Roof Sealants

Suppose you need roof sealant for your next construction project. In that case, you can find options to suit all budgets and buildings when you browse our selection at Toolstation. Whether you’re looking for mastic sealant or bitumen sealant, we’ve got many products available from many trusted brands.

Mastic Sealant


Mastic is a popular and versatile sealant choice that works effectively as an adhesive in construction projects. Mastic sealant can be used to create a durable, flexible and waterproof seal on many different materials. Whether you’re working with ceramic tiles, metal, glass or timber, mastic sealant could suit your job.

Silicone Sealant


Silicone sealant is a durable and long-lasting adhesive that works well for many different construction applications. It is waterproof, resistant to chemicals, and retains its flexibility even under extreme temperatures. Silicone sealant quickly creates a water-tight seal around windows in your home, so you can ensure they remain weatherproof for years to come.
Everbuild Everbuild / Silicone 825 380ml Anthracite
( 224 )

£7.38

ex. VAT £6.15 Per unit £19.42/L

Product variations Select from 6 variations
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20+ available for delivery

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Soudal Soudal Soudal / Soudal Trade Lead Sheet Sealant 290ml Grey
( 42 )

£8.18

ex. VAT £6.82 Per unit £28.21/L

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20+ available for delivery

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Thompsons Thompsons / Thompsons Emergency Roof Seal 1L
( 80 )

£24.08

ex. VAT £20.07 Per unit £24.08/L

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20+ available for delivery

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Bostik Bostik / Bostik Pro S41 Window & Door Frame Silicone 310ml Clear
( 8 )

£8.98

ex. VAT £7.48 Per unit £28.97/L

Product variations Select from 3 variations
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20+ available for delivery

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Everbuild Everbuild / Window & Door External Frame Sealant 290ml White
( 334 )

£5.78

ex. VAT £4.82 Per unit £19.27/L

Product variations Select from 1 variation
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20+ available for delivery

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Soudal Soudal Soudal / Soudal Trade Roof & Gutter Sealant 290ml Black
( 136 )

£3.38

ex. VAT £2.82 Per unit £11.66/L

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Everbuild Everbuild / Silicone 825 380ml White
( 110 )

Product code: 85598

Silicone 825 380ml White

£7.38

ex. VAT £6.15 Per unit £19.42/L

Product variations Select from 6 variations
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20+ available for delivery

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Everbuild Everbuild / Window & Door External Frame Sealant 290ml Brown
( 280 )

£5.78

ex. VAT £4.82 Per unit £19.27/L

Product variations Select from 1 variation
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20+ available for delivery

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Bostik Bostik / Bostik Pro P26 Construction Polymer Sealant 290ml Black
( 1 )

£9.88

ex. VAT £8.23 Per unit £34.07/L

Product variations Select from 1 variation
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20+ available for delivery

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Bostik Bostik / Bostik Pro PU91 Polyurethane Construction Sealant 300ml Brown
( 34 )

£10.58

ex. VAT £8.82 Per unit £35.27/L

Product variations Select from 3 variations
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Out of stock for delivery

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Bostik Bostik / Bostik Pro S41 Window & Door Frame Silicone 310ml Anthracite
( 42 )

£7.99

ex. VAT £6.66 Per unit £25.77/L

Product variations Select from 3 variations
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20+ available for delivery

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Everbuild Everbuild / Silicone 825 380ml Brick Red
( 224 )

Product code: 70485

Silicone 825 380ml Brick Red

£7.38

ex. VAT £6.15 Per unit £19.42/L

Product variations Select from 6 variations
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20+ available for delivery

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Everbuild Everbuild / Silicone 825 380ml Buff
( 224 )

Product code: 93228

Silicone 825 380ml Buff

£7.38

ex. VAT £6.15 Per unit £19.42/L

Product variations Select from 6 variations
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14 available for delivery

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Bostik Bostik / Bostik Pro S41 Window & Door Frame Silicone 310ml White
( 42 )

£9.98

ex. VAT £8.32 Per unit £32.19/L

Product variations Select from 3 variations
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Bostik Bostik / Bostik Pro PU91 Polyurethane Construction Sealant 300ml Black
( 34 )

£10.58

ex. VAT £8.82 Per unit £35.27/L

Product variations Select from 3 variations
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Everbuild Everbuild / Glazing Silicone 295ml Clear
( 131 )

Product code: 54395

Glazing Silicone 295ml Clear

£8.28

ex. VAT £6.90 Per unit £26.71/L

Product variations Select from 2 variations
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Everbuild Everbuild Everbuild / Glazing Silicone 295ml Black
( 131 )

Product code: 56739

Glazing Silicone 295ml Black

£8.28

ex. VAT £6.90 Per unit £28.07/L

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Everbuild Everbuild / Silicone 825 380ml Mid Grey
( 224 )

Product code: 50660

Silicone 825 380ml Mid Grey

£7.38

ex. VAT £6.15 Per unit £19.42/L

Product variations Select from 6 variations
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Out of stock for delivery

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Evo-Stik Evo-Stik / Evo-Stik Trade Building Silicone 280ml Black
( 146 )

£11.58

ex. VAT £9.65 Per unit £41.36/L

Product variations Select from 2 variations
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20+ available for delivery

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Bostik Bostik / Bostik Pro PU91 Polyurethane Construction Sealant 300ml Grey
( 34 )

£10.58

ex. VAT £8.82 Per unit £35.27/L

Product variations Select from 3 variations
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20+ available for delivery

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Everbuild Everbuild / Glazing Silicone 295ml White
( 25 )

Product code: 50603

Glazing Silicone 295ml White

£8.28

ex. VAT £6.90 Per unit £26.71/L

Product variations Select from 2 variations
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20+ available for delivery

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Bostik Bostik / Bostik Pro PU91 Polyurethane Construction Sealant 300ml White
( 6 )

£10.58

ex. VAT £8.82 Per unit £35.27/L

Product variations Select from 3 variations
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20+ available for delivery

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Evo-Stik Evo-Stik / Evo-Stik Trade Building Silicone 280ml Grey
( 146 )

£11.58

ex. VAT £9.65 Per unit £41.36/L

Product variations Select from 2 variations
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20+ available for delivery

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Everbuild Everbuild / Silicone 825 380ml Black
( 224 )

Product code: 10882

Silicone 825 380ml Black

£7.38

ex. VAT £6.15 Per unit £19.42/L

Product variations Select from 6 variations
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Out of stock for delivery

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