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Item #:
92344876
Rain Guard Water Sealers CR-0608 Blok-Lok Concentrate Sealer Covering Up to 750 Sq. Ft. on All Block Surfaces. 1 Quart Clear Penetrating Silane and
Item #:
92344876
USD 121
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, September 16
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What Stands Out
Superior Protection
Blok-Lok provides long-lasting water resistance, preventing moisture infiltration and damage to block surfaces, ensuring increased durability and protection against the elements.
Wide Coverage
Covers up to 750 sq. ft., allowing for extensive treatment of block surfaces with just a single quart, making it efficient and cost-effective for large projects.
Professional Grade
Designed for professional use, this penetrating silane and siloxane formula ensures deep penetration for enhanced effectiveness, suitable for both DIY enthusiasts and contractors.
Product Details
- Rain Guard Water Sealers CR-0608 Blok-Lok Concentrate Sealer Covering Up to 750 Sq. Ft. on All Block Surfaces. 1 Quart Clear Penetrating Silane and Siloxane Professional Grade.
| Brand Name | Rain Guard Water Sealers |
| UPC | 660041999314 |
| Unit Count | 32 Fluid Ounces |
| Global Trade Identification Number | 00660041999314 |
| Number of Items | 1 |
| Included Components | 1 Liquid Gallon |
| Manufacturer | Rainguard International |
| Model | CR-0608 |
| Part Number | CR-0608 |
| Item Weight | 2 pounds (910 grams) |
| Water Resistance Level | Water Repellent |
| Item Form | Spray |
| Compatible Material | Metal |
| Style Name | 32 oz Concentrate |
| Color | Clear Invisible |
| Surface Recommendation | Metal |
| Material Type | Silane/Siloxane |
| Material | Silane/Siloxane |
| Brand | Rain Guard Water Sealers |
| Style | 32 oz Concentrate |
What's in the box
1 Liquid Gallon
Who Should Buy?
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Homeowners
Ideal for homeowners seeking effective waterproofing solutions for their block surfaces, enhancing durability and lifespan.
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Contractors
Professional contractors can benefit from its easy application and effective sealing performance on various block surfaces.
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Maintenance Workers
Maintenance staff can use this sealer to protect outdoor structures from moisture, extending the life of building materials.
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Indoor Use
Not suitable for indoor applications as it’s designed primarily for exterior block surfaces subjected to weather.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What surfaces can I use Rain Guard Water Sealers CR-0205 Blok-Lok on?
Answer: Rain Guard Water Sealers CR-0205 Blok-Lok is ideal for use on all types of block surfaces, including concrete, bricks, and masonry. This versatility makes it perfect for both indoor and outdoor applications, providing a protective barrier against moisture and environmental elements. Whether you're sealing a basement wall or an outdoor patio, this sealer offers reliable protection and helps prolong the lifespan of your surfaces. -
Question:
How much area does one 5-gallon container cover?
Answer: One 5-gallon container of Rain Guard Water Sealers CR-0205 Blok-Lok can cover up to 750 square feet, making it an efficient choice for larger projects. This coverage allows you to tackle extensive sealing jobs without needing multiple containers, which can save you time and effort. Whether it's a big block wall or several small surfaces, one container is often sufficient for most sealing tasks. -
Question:
Is Rain Guard Water Sealers CR-0205 Blok-Lok safe for the environment?
Answer: Yes, Rain Guard Water Sealers CR-0205 Blok-Lok is designed with environmental safety in mind. It is a clear penetrating silane formula that does not contain harmful solvents, making it safer for both users and the environment. This makes it an excellent choice for those who prioritize eco-friendly products while still needing effective sealing for their block surfaces. -
Question:
How do I apply the Rain Guard Water Sealers CR-0205 Blok-Lok?
Answer: Application of Rain Guard Water Sealers CR-0205 Blok-Lok is straightforward. Clean your block surface thoroughly to remove dirt and grime, then apply the sealer using a sprayer, roller, or brush. Ensure even coverage to maximize its effectiveness. Typically, two coats are recommended for optimal protection, especially in areas exposed to high moisture. This method not only enhances durability but also improves the final appearance of the surface. -
Question:
How long does it take for the sealer to dry?
Answer: The drying time for Rain Guard Water Sealers CR-0205 Blok-Lok typically ranges between 24 to 48 hours, depending on environmental conditions like temperature and humidity. It's important to avoid heavy foot traffic on the sealed surface during this period. Proper drying ensures that the sealer fully penetrates and adheres effectively, providing better long-term protection against water damage. -
Question:
Can I use this sealer indoors?
Answer: Absolutely! Rain Guard Water Sealers CR-0205 Blok-Lok is suitable for indoor use as well as outdoor applications. Its clear penetrating formula minimizes surface appearance changes while effectively blocking moisture. This makes it ideal for indoor spaces like basements or laundry rooms where moisture barriers are crucial for preventing mold and mildew growth. -
Question:
What is the main benefit of using a penetrating silane sealer?
Answer: The key benefit of using a penetrating silane sealer like Rain Guard Water Sealers CR-0205 Blok-Lok is its ability to penetrate deep into the substrate, creating a long-lasting water repellency that is far superior to surface-applied sealers. This penetrative quality allows for effective moisture control, which protects against water infiltration and extends the life of your block surfaces. -
Question:
Can I paint over the sealer once it dries?
Answer: Yes, once Rain Guard Water Sealers CR-0205 Blok-Lok has fully dried, you can paint over it. The sealer creates a compatible surface for various paint types without compromising the water-repellent properties. This feature is particularly useful for homeowners looking to enhance the aesthetic appeal of their block surfaces while maintaining effective moisture protection. -
Question:
How does this product compare to other sealers on the market?
Answer: Rain Guard Water Sealers CR-0205 Blok-Lok stands out due to its unique penetrating silane formula that not only provides superior water resistance but also allows moisture to escape from within the blocks. This is a key advantage over traditional surface sealers that can trap moisture, leading to damage. This feature ensures enhanced durability and performance, making it a preferred choice for many homeowners. -
Question:
Where can I buy Rain Guard Water Sealers CR-0205 Blok-Lok in Zimbabwe?
Answer: You can conveniently purchase Rain Guard Water Sealers CR-0205 Blok-Lok from Ubuy, an online marketplace that provides a wide range of quality products. Ubuy offers easy access to this effective sealer, making it a reliable choice for those looking to protect their block surfaces from moisture damage.
Rain Guard Water Sealers Sealers Editorial Review
The Rain Guard Water Sealers CR-0608 Blok-Lok Concentrate Sealer has elicited a varied response from customers eager to protect their masonry surfaces. Overall, many reviewers commend the sealer for its effectiveness in preventing water leaks, particularly on brick chimneys and block foundations. Customers noted that it performed well in heavy rain conditions and outshined competitors like Thompson’s Water Seal in terms of reliability. The concentrated formula has been appreciated for allowing users to mix only what is necessary, leading to a reduction in waste. However, there are some notable drawbacks. A few users reported issues with application, with comments about the product's watery Consistency requiring a spray application rather than a roller, which some found inconvenient. Additionally, experiences with product quality have been inConsistent, with one reviewer expressing disappointment due to a perceived lack of effectiveness in water repellency, even after multiple coats. There were also complaints regarding clogging in sprayers and challenges with overspray cleanup. While many customers affirm the sealer's performance in the short term, there are mixed sentiments about long-term effectiveness, with some remarks indicating uncertainty about the product's lasting value.
Customer Reviews & Ratings
68 customers ratings
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5 Star
57%
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4 Star
17%
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3 Star
13%
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2 Star
6%
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1 Star
7%
Review this product
Share your thoughts with other customers
Pros
- Effective at sealing against water leaks, particularly in heavy rain.
- Higher performance perceived compared to Thompson's Water Seal.
- Concentrated formula allows for mixing, minimizing waste.
Cons
- Watery Consistency requires spraying, which some users found inconvenient.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 121
Order now and get it around Wednesday, September 16
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Long-lasting protection for porous surfaces.
- Formulated with trusted silanes and siloxanes.
- Creates a hydrophobic barrier resistant to weathering and damage.
- Minimizes efflorescence and lime buildup.
- Easy cleanup with soap and water after application.
- Available in ready-to-use and concentrate formulations.
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