates deeply to seal porous materials, preventing peeling and improving the adhesion of subsequent coatings. For instance, if you're preparing a wall with damaged drywall, Gardz helps create a smooth substrate for painting, ensuring a flawless finish. -
Question:
How does Zinsser Gardz work to prevent peeling paint?
Answer: Zinsser Gardz works by sealing porous surfaces, effectively locking in any loose material. This prevents moisture from penetrating the surface, which is a leading cause of paint failure and peeling. Unlike traditional primers, Gardz also acts as a barrier to prevent stains from bleeding through. For example, if you're working on a wall that has suffered from water damage, applying Gardz before painting can significantly enhance the durability of your new coat. -
Question:
Can I apply Zinsser Gardz over previously painted surfaces?
Answer: Yes, you can apply Zinsser Gardz over previously painted surfaces as long as they are clean, dry, and sound. The sealer helps to improve adhesion for new paint by sealing off the old finish and creating an optimal surface. This is especially useful in renovation projects where multiple layers of paint can cause issues. For example, applying Gardz before repainting can prevent peeling and ensure a uniform appearance. -
Question:
Is Zinsser Gardz suitable for exterior use?
Answer: Yes, Zinsser Gardz is suitable for exterior use. Its water-based formulation allows it to adhere effectively to various outdoor surfaces, providing a protective barrier against the elements. This is particularly beneficial in areas prone to moisture, as the sealer helps prevent damage from rain and humidity. Use Gardz on exterior walls before applying a new paint layer to improve longevity and resistance against peeling. -
Question:
What is the drying time for Zinsser Gardz?
Answer: Zinsser Gardz typically dries to the touch within 30 minutes to 1 hour, depending on environmental conditions like temperature and humidity. However, for best results, allowing a full curing time of 1-2 hours before applying a subsequent coat of paint is recommended. Quick drying makes it convenient for projects where time is of the essence, allowing you to proceed without long delays between steps. -
Question:
Can Zinsser Gardz be tinted?
Answer: Zinsser Gardz is generally not recommended for tinting as it’s designed to be clear. Its primary function is to seal and prepare surfaces without adding color, ensuring the integrity of your topcoat. However, if you have specific aesthetic needs, consulting with a professional painter can provide tailored advice on how to achieve your desired look while maintaining the protective qualities of Gardz. -
Question:
How do I apply Zinsser Gardz for the best results?
Answer: To apply Zinsser Gardz effectively, start by cleaning the surface to remove dust or debris. Use a brush, roller, or sprayer to apply a thin, even coat, ensuring to cover all areas thoroughly. For highly porous surfaces, a second coat may be necessary once the first is dry. Adequate preparation is key, as it promotes better adhesion for subsequent coatings, particularly on previously problematic surfaces. -
Question:
Is Zinsser Gardz environmentally friendly?
Answer: Zinsser Gardz has low volatile organic compounds (VOCs), making it a more environmentally friendly choice compared to traditional primers and sealers. This means it emits fewer harmful chemicals into the air, contributing to a healthier indoor environment. It's a suitable option for use in homes, schools, and other sensitive environments where air quality is a concern. Using Gardz can enhance the safety of your living space while effectively preparing surfaces. -
Question:
What types of projects can benefit from using Zinsser Gardz?
Answer: Zinsser Gardz can be beneficial for a wide range of projects, including residential renovations, commercial refurbishments, and new construction. It is particularly effective when addressing issues like water damage, smoke damage, or old paint layers in need of a refresh. For example, if you're transforming a bathroom with peeling paint, Gardz can help prepare the surface, ensuring that your new coat adheres well and lasts longer. -
Question:
Where can I buy 5 gal Zinsser 02300 Clear Zinsser, Gardz Water-Based Problem Surface Sealer?
Answer: You can purchase the 5 gal Zinsser 02300 Clear Zinsser, Gardz Water-Based Problem Surface Sealer at Ubuy Mauritania. Ubuy is an excellent platform for finding a wide range of products, including quality sealers like Gardz, ensuring that you receive reliable products for your home improvement projects.
Zinsser Sealers Editorial Review
5 gal Zinsser 02300 Clear Zinsser, Gardz Water-Based Problem Surface Sealer is an exceptional solution for repairing and preparing damaged walls. With its water-based formula, this sealer quickly adheres to a variety of surfaces, making it ideal for drywall restoration, especially after removing wallpaper. Users have praised its effectiveness in sealing ripped wallboard and tightening up porous MDF edges, ensuring a smooth finish for subsequent paint applications. The sealer is easy to apply and dries clear, allowing for efficient repairs without the mess of traditional primers. It significantly reduces the time and effort needed for wall repairs, making it a favorite among DIY enthusiasts.
Customer Reviews & Ratings
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Pros
- Water-based formula is easy to apply
- Dries clear for seamless repairs
- Effectively seals ripped wall surfaces
- Works well for MDF edge sealing
- Recommended by DIY YouTubers
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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MUR 12809
Order now and get it around Saturday, October 03
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Features & Benefits
- Creates moisture-proof film on surfaces
- Strengthens soft texture finishes and binds chalky surfaces
- Covers up to 2250 sq ft and dries within an hour
- Unique coating seals adhesive residue and protects drywall
- Produces a flat finish for topcoat application
- Low odor formula for interior use
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