About Us

Proper Sealants Ltd

Family-run mastic and sealant contractor

Proper Sealants Ltd is a family-run mastic pointing and sealant contractor based in Bourne, Lincolnshire. We work with housebuilders, main contractors and private clients across Lincolnshire, Cambridgeshire, Northamptonshire, the Midlands, East Anglia, South East Midlands, Buckinghamshire and Oxfordshire, with selected projects in North London.

What we do

• Internal and external mastic pointing

• Air-test sealing

• Fire-rated sealant works to project specification

• Movement and expansion joints

• Cladding and façade sealing

• Swimming pool and leisure facility sealing, including steam rooms

• Sealant removal and replacement

• Domestic silicone replacement

How we work

We work to a bespoke-home standard of finish and use quality materials from trusted manufacturers such as Sika and Mapei.

We turn up when agreed, keep the work area tidy and communicate clearly from quotation to completion.

Our operatives are NVQ-qualified. Proper Sealants Ltd is fully insured and holds SMAS and CQMS accreditation.