One of the UK’s leading providers sealant services
Our expert sealant applicators provide high-quality mastic and sealant services across industries, ensuring precision, durability, and a flawless finish.
Internal and external window frames
Our highly qualified sealant applicators specialise in window sealant repair, ensuring a perfect finish around the perimeter of wooden, aluminium, and uPVC window frames.
Internal and external door frames
Expert sealant application for door frames in any range of materials. Our applicators utilise weatherproof and UV resistant products for exterior doors.
Glass to glass
Our expert team can bond glass pane joints together using products with high resistance to UV exposure and temperature fluctuations.
Skirting
We assist a wide range of businesses and properties that require expert, perfect-finish sealant to skirting boards, joints and architraves.
Expansion joints
Application of expansion joint sealant, designed to absorb impact and expand or contract across the building envelope without cracking or separating.
Acoustic sound proofing
Our acoustic sealant specialists will assist with the application of flexible, long-lasting sealant that doesn’t dry out or shrink and therefore can offer soundproofing qualities to any room for a lengthy period.
Air test jointing
If work is required following an air test, our expert applicators can assess the level of weakness identified and seal jointing appropriately to prevent air flow.
Fire proofing
Our team can apply fire-resistant sealants include technical specifications and fire protection capabilities to help prevent the spread of fire, smoke and toxic gases.
Lead work sealing
Whether it’s roofing joints, gutters, downpipes or venting, our expert applicators can seal lead into a range of materials including brick, stone or concrete.
Floor saw cut joints
We provide flexible sealant solutions for cut joints in a variety of locations including warehouses, forecourts, garages or anywhere concrete slabs are present.
Swimming pools
Qualified to work on both wet and dry areas within a sports complex, our applicators use swimming pool joint sealant and chlorine resistant sealant for pools, as well as antifungal silicone sealant for the surrounding area, changing rooms and more.
Caravan sealant
Instead of removing and replacing entire panels, our team uses a selection of acoustic sealants, clear sealants and specialist window frame sealants to provide a range of solutions which are highly in demand amongst commercial operators in the caravan industry .
Experienced Professionals with Decades of Expertise
Operating for over 50 years, SD are recognised as one of the UK’s largest finishing groups, with multiple offices across the UK. Providing an unrivalled service, SD’s reputation in the sealant industry has been built on providing an unmatched, efficient, meticulous and quality service to everyone we work with.
See our sealant services in action
Sealant application case studies
Sealant services FAQs
If you have any unanswered questions about our sealant services, please don’t hesitate to get in touch with us at any time – our team will be happy to help.
What types of sealant services do you offer?
We provide expert mastic and sealant application for commercial projects, including construction, marine, and insurance sectors. Services include glazing, fireproofing, expansion joints, acoustic sealing, and waterproofing.
Do you handle large-scale and specialist projects?
Yes, we specialise in large-scale commercial projects and specialist environments such as cleanrooms, laboratories, residential developments, swimming pools, and high-traffic areas, ensuring compliance with industry standards.
Do you offer fire-rated and acoustic sealant solutions?
Yes, we provide fire-resistant sealants to prevent the spread of fire, smoke, and toxic gases, as well as acoustic sealing to reduce noise transmission in commercial spaces.
Can you maintain or replace existing sealant?
Yes, we offer re-sealing and maintenance services to ensure sealants remain effective, preventing deterioration and maintaining structural integrity.
Let’s discuss your next project
Every project that comes through our doors goes through our technical team and allows us to provide bespoke solutions, to meet your exact needs. The first step is a conversation, so please get in touch to find out what the challenge is that you need us to solve.