Professional Mastic Application Across the Midlands

We work with a wide range of sealants to suit different areas and project requirements, including:

  • Sanitary silicone for bathrooms and wet areas
  • Fire-rated sealants for passive fire protection
  • Air and gas sealing products where airtightness is required
  • Acoustic, polyurethane and expansion joint sealants for commercial and construction applications

Reliable Mastic Application Across the Midlands
Proper Sealants Ltd is a family-run business based in Bourne, Lincolnshire, supporting contractors and housebuilders across the Midlands with internal and external sealant works, air test sealing and fire mastic.

Family-run business
Based in Bourne, Lincolnshire
Covering the Midlands
NVQ qualified operatives
Fully insured
SMAS & CQMS accredited

Our sealant applicators work cleanly and efficiently, delivering a neat and consistent finish every time. We offer a range of colours and finishes to suit different project requirements, providing practical mastic and sealant solutions across a wide range of applications.

A selection of our past house plans and show homes.

We have contributed to several residential projects for leading developers such as Bellway, Linden Homes, and Bovis Homes.

The Willows Ancaster
 

We are proud to have delivered specialized sealing solutions for this premier residential development by Bellway Homes in the historic area of Ancaster.


 

Show Homes

As shown in the comprehensive site plan, we provided mastic application for an extensive range of premium 3 and 4-bedroom homes, ensuring consistent quality across the entire development.

The Atrium

We are currently delivering comprehensive mastic sealant services for Bovis Homes at the prestigious Overstone Leys (The Atrium) development in Northampton. This large-scale project involves a variety of high-end residential units, where precision and durability are paramount


 

Show Homes

Project Scope: Full internal and external mastic application across multiple plots, including specialized sealing for kitchens, bathrooms (bedroom one ensuites), and external facades (windows, doors, and expansion joints). + Air Test Mastic


 


 

Empowering Partnerships for a Brighter Future

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Telephone: +44 750 7394822

E-mail:   info@propersealants.com

Address: 169 Beech Avenue, Bourne, PE10 9RB, United Kingdom

©2025 Proper Sealants LTD .All rights reserved.

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