Seal & finish internal joints with good movement resistance


There always seems to be much confusion over what exactly High Modulus means in the world of mastic sealants so, just for the record, we'll explain briefly......."High modulus" typically refers to a material's high modulus of elasticity or Young's modulus. Modulus of elasticity is a measure of a material's stiffness or rigidity, indicating its ability to deform under stress. It is represented by the letter E in engineering equations. High Modulus (HM) mastic sealants are formulated to resist movement better (compared to low modulus), be rigid, hard-wearing, usually cure via acetoxy or similar ...
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 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 Arbomeric MP20 HM Modified Polymer Sealant

Adshead Ratcliffe Arbo
Arbomeric MP20 HM Modified Polymer Sealant

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from £8.24 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

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

Dow Dowsil 785 Sanitary Acetoxy Silicone Sealant

Dow Dowsil
785 Sanitary Acetoxy Silicone Sealant

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from £6.86 inc. vat

Dow Dowsil 786 Food Grade Silicone Sealant

Dow Dowsil
786 Food Grade Silicone Sealant

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from £10.48 inc. vat

Dow Dowsil C50 Premium HM Internal Silicone Sealant

Dow Dowsil
C50 Premium HM Internal Silicone Sealant

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from £3.30 inc. vat

Geocel HM Internal Silicone Sealant

Geocel
HM Internal Silicone Sealant

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from £2.92 inc. vat

Mapei Mapesil AC Eco Mould Resistant Silicone

Mapei
Mapesil AC Eco Mould Resistant Silicone

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from £9.10 inc. vat

Mapei Mapesil AC Mould Resistant Silicone

Mapei
Mapesil AC Mould Resistant Silicone

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from £9.10 inc. vat

Mapei Mapesil AC SC Mould Resistant Silicone

Mapei
Mapesil AC SC Mould Resistant Silicone

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from £9.10 inc. vat

OTTO-CHEMIE OTTOSEAL S100 Premium Bathroom Silicone

OTTO-CHEMIE
OTTOSEAL S100 Premium Bathroom Silicone

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from £7.09 inc. vat

OTTO-CHEMIE OTTOSEAL S105 HM Bathroom Silicone

OTTO-CHEMIE
OTTOSEAL S105 HM Bathroom Silicone

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from £5.21 inc. vat