Sealant Expert Hampshire & Sussex Mastic Man

When it comes to repairing damaged surfaces in your property, Sealant Expert is the company to trust. Our mastic man in Hampshire, Sussesx and South London offer years of industry experience, ensuring that all your work is done efficiently, safely, and at a price customers can appreciate.

Using high quality sealant applicators for all our clients, our mastic man is certain to deliver top end results that look good as well as offering long lasting repairs and results.

  • Expertise you can trust
  • Quality that speaks for itself
  • Dedicated to your satisfaction
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sealing of sink by mastic man South London

When people choose Sealant Expert for their mastic man services in Hampshire, Sussex or South London, they know they are working with a company they can trust. We know how important structural and property repairs are, which is why people chose us for flooring sealant work, window frame sealant projects, and essential external waterproof sealant application at their premises.

Our years of industry experience ensures that our mastic man services right across London, from windows sealant to door sealant work and more, are backed by our professional guarantee, giving peace of mind to all our clients.

  • Sealant solutions that last
  • Experienced professionals at your service
  • Competitive pricing without compromise
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sealing of stairs by mastic man South London

At Sealant Expert, we make each project our focus, and make each customer our priority. Our mastic man services in Hampshire, Sussex and South London offer a wide range of options, from sealant applicators to critical bathroom silicone sealant in South London flats, and so much more.

Alongside the proven track record of results that our mastic man boasts, our customer service is second to none, setting industry standards. Working closely with customers, we discuss the most beneficial options and deliver appropriate results.

  • Precision in every detail
  • Innovative approach to every project
  • Customer-centric service that exceeds expectations
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sealing of tails by mastic man South London
Devprasad DeivaDevprasad Deiva
12:39 03 Jan 24
I have been using their services for over five years and have always been impressed with the quality of their work. They are always prompt to respond to any questions or concerns.
Kris SzymanskiKris Szymanski
17:45 04 Dec 23
Recently worked with them and it was a great experience. The team was professional, delivered quality work within the timeline, and communication was top-notch. Highly recommend!
12:33 13 Nov 23
I had some really tricky mastic sealant work that needed to be done, and I was worried no one would be able to handle it. They did an incredible job!
edward bullockedward bullock
17:02 13 Oct 23
Sealant Expert Hampshire & Sussex Mastic Man is an exceptional building firm. Their attention to detail and professionalism stood out. The quality of their work deserves a solid 5/5 stars. Highly recommend for any construction or sealing needs!
jan pullenjan pullen
17:57 05 May 23
Excellent service from Peter on resealing my shower. Quick to respond to my text and pop round and did the job straight away ,plus leaving the area very clean afterwards. Would definitely use him again. Many thanks .
Josh FitchJosh Fitch
19:18 30 Nov 21
My local mastic sealant contractors in Bognor Regis are superb. They provide a wide range of mastic man services at really reasonable prices, can’t complain.
Martin RogienMartin Rogien
13:10 23 Aug 21
After some storm damage I needed some fairly important windows sealant and door sealant work to be done at my house in Bognor Regis. Called this company, got them on site quickly, and after no time at all, everything was done, highly recommended.
Kromo NoiseKromo Noise
14:50 04 Jul 21
I hired this mastic man in Bognor Regis to do door sealant and window sealant at my B&B, and am glad to say I received excellent customer service and good results.
Sai VenkatSai Venkat
20:11 26 May 21
I’ve used this mastic man team in Bognor Regis a few times now and I cannot recommend them enough, great service and outstanding results every single time. Add to this their reasonable prices and you will see why I use them.
Sienna Mae YatesSienna Mae Yates
19:37 20 Oct 20
Some cracked wood meant I needed some windows sealant at my Bognor Regis B & B, and this local company was on site quickly, job done, and at a price I was happy to pay. Great work all round.

All our mastic man services

External & Internal Door

Looking for reliable sealant services for your external or internal doors? Look no further than our expert mastic applicators, who deliver precision and durability in every project.

Window Frame

Ensure your windows are properly sealed and protected with our professional window frame sealant services. Our skilled team delivers quality and affordability to both commercial and residential clients.


Upgrade your kitchen or bathroom with our expert silicone sealant application services. Our experienced team provides a seamless and waterproof finish that meets industry standards.

Bathrooms Silicone

Our skilled team specializes in delivering expert silicone sealant application services for bathrooms, ensuring a waterproof and seamless finish that meets industry standards. Trust us to deliver precision and affordability for both commercial and residential clients.


Our skilled mastic applicators deliver reliable and competitive flooring sealant services for a range of surfaces, from tiles to hardwood, ensuring durability and precision.

Expansion Joints

Protect your building against the elements with our expert expansion joint sealant services. Our experienced team delivers a precise and effective seal for both commercial and residential clients.

Glass to Glass

Our skilled team delivers expert glass to glass sealant application services, ensuring a seamless and durable finish that meets industry standards.

Swimming Pool Sealant

Our specialized swimming pool silicone sealant application services ensure a waterproof and long-lasting finish that meets industry standards. Trust our skilled team to deliver precision and quality.

Application of Air Test

Ensure your building is properly sealed against air leaks with our reliable air test sealant application services. Our mastic applicators deliver precision and affordability to both commercial and residential clients.

Refurbishment or New Build

Whether you're renovating or building from scratch, our expert sealant application services cater to a range of industries and surfaces. Trust our skilled team to deliver quality and affordability.

Hospitals, Hotel, Office

Our sealant contractors specialize in delivering high-quality and reliable sealant services for a range of industries, from hospitals to hotels and offices. Trust our skilled team to deliver precision and durability.

Cut Out & Reseals

Need a reliable cut out and reseal service? Our experienced team delivers precision and quality for a range of surfaces, ensuring a long-lasting and effective seal.

We Work anywhere in

  • Hampshire
  • West Sussex
  • Suessex
  • Surrey
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