Interior Internal Mastic Sealants

We stock a large selection of mastic sealants specifically for use internally, especially bathrooms, kitchens and wetrooms etc. Other internal sealing applications include window frames, door frames, around fixtures & fittings and floors, skirting boards. Internal interior sealants are usually suited to upvc, most plastics and most metals, wood, stone, ceramic and more (sometimes a primer is needed)  Internal (interior) mastic sealants manufactured by the most trusted names in the interior (internal) nastic sealant business, such as Dow Corning Geocel, Sika Everbuild, Otto-Chemie, Mapei, CT1, Adshead Ratcliffe Arbo, Tremco illbruck and more.   

3C Firestop Silicone Sealant

3C Firestop Silicone Sealant

From £6.07 (inc VAT)
From £5.06 (exc VAT)
Ardex ST Neutral Cure Silicone Sealant

Ardex ST Neutral Cure Silicone Sealant

From £12.62 (inc VAT)
From £10.52 (exc VAT)
Dow Dowsil 817 Mirror Adhesive

Dow Dowsil 817 Mirror Adhesive

£10.16 (inc VAT) per Tube
£8.47 (exc VAT)
Dowsil 785 Interior Acetoxy Silicone

Dowsil 785 Interior Acetoxy Silicone

From £5.94 (inc VAT)
From £4.95 (exc VAT)
Dowsil 786 Food Grade Interior Sealant

Dowsil 786 Food Grade Interior Sealant

From £10.48 (inc VAT)
From £8.73 (exc VAT)