12
Everflex 115 G.P Building Mastic White 285ml
SKU:
MASWE
Availability:
23
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Everbuild Everflex 115 GP Building Mastic 285ml – General Purpose Weatherproof Sealant
Get reliable, long-lasting sealing with Everbuild Everflex 115 GP Building Mastic, a traditional oil-based sealant designed for general pointing and sealing in construction.
This versatile mastic provides a durable, weatherproof seal while remaining flexible beneath the surface—making it ideal for low-movement joints where long-term performance is essential.
Key Features & Benefits
- Weatherproof Protection – Provides a reliable external seal against the elements
- Overpaintable Finish – Can be painted to match surrounding surfaces
- Excellent Adhesion – Bonds to brick, concrete, wood, metals, and more
- Flexible Core – Semi-drying formula remains permanently plastic beneath the surface
- High Gap-Filling Properties – Ideal for uneven joints and traditional construction
- Easy Application – Applied using a standard sealant gun for quick installation
Ideal Applications
Perfect for general building and maintenance work:
- Sealing around window and door frames
- Pointing brickwork and masonry joints
- Sealing cladding and panel joints
- Filling gaps in traditional construction materials
- Low-movement vertical joints in buildings
Why Choose Everflex 115 GP Building Mastic?
Unlike modern silicones, Everflex 115 is designed for traditional building applications, offering a semi-drying, flexible seal that moves with the structure while maintaining a weatherproof finish.
Its oil-based formulation and high solids content make it particularly effective for older buildings, external joints, and situations where a paintable finish is required.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Specification
Brand
Everbuild
Colour
White
Coverage
Approx 10 linear metres per cartridge
Curing rate
Normally 7 days, the mass below remaining plastic
Density
1.6 g/cm³ approx
Size
285ml
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