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Joint Sealants

Explore the variety of joint sealants that we offer, whether you're looking for isocyanate sealant, polyurethane sealants, silicone sealants, rust inhibitors or anything else, we have the right products to suit your needs. With everything from primers to profiling, check out our full product range below to find out more.

Joint sealants for construction projects

Joint sealants play an important role in addressing an array of needs in construction. From creating watertight barriers to preventing corrosion and accommodating movement, our diverse selection means you can find the right sealant for any application and project.

Popular joint sealant products

Some of our most popular joint sealants and related products include Fosroc Flamex Two, Fosroc Colpor 200PF Black, Dowsil 895 and more.

49-63 of 63 items
Out of Stock
Bond It Roof Mate - CTN 6
Bond ItBond It Roof Mate - CTN 6
£19.98
Inc VAT
£16.65
Ex VAT
Out of Stock
Soudal Fix All High Tack – 12 x 290ml CTN
SoudalSoudal Fix All High Tack – 12 x 290ml CTN
£82.38
Inc VAT
£68.65
Ex VAT
In Stock
Fosroc Thioflex 600 Pouring Grade (Grey) - 5L
FosrocFosroc Thioflex 600 Pouring Grade (Grey) - 5L
£102.06
Inc VAT
£85.05
Ex VAT
In Stock
Soudaflex 40FC – 310ml & 600ml
SoudalSoudaflex 40FC – 310ml & 600ml
From £46.08
Inc VAT
From £38.40
Ex VAT
In Stock
Sikaflex 403 Tank & Silo - 600ml
SikaSikaflex 403 Tank & Silo - 600ml
£10.98
Inc VAT
£9.15
Ex VAT
In Stock
Dowsil 895 Structural Glazing Sealant 310ml – Single & CTN
DowsilDowsil 895 Structural Glazing Sealant 310ml – Single & CTN
From £20.70
Inc VAT
From £17.25
Ex VAT
In Stock
Fosroc Flamex Two - 2.5L Tins
FosrocFosroc Flamex Two - 2.5L Tins
£106.32
Inc VAT
£88.60
Ex VAT
In Stock
Denso Paste - 2.5KG
DensoDenso Paste - 2.5KG
£38.10
Inc VAT
£31.75
Ex VAT
In Stock
Dowsil 785 Sanitary Silicone – CTN 12 x 310ml
DowsilDowsil 785 Sanitary Silicone – CTN 12 x 310ml
£86.40
Inc VAT
£72.00
Ex VAT
In Stock
Densoseal 16A - CTN 8 x 1KG
DensoDensoseal 16A - CTN 8 x 1KG
£166.80
Inc VAT
£139.00
Ex VAT
In Stock
Dowsil 791 Weatherproofing Silicone – 310ml / 600ml CTN & Singles
DowsilDowsil 791 Weatherproofing Silicone – 310ml / 600ml CTN & Singles
From £13.80
Inc VAT
From £11.50
Ex VAT
In Stock
Dowsil C60 Low Modulus Silicone – CTN 20 x 380ml
DowsilDowsil C60 Low Modulus Silicone – CTN 20 x 380ml
£84.00
Inc VAT
£70.00
Ex VAT
In Stock
Dowsil 786 Silicone Sealant – CTN 12 x 310ml
DowsilDowsil 786 Silicone Sealant – CTN 12 x 310ml
£94.32
Inc VAT
£78.60
Ex VAT
In Stock
Dowsil C50 HM Silicone Sealant – CTN 12 x 310ml
DowsilDowsil C50 HM Silicone Sealant – CTN 12 x 310ml
£40.80
Inc VAT
£34.00
Ex VAT
In Stock
Dowsil Firestop 700 - CTN 12 x 380ml
DowsilDowsil Firestop 700 - CTN 12 x 380ml
£115.20
Inc VAT
£96.00
Ex VAT