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OnBuy.com£13.36Visit shop Everbuild External Frame Sealant Mould-Resistant Brown 290Ml Pack Of 3 5060923191877
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Everbuild External Frame Sealant is an essential choice for professional builders and DIY enthusiasts looking to secure window and door perimeters against the elements. This high-performance acrylic sealant offers a durable, permanently flexible barrier that adheres reliably to timber, metal, and PVCu frames, effectively preventing drafts and moisture ingress. While it excels in versatility and ease of application, users should note that as an acrylic-based product, it is best suited for joints with moderate movement rather than high-stress expansion gaps.
| Colour | Brown |
|---|---|
| Model Part Number | EVBEXTBR-QTY3 |
| Brand | Everbuild |
Yes, it is specifically formulated to adhere well to PVCu, as well as timber and metal.
Yes, it is designed for both internal and external sealing applications.
Skinning time is typically 15-30 minutes, but full cure depends on bead depth and environmental conditions.
Yes, once the sealant has fully cured, it can be painted with most standard decorative paints.
Yes, it contains a powerful anti-fungicide to prevent mould growth in humid or external conditions.
Ensure the cartridge is at room temperature and check that the nozzle is cut sufficiently.
This may occur if the joint movement exceeds the product's flexibility capacity; ensure the joint is not wider than recommended.
The product requires a dry period to cure; apply during a clear weather window or use temporary rain shielding.
Before application, ensure all surfaces are clean, dry, and free from grease or dust. Cut the nozzle to the desired bead size and apply the sealant into the joint. For optimal results, use masking tape on either side of the joint to ensure clean lines. The sealant is compatible with most common construction materials but should be tested on porous surfaces if unsure. Store cartridges in a cool, dry place away from frost. If the sealant is applied externally, ensure it has at least 24 hours of dry conditions to prevent the acrylic base from washing out before it sets.
