Seal & finish all connecting joints & around fittings inside buildings


Designed for good adhesion, flexibility and durability, internal mastic joint sealants are used widely in all aspects of construction and maintenance to make airtight and secure seals between many structures on the inside of buildings where gaps, seams and connection joints occur. As opposed to low modulus sealants which rely on air moisture to fully cure them, internal mastic sealants are acetoxy-containing high modulus sealants which are especially capable when sealing around frames, fixtures & fittings and with the addition of anti-mould fungicide ...

3C Sealants GP Silicone General Purpose Sealant

3C Sealants
GP Silicone General Purpose Sealant

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from £2.28 inc. vat

3C Sealants HM Superior Mould Resistant Sanitary Silicone

3C Sealants
HM Superior Mould Resistant Sanitary Silicone

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from £3.10 inc. vat

3C Sealants Intumescent Acoustic Sealant

3C Sealants
Intumescent Acoustic Sealant

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from £2.15 inc. vat

3C Sealants Matt Silicone Premium Matt Finish Sealant

3C Sealants
Matt Silicone Premium Matt Finish Sealant

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from £6.86 inc. vat

3C Sealants Multi-Use Adhesive & Sealant

3C Sealants
Multi-Use Adhesive & Sealant

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from £4.38 inc. vat
3C Sealants Multi-Use Adhesive & Sealant Clear

3C Sealants
Multi-Use Adhesive & Sealant Clear

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from £4.78 inc. vat
3C Sealants Paintable Glazing Putty Hybrid Polymer

3C Sealants
Paintable Glazing Putty Hybrid Polymer

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from £6.11 inc. vat
3C Sealants Refill Reloadable Cartridge

3C Sealants
Refill Reloadable Cartridge

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from £2.04 inc. vat
3C Sealants Refill Sanitary Superior Mould Resistant Silicone

3C Sealants
Refill Sanitary Superior Mould Resistant Silicone

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from £3.00 inc. vat
Adshead Ratcliffe Arbo Arbokol 1000 Polysulphide

Adshead Ratcliffe Arbo
Arbokol 1000 Polysulphide

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from £8.64 inc. vat

Adshead Ratcliffe Arbo Arbosil 1071 Firestop Silicone Sealant

Adshead Ratcliffe Arbo
Arbosil 1071 Firestop Silicone Sealant

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from £9.73 inc. vat
Adshead Ratcliffe Arbo Arbosil HM High Modulus Sealant

Adshead Ratcliffe Arbo
Arbosil HM High Modulus Sealant

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from £3.84 inc. vat

Ardex ST Neutral Cure Silicone Sealant

Ardex
ST Neutral Cure Silicone Sealant

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from £12.62 inc. vat

C-TEC CT1 All in One Sealant & Adhesive

C-TEC CT1
All in One Sealant & Adhesive

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from £11.46 inc. vat

C-TEC CT1 BT1 The Ultimate Bathroom Sealant & Adhesive

C-TEC CT1
BT1 The Ultimate Bathroom Sealant & Adhesive

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from £11.28 inc. vat
DL Chemicals Parasilico AM85-1 RAL Silicone

DL Chemicals
Parasilico AM85-1 RAL Silicone

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from £4.99 inc. vat

DL Chemicals Parasilico Prestige Colour All-In-One Silicone

DL Chemicals
Parasilico Prestige Colour All-In-One Silicone

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from £9.05 inc. vat

DL Chemicals Parasilico Prestige Matt Silicone

DL Chemicals
Parasilico Prestige Matt Silicone

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from £9.05 inc. vat

Dow Dowsil 781 Medium-High Modulus Acetoxy Silicone Sealant

Dow Dowsil
781 Medium-High Modulus Acetoxy Silicone Sealant

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from £5.99 inc. vat

Dow Dowsil 784 Mildew-Resistant Glazing Silicone Sealant

Dow Dowsil
784 Mildew-Resistant Glazing Silicone Sealant

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from £6.70 inc. vat