
£7.20
Roof & Gutter Sealant is a durable, weatherproof hybrid polymer sealant offering long-term protection for roofs, gutters, cladding, and external jointing applications.
Roofer’s No.1 Roof & Gutter Sealant is engineered to deliver long-lasting, flexible weatherproofing in roofing and external building applications. Its hybrid polymer formulation provides strong adhesion to metals, masonry, plastics, and coated surfaces, making it ideal for sealing gutter laps, metal sheets, roofing joints, and cladding details.
The sealant offers excellent UV, moisture, and temperature resistance, maintaining elasticity under movement and preventing cracking or shrinkage. Supplied in 300 ml cartridges for easy application.
Cartridge Size: 300 ml
Material Type: Hybrid polymer sealant
Suitable Substrates: Aluminium, galvanised steel, brick, concrete, painted surfaces
Gutter seams and lap joints
Roofing joints and cracks
Sheet metal overlaps
Cladding and fascia interfaces

Roofer's No.1 offers a growing range of flat roofing essentials designed for practical use and dependable performance. From VCL systems and primers to all-in-one kits, these products are made to deliver results on-site without compromise.
