Silicone Mastic Sealants

A mainstay in the joint sealing business for many many years, Silicone Sealants are the mastic man's first choice mastic sealant for both internal and external gaps and joints, as well as being the goto sealant for all other trades, the various MAF (movement accomodation factor), excellent tooling and finishing properties not to mention the amazingly huge colour choice, you'll find a high standard of silicone mastic sealants at Sealants Online for kitchens, bathrooms, brickwork, window frames and much much more.   

3C Firestop Silicone Sealant

3C Firestop Silicone Sealant

From £4.76 (inc VAT)
From £3.97 (exc VAT)
Dowsil 785 Sanitary Acetoxy Silicone

Dowsil 785 Sanitary Acetoxy Silicone

From £6.02 (inc VAT)
From £5.02 (exc VAT)
Dowsil 786 Food Grade Sealant

Dowsil 786 Food Grade Sealant

From £6.48 (inc VAT)
From £5.40 (exc VAT)
Dowsil Firestop 700 Silicone

Dowsil Firestop 700 Silicone

From £6.86 (inc VAT)
From £5.72 (exc VAT)
Everbuild Technic Fire Sealant 400

Everbuild Technic Fire Sealant 400

From £4.33 (inc VAT)
From £3.61 (exc VAT)