Skip to content
MENU

Your Account

Wishlist

Basket
Confidence builder icon

Next day delivery

Confidence builder icon

Largest building products ranges in the uk

Confidence builder icon

Trusted technical advice

Confidence builder icon

Need help? Browse our FAQ

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.

25-48 of 56 items
Evo-Stick Sticks Sh*t Clear - 3 x 290ml
BostikEvo-Stick Sticks Sh*t Clear - 3 x 290ml
£26.46
Inc VAT
£22.05
Ex VAT
Denso Paste - 2.5KG
DensoDenso Paste - 2.5KG
£38.10
Inc VAT
£31.75
Ex VAT
Densoseal 16A - CTN 8 x 1KG
DensoDensoseal 16A - CTN 8 x 1KG
£166.80
Inc VAT
£139.00
Ex VAT
Sikaflex Pro 3 Purform – CTN 20 x 600ml & Single
SikaSikaflex Pro 3 Purform – CTN 20 x 600ml & Single
From £10.68
Inc VAT
From £8.90
Ex VAT
Sikaflex 11FC Purform - 600ml & 300ml
SikaSikaflex 11FC Purform - 600ml & 300ml
From £13.26
Inc VAT
From £11.05
Ex VAT
Sikaflex 403 Tank & Silo - 600ml
SikaSikaflex 403 Tank & Silo - 600ml
From £12.90
Inc VAT
From £10.75
Ex VAT
Dowsil 791 Weatherproofing Silicone – CTN 12 x 310ml
DowsilDowsil 791 Weatherproofing Silicone – CTN 12 x 310ml
From £97.20
Inc VAT
From £81.00
Ex VAT
Dowsil 895 Structural Glazing Sealant 310ml – Single & CTN
DowsilDowsil 895 Structural Glazing Sealant 310ml – Single & CTN
From £20.58
Inc VAT
From £17.15
Ex VAT
Dowsil 785 Sanitary Silicone – CTN 12 x 310ml
DowsilDowsil 785 Sanitary Silicone – CTN 12 x 310ml
£86.40
Inc VAT
£72.00
Ex VAT
Dowsil C50 HM Silicone Sealant – CTN 12 x 310ml
DowsilDowsil C50 HM Silicone Sealant – CTN 12 x 310ml
£36.00
Inc VAT
£30.00
Ex VAT
Dowsil 786 Silicone Sealant – CTN 12 x 310ml
DowsilDowsil 786 Silicone Sealant – CTN 12 x 310ml
£94.32
Inc VAT
£78.60
Ex VAT
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
Dowsil 791 Weatherproofing Silicone – 600ml CTN & Singles
DowsilDowsil 791 Weatherproofing Silicone – 600ml CTN & Singles
From £13.80
Inc VAT
From £11.50
Ex VAT
Dowsil Firestop 700 - CTN 12 x 380ml
DowsilDowsil Firestop 700 - CTN 12 x 380ml
£115.20
Inc VAT
£96.00
Ex VAT
Soudaflex 40FC – 310ml & 600ml
SoudalSoudaflex 40FC – 310ml & 600ml
From £50.40
Inc VAT
From £42.00
Ex VAT
Fosroc Colpor 200PF Black - 5L
FosrocFosroc Colpor 200PF Black - 5L
£81.36
Inc VAT
£67.80
Ex VAT
Fosroc Flamex Two - 2.5L Tins
FosrocFosroc Flamex Two - 2.5L Tins
£106.32
Inc VAT
£88.60
Ex VAT
Fosroc Nitoseal MS300 - 600ml Grey
FosrocFosroc Nitoseal MS300 - 600ml Grey
£11.28
Inc VAT
£9.40
Ex VAT
Fosroc Nitoseal MS2 Primer - 750ml
FosrocFosroc Nitoseal MS2 Primer - 750ml
£73.14
Inc VAT
£60.95
Ex VAT
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
Fosroc Nitokit LV Basic Pack
FosrocFosroc Nitokit LV Basic Pack
£684.96
Inc VAT
£570.80
Ex VAT
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
Fosroc Primer 20 – 500ml & 5L
FosrocFosroc Primer 20 – 500ml & 5L
From £33.00
Inc VAT
From £27.50
Ex VAT
Fosroc Nitoseal PU800
FosrocFosroc Nitoseal PU800
£82.08
Inc VAT
£68.40
Ex VAT