M62 Corridor · Commercial & Construction
Commercial Mastic & Sealant Contractors in Leeds
Next Level Sealants is based in Liverpool and can quote for suitable commercial projects across Leeds, Bradford, Wakefield, Huddersfield and West Yorkshire. Scopes may include curtain wall and cladding seals, concrete floor joints, acoustic mastic and high-level facade repairs. Availability, access, travel and programme are confirmed before a tender is agreed.
- 100% Old Silicone Stripped Out (Never Capped)
- 5.0★ on Google (54 Reviews) · LS1 Coverage
- Exact Fixed Price Confirmed from Photos
- Written 5-Year Domestic Guarantee (Free Returns)
Commercial Project Portfolio5.0 / 5 on Google
54 verified five-star reviews
Leeds
Commercial projects by tender
£5m & £10m Insured
Full public & employers' liability
Fair & Fixed Price
Quick quote by phone or message
Site Qualifications & Accreditations
Certified for domestic homes, commercial sites, powered access and high-rise rope access
Who You Are Dealing With
Deal directly with Liam.From first quote to finished job.
No call centres. No subcontracted strangers. From your first WhatsApp photo quote to the final tooled bead of silicone, Director Liam Harrison oversees your job personally. For specialist tile restoration, Liam works alongside family craftsmen with over 22 years on the tools—ensuring every joint is immaculate.
Liam
· Lead Mastic Specialist · 8 Years ExperienceYour direct point of contact from quote to completion
22+ Years Trade Experience
· Grouting & ResealingTrusted family & senior specialists on the tools alongside Liam
Certified & Fully Insured
· Domestic & CommercialCSCS Gold, SSSTS, IPAF, PASMA, IRATA & NVQ L3 · £5m/£10m insured
Liam · Next Level Sealants
Silicone & Regrouting
UK Commercial Sites“Friendly, tidy and clearly takes a huge amount of pride in his work.”
Commercial Coverage · LS1
Commercial Projects in Leeds
For Leeds and West Yorkshire projects, we review drawings, quantities, access and programme before confirming mobilisation. Quotes set out the scope and any travel or access costs, with site-specific RAMS and insurance documents available for the agreed work.
Precision Workmanship · Direct With Liam
For commercial projects in Leeds, you deal directly with Liam and our in-house team from scope review and tender through to the agreed site work. Call 0151 453 5755 to discuss a project.
Commercial Scope in Leeds
Commercial Sealant Services in Leeds
- Commercial internal fit-out, washroom and acoustic partition mastic01
- Concrete floor slab, warehouse and saw-cut expansion joint sealing02
- Curtain walling, commercial glazing and shopfront perimeters03
- External façade, brickwork and cladding panel movement joints04
- New-build apartment, student accommodation (PBSA) and hotel packages05
- IRATA Level 3 supervised rope-access high-level sealant repairs06
Commercial Mastic Contractors · Leeds (LS1)
Commercial Mastic, Fit Out & Site Packages in Leeds
Our CSCS, CITB SSSTS, IPAF and PASMA certified team can quote commercial mastic packages for main contractors, site managers, developers and facilities teams in Leeds (LS1) and neighbouring Manchester, Bolton, Preston, Warrington. We confirm crew availability, access, travel and programme against each project scope. Site RAMS, COSHH data sheets and insurance documents are available for agreed work.
High-Level Rope Access
Rope access is led by Jake Halewood, who holds a CSCS Gold Advanced Craft card, Level 3 NVQ Diploma in Accessing Operations and Rigging, IRATA qualification and GWO First Aid and Working at Height certification. Supervision and access arrangements are confirmed for each project.
Local Specification Summary · Leeds
- Primary Postcode Area
- LS1 & surrounding districts
- GPS Coordinates
- 53.8008°N, 1.5491°W
- Site Credentials
- CSCS Gold · SSSTS · IPAF · PASMA · IRATA · NVQ L3
- Nearby Coverage
- Manchester, Bolton, Preston
5.0★ Across 54 Google Reviews
What Our Customers Say
“Great service no mess and and really professional job would definitely recommend them”
“Not sure what to expect as you don’t have this kind of work done very often. Absolutely great experience and first-class workmanship. So pleased we chose this company. Would recommend 100%.”
“Top workmanship and quality job sealing bathrooms on one of our projects. Will definitely use again in future.”
Completed Work
Selected Projects From Our Portfolio
Examples of completed work from our wider portfolio. The location for each project is shown on its card.
Straight Answers · Local Advice
Common Questions in Leeds
Practical details on quoting from photos, 24-hour curing times, full strip-out prep, and our 5-Year Domestic Guarantee across Leeds and nearby areas:
Do you mobilise to Leeds and Yorkshire for commercial mastic contracts?+
We can consider suitable commercial packages across Leeds and Yorkshire. Crew availability, travel, access arrangements and dates are confirmed before a tender is agreed.
Can you price Leeds commercial packages from drawings and bills of quantities?+
Yes. Send your drawings, joint schedule or specification and programme dates and Liam will return a clear commercial tender.
Complete Trade Directory
All Sealant & Regrouting Services in Leeds
Explore our full range of specialist domestic silicone, shower restoration, and commercial mastic packages delivered across Leeds and surrounding postcodes.
Commercial Mastic
Subcontract commercial mastic and joint sealing packages across Greater Manchester, Liverpool, Cheshire, and nationwide. CITB SSSTS supervision, CSCS skilled cards, £10m liability insurance, and zero-defect first-time handover sign-offs for main contractors and QSs.
Expansion Joints
Movement joint sealing for commercial and industrial buildings. The sealant is selected to suit the joint, with backing rod and primer where the system requires it.
New Build
Sealant finishing for new-build sites, from plot snagging to phased programmes. We work to drawings and schedules, including Everton Stadium and Mooreside Place.
Rope Access (UK)
Specialist commercial rope-access mastic and high-level sealant repairs across the UK, including London. Delivered by an established qualified rope-access team under IRATA Level 3 supervision. Based in Liverpool.
Façade & Cladding
Commercial building-envelope mastic repairs across the North West and nationwide across the UK. Failed façade and cladding joints resealed; high-level work via our Rope Access service.
Commercial Window & Curtain Wall
Commercial window, curtain walling and glazing perimeter sealant repairs across the North West and nationwide across the UK. Failed perimeter sealant removed and replaced; no glazing or frame replacement.
Concrete Floor Joints
Commercial and industrial concrete floor slab, saw-cut induction joint, warehouse expansion joint and traffic-grade perimeter sealing across Liverpool, Manchester, Warrington, the North West and nationwide across the UK.
Acoustic Sealant
CSCS and SSSTS certified commercial acoustic and intumescent mastic sealing contractors across Liverpool, Manchester, the North West and nationwide across the UK for apartments, hotels, schools, healthcare and office fit-outs.
Ready When You Are
Tell us what needs doing. Get a clear quote.
Get a fair, fixed quote without the hassle of a home visit. Send 2 or 3 clear photos on WhatsApp or call Liam directly on 0151 453 5755. We confirm your price upfront with zero hidden call-out fees.
How your quote works
- 1Send photos2 or 3 photos of the job plus your postcode on WhatsApp
- 2Get a fixed priceExact all-inclusive quote agreed before you book — no callout fees
- 3We do the work100% strip-out, tidy finish, backed by our 5-year guarantee
“Great service no mess and and really professional job would definitely recommend them”
Online Quote Request