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Sealants & Adhesives

(62 products)

From heavy-duty construction adhesives to flexible, waterproof silicone sealants, our professional range delivers permanent bonding and superior weather protection for any site application.

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Sealants & Adhesives

A flawless finish and a durable build rely on superior bonding and watertight seals. At Electro South West Ltd, our comprehensive range of professional sealants and adhesives provides the high-performance chemistry required for secure construction, sanitary sealing, and heavy-duty site repairs.

Whether you are bonding heavy timber skirting boards with instant-grab construction adhesives or ensuring a watertight finish around UPVC window frames and bathroom sanitaryware with premium silicone sealants, our collection covers every application. We stock specialized formulations including expanding foams for deep gap filling, high-modulus polyurethanes for flexible structural joints, and acrylic decorators' caulk for a clean, paintable finish. To ensure precise, mess-free application, we highly recommend pairing these chemical solutions with our heavy-duty Caulking & Silicone Guns. For maximum efficiency on your next installation, seamlessly integrate our adhesives with our professional Fixings & Fasteners to create an unshakeable structural hold.

Frequently Asked Questions

What is the difference between a grab adhesive and standard wood glue?

Standard wood glues (like PVA) require the materials to be tightly clamped together for an extended period while the glue cures. Grab adhesives, on the other hand, are thick, high-tack construction formulations designed to hold heavy materials (like skirting boards, architraves, or wall panels) in place instantly upon contact, often eliminating the need for temporary supports or mechanical fixings while they dry.

Which type of sealant is best for bathrooms and wet rooms?

For areas exposed to high moisture and humidity, you must use a sanitary silicone sealant. These specific formulations contain powerful fungicides that actively resist mould and mildew growth over time. They also remain permanently flexible, allowing them to expand and contract with the slight thermal movement of baths and shower trays without breaking the waterproof seal.

Can I paint directly over silicone sealant?

No. Standard silicone sealants are designed specifically to repel water, which means both water-based and oil-based paints will simply bead up and slide off the surface. If you need to paint over a sealed gap (such as the join between a timber door frame and a plastered wall), you should use an acrylic-based decorators' caulk, which is specifically formulated to be fully paintable once cured.