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Commercial Mastic & Sealant Contractors in North Wales, Wrexham & Deeside

Next Level Sealants is based in Liverpool and can quote for suitable commercial projects across Wrexham, Deeside, Queensferry, Buckley, Mold, Flintshire and North Wales. Scopes may include industrial floor joints, retail and construction packages, acoustic partitions and facade resealing. Travel, access, crew availability and programme are confirmed for each tender.

  • 100% Old Silicone Stripped Out (Never Capped)
  • 5.0★ on Google (54 Reviews) · LL11 Coverage
  • Exact Fixed Price Confirmed from Photos
  • Written 5-Year Domestic Guarantee (Free Returns)
12-Month Defects Liability PeriodRAMS & £10m Insured
Commercial mastic and sealant project from the Next Level Sealants portfolioCommercial Project Portfolio
North Wales · LL11Commercial Projects by Tender
Customer Rating
01

5.0 / 5 on Google

54 verified five-star reviews

Working Area
02

North Wales

Commercial projects by tender

Insurance
03

£5m & £10m Insured

Full public & employers' liability

Fair Pricing
04

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

CSCS - Construction Skills Certification Scheme
SSSTS - Site Supervisor Safety Training Scheme
IPAF - Powered Access (PAL Card) Certified
PASMA - Mobile Access Towers
IRATA - Industrial Rope Access Trade Association
NVQ L3 - Level 3 NVQ Diploma in Accessing Operations & Rigging

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 Experience

Your direct point of contact from quote to completion

22+ Years Trade Experience

· Grouting & Resealing

Trusted family & senior specialists on the tools alongside Liam

Certified & Fully Insured

· Domestic & Commercial

CSCS Gold, SSSTS, IPAF, PASMA, IRATA & NVQ L3 · £5m/£10m insured

Liam Harrison, Director and Lead Mastic Specialist at Next Level SealantsLiam · Next Level Sealants
Bathroom silicone sealing and tile regrouting by Next Level SealantsSilicone & Regrouting
Commercial mastic sealing by Next Level SealantsUK Commercial Sites

“Friendly, tidy and clearly takes a huge amount of pride in his work.”

54 Google reviews →

Commercial Projects in North Wales

For North Wales enquiries, we review project scope, drawings, access and programme before confirming mobilisation. Travel and access costs are included in the tender where applicable, with site-specific RAMS and insurance information available for agreed work.

Precision Workmanship · Direct With Liam

For commercial projects in North Wales, 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 North Wales

Commercial Sealant Services in North Wales

  • Industrial and warehouse floor slab joints on Deeside and Wrexham estates
    01
  • Commercial retail, office, education and healthcare fit-out mastic
    02
  • External facade, cladding and structural movement joints
    03
  • Acoustic partition and internal fit-out sealant packages
    04
  • New-build commercial and multi-plot construction packages
    05
  • High-level sealant work, subject to scope and access review
    06

Commercial Mastic Contractors · North Wales (LL11)

Commercial Mastic, Fit Out & Site Packages in North Wales

Our CSCS, CITB SSSTS, IPAF and PASMA certified team can quote commercial mastic packages for main contractors, site managers, developers and facilities teams in North Wales (LL11) and neighbouring Chester, Ellesmere Port, Heswall, Bebington. 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 · North Wales

Primary Postcode Area
LL11 & surrounding districts
GPS Coordinates
53.0466°N, 2.9917°W
Site Credentials
CSCS Gold · SSSTS · IPAF · PASMA · IRATA · NVQ L3
Nearby Coverage
Chester, Ellesmere Port, Heswall

What Our Customers Say

Read All 54 Reviews
Domestic

“Great service no mess and and really professional job would definitely recommend them”

Peter RuttledgeVerified Google Review
Domestic

“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%.”

Pierce O'CarrollVerified Google Review
Commercial / project bathrooms

“Top workmanship and quality job sealing bathrooms on one of our projects. Will definitely use again in future.”

Jaimie HartVerified Google Review

Selected Projects From Our Portfolio

Examples of completed work from our wider portfolio. The location for each project is shown on its card.

Common Questions in North Wales

Practical details on quoting from photos, 24-hour curing times, full strip-out prep, and our 5-Year Domestic Guarantee across North Wales and nearby areas:

Do you price commercial mastic packages in Wrexham, Deeside and Flintshire?+

Yes. Send project drawings, joint schedules, access details and programme requirements for review. We confirm mobilisation and tender suitability for each commercial scope.

All Sealant & Regrouting Services in North Wales

Explore our full range of specialist domestic silicone, shower restoration, and commercial mastic packages delivered across North Wales and surrounding postcodes.

View All Services

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.

Commercial Mastic in North Wales

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.

Expansion Joints in North Wales

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.

New Build in North Wales

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.

Rope Access (UK) in North Wales

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.

Façade & Cladding in North Wales

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.

Commercial Window & Curtain Wall in North Wales

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.

Concrete Floor Joints in North Wales

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.

Acoustic Sealant in North Wales

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

  1. 1Send photos2 or 3 photos of the job plus your postcode on WhatsApp
  2. 2Get a fixed priceExact all-inclusive quote agreed before you book — no callout fees
  3. 3We do the work100% strip-out, tidy finish, backed by our 5-year guarantee
Peter Ruttledge
“Great service no mess and and really professional job would definitely recommend them”
Fixed price agreed upfront5-Year Domestic Guarantee£5m & £10m insured5.0 / 5 (54 Google reviews)

Online Quote Request

Send your job details & photos

Photos welcome
Faster for home jobsOur preferred routeSend a few photos and your postcode straight to Liam on WhatsApp for the quickest fixed price. Tap here to message us now. Happy to use the form instead? Fill it in below.
02 · What type of job is it? *
03 · How should we reply to you? *

WhatsApp is our preferred way to reply for home jobs. It is the quickest route to a fixed price from your photos.

Tap or drag to attach job photosPhotos help us give you a fast, accurate price without a site visit

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Fastest for home jobs: WhatsApp photos and your postcode to 0151 453 5755