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 £3.68 (inc VAT)
From £3.07 (exc VAT)
Dowsil 784 Interior Silicone Sealant

Dowsil 784 Interior Silicone Sealant

From £4.56 (inc VAT)
From £3.80 (exc VAT)
Dowsil 817 Mirror Adhesive White

Dowsil 817 Mirror Adhesive White

£7.34 (inc VAT) per Tube
£6.12 (exc VAT)
Geocel HM Interior Silicone Sealant

Geocel HM Interior Silicone Sealant

From £5.18 (inc VAT)
From £4.32 (exc VAT)