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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
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
In Stock
Fosroc Colpor 200PF Black - 5L
FosrocFosroc Colpor 200PF Black - 5L
£81.36
Inc VAT
£67.80
Ex VAT
In Stock
Fosroc Nitokit LV Basic Pack
FosrocFosroc Nitokit LV Basic Pack
£684.96
Inc VAT
£570.80
Ex VAT
In Stock
Fosroc Nitoseal MS300 - 600ml Grey
FosrocFosroc Nitoseal MS300 - 600ml Grey
£11.28
Inc VAT
£9.40
Ex VAT
In Stock
Fosroc Nitoseal MS600 Grey – 600ml single & CTN 10
FosrocFosroc Nitoseal MS600 Grey – 600ml single & CTN 10
From £15.06
Inc VAT
From £12.55
Ex VAT
In Stock
Fosroc Nitoseal MS60 Grey – 600ml single & CTN 10
FosrocFosroc Nitoseal MS60 Grey – 600ml single & CTN 10
From £9.18
Inc VAT
From £7.65
Ex VAT
In Stock
Fosroc Primer 7E - 1L
FosrocFosroc Primer 7E - 1L
£33.96
Inc VAT
£28.30
Ex VAT
In Stock
Fosroc Nitoseal PU800
FosrocFosroc Nitoseal PU800
£82.08
Inc VAT
£68.40
Ex VAT
In Stock
Fosroc Thioflex 555 Hand Grade (Grey) - 5L
FosrocFosroc Thioflex 555 Hand Grade (Grey) - 5L
£135.96
Inc VAT
£113.30
Ex VAT
In Stock
Fosroc Thioflex 600 Gun Grade (Grey) - Fosroc - 2.5L
FosrocFosroc Thioflex 600 Gun Grade (Grey) - Fosroc - 2.5L
£35.88
Inc VAT
£29.90
Ex VAT
In Stock
Fosroc Primer 7 – 500ml & 5L
FosrocFosroc Primer 7 – 500ml & 5L
From £37.32
Inc VAT
From £31.10
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