Viper
Viper VaporCheck Mastic - Full Range
Viper VaporCheck Mastic - Full Range
SKU:VPMST28OZ
Est Delivery between 6th Feb and
12th Feb.
How much will I need?
How much will I need?
We recommend adding 10% of additional product to the calculation to account for errors, damages, and obstacles in your project
Couldn't load pickup availability
- Shipping protection for peace of mind
- Fast processing and delivery
- Flexible delivery options
Product Information
VaporCheck Mastic is a single component, trowel grade, polymer modified, water based emulsion designed as a waterproofing and vapor barrier. VaporCheck Mastic cures to form a tough, seamless, elastomeric membrane, which exhibits excellent resistance to moisture and vapor transmissions. VaporCheck Mastic has been specifically formulated to act as a waterproofing and vapor barrier for use in conjunction with Viper under-slab vapor barriers. VaporCheck Mastic is applied by trowel or putty knife to and around penetrations through Viper underslab vapor barriers. It may also be applied to exterior vertical or horizontal surfaces of cast-in-place concrete, concrete masonry units, wood, metal, foam, OSB and ICFs. VaporCheck Mastic is suitable for both new and retrofit construction.
VaporCheck Mastic is a latex modified asphalt clay emulsion with polymers and colloids to formulate a waterproof coating. VaporCheck Mastic is 100% free of asbestos, VOCs and HAPs.
Technical Specifications
| Brand | Viper |
| Density | 8.1 lbs/gallon (0.92 g/cm²) |
| Elongation | ASTM D 412-98 >1800% |
| Ph | > 9.5 |
| Tensile strength | 41.3 psi (284.75 kPa) |
Datasheets
Delivery Information
Est Delivery between 6th Feb and
12th Feb.
Delivery will always take place on a weekday (Mon - Fri excl. public holidays).
An exact shipping charge will be calculated at checkout based on your order and location.
For more information on shipping view our delivery info page.
Frequently asked questions
Can you help me pick the right materials for my project?
Yes, of course!
Our team is ready to assist you with any questions and queries you may have.
Just reach out to us via any of the following methods:
Call us: 281-657-1443
Email us: sales@4us-group.com
or click the Livechat tab at the bottom of your screen.
How do I track my order?
As soon as your order is dispatched, you'll receive a dispatch email with delivery dates and details for your order.
If you require an update on your order, you can email deliveries@4us-group.com with your order number for assistance.
Can I order now and pay later?
Yes, we offer a variety of flexible payment options to all our customers.
When checking out online, you'll be able to avail of multiple buy now, pay later options with ShopPay, Klarna or PayPal.
The flexible payment options available to you at checkout will be based on the total value of your order.
For B2B customers, you can apply for a 30-day trade credit account, and you'll also unlock:
- Dedicated trade pricing
- Loyalty points and rewards
- A dedicated account manager
I have a large-scale project, can I get a quote?
Yes, if you are carrying out a construction project that requires a large quantity of materials, email sales@4us-group.com with the following information and we will get back to you with your very own bespoke price quote:
- Delivery postcode and address
- Mobile number
- Company name
- A list of required materials and their quantities
Can I open a pro contractor account?
Yes! Pro contractors can open a B2B account to unlock bespoke pricing, B2B discounts, trade credit, loyalty points, and a dedicated personal account manager.
You can learn more here: Open a pro contractor account
Can I cancel or amend my order after placing it?
Yes, if your order has not yet been processed for dispatch, cancellation/ amendments should be possible.
Our team works quickly to get your order delivered as soon as possible so it is likely that your order will be processed for dispatch within 2-3 hours of purchase.
Contact us immediately via sales@4us-group.com or call 281-657-1443 during opening hours.
If you wish to amend your order after it has been processed by our team, it will be treated as a return or a separate new order.
Read more: Returns