The Mastic Doctor team standing beside their branded vans outside an office building
Dumfries and Galloway · Scotland

Industrial and floor joint sealing in Stranraer, Dumfries and Galloway

We carry out floor joint sealing and filling in warehouses, factories and industrial units in Stranraer. Send photos or drawings for a fixed quote.

  • Joint fill separating from the concrete
  • Untidy open joints in a retail unit
  • Old filler gone hard, cracked or loose
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
Covering the South East & Scotland
CHAS accredited
£5m PL insurance

Floor joint sealing near Stranraer

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

How we handle floor joint sealing in Stranraer

We have been sealing commercial joints since 2005. Applicators carry CSCS cards and work to your site rules, and the business is CHAS accredited and a Constructionline member, with public liability insurance in place. Completed joints come with a 12-month guarantee on our workmanship. We work on joints along racking aisles, saw-cut induced joints and loading bays, and what we’re called in for most is joint fill separating from the concrete and unfilled floor joints collecting dirt and grit. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Stranraer is the same: the right product in a properly prepared joint.

In Stranraer, as across Scotland, outside joints in car parks, ramps and walls take rain, frost and road salt. Outside work waits for dry faces and the right temperature, so the programme has some give.

Guaranteed is the last step of every job. You get a 12-month guarantee on our workmanship, and the quote explains what it covers.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
Stranraer (DG9)
Region
Dumfries and Galloway
Cover
12 months on every job
Quote
Fixed quote, scope in writing
Telephone
01277 525 020
Page updated
3 November 2026

What sets the cost

To price the job, we consider:

  • Access and working height
  • How much there is to seal
  • Which sealant the job calls for
  • The site’s rules and procedures

Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote and we’ll put a fixed figure on it.

What we need to price the job

It doesn’t need to be a full survey. A few details are enough to get going:

  • The asbestos register, for older buildings
  • The site address and postcode
  • Approximate linear metres or a joint schedule
  • The product your specification calls for

Need a figure for a tender or a budget? Send the scope and any drawings, and we will return a fixed quote you can plan around. For a chat about it beforehand, speak to us on 01277 525 020 or send photos by email.

Common problems we fix in Stranraer

Pallet-truck and forklift wheels concentrate weight on a tiny contact patch. Crossing an open joint, the wheel drops and knocks the opposite arris and those knocks chip the edge apart bit by bit.

Look out for the following:

  • Scruffy, dirty joint lines on a shop or showroom floor
  • Soft sealant dragged out of trafficked joints
  • Loading bay joints breaking down
  • Joint edges breaking up under truck wheels

Large sites such as Galloway Community Hospital, 0.5 miles south-east of Stranraer, have car parks, service roads and long elevations with movement joints in brick and panels.

What to look for in a quote

  • Who will actually carry out the work
  • Their plan for phasing and protecting the area
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • Proof of insurance

How to choose a sealant contractor

Maintenance after handover

Problems stay small when the joints are checked regularly. In particular:

  • Start with the dock areas, where joints fail soonest
  • Allow for topping up joints as a new slab settles
  • Ask drivers not to drag forks or pallets
  • Respect the cure time before traffic returns

Keep traffic off fresh joints until the time we give you, and it’s worth enforcing. In a busy building, barriers keep early traffic away.

A broken joint on a main route is crossed by every truck on that route. Sorting it early looks after your equipment as well as the slab.

From enquiry to sign-off

Where the site stays busy, we agree a sequence with your contact so the disruption stays in one area at once. Each section is protected, cleaned back and sealed before we move to the next. Jobs in Stranraer are planned with two things in mind: the forecast for external joints and the building’s hours for internal ones. Photos or drawings let us give a fixed quote and a realistic plan.

  1. We agree the traffic routes and phasing with your site team.
  2. We point out joints whose edges need repairing first.
  3. We clear each run back to clean concrete.
  4. We fill the joints with the agreed product, finished level.
  5. Each area is handed back when ready for traffic.

Preparing the site

  • Tell us what induction or permit system the site runs
  • Point out parking and an unloading spot
  • Confirm the product named in the specification

Ask for a quote

The quickest route to a quote is a few photos and the site postcode. Upload them with the quote form, or phone 01277 525 020 or email a schedule or drawings if you’d rather talk the job through.

Ask for a quote

Read more

Warehouse floors and decks around Stranraer

Stranraer lies within about 1 mile of the sea. Open joints in coastal car parks and yards let in salt-laden water as well as grit, so it pays to keep them sealed. The west of Scotland, where Stranraer is, gets more rain than the east. External slab joints left open take plenty of rain. Outside joints are sealed in dry spells, so dates have some give.

Estates like Castle Kennedy Industrial Estate, 0.9 miles to the south-east of Stranraer, combine warehouse slabs, yards and loading bays, all with joints under wheels.

Stranraer is in Dumfries and Galloway. Any commercial site in Stranraer is covered. Our Dumfries and Galloway coverage takes in 139 places. There’s a separate page for Glasgow, about 72 miles away.

Postcode districts covered here: DG9. Buildings on High Street, Market Street and Hanover Square are within our area. Main routes into Stranraer include the A75 and A77, useful when we plan access and materials. Close to Stranraer, our area also takes in Lime Kiln (2 miles east), Innermessan (2 miles north-east), Aird (2 miles east), Lochans (3 miles south) and Castle Kennedy (3 miles east). Stranraer ranks among the main centres of Dumfries and Galloway, with offices, shops, schools and other public and commercial buildings.

Near you in Stranraer

Recent enquiries here include premises near Commercial Inn. Stranraer’s nearest station is Stranraer station, roughly 0.5 miles north-east of the centre. Other landmarks nearby include Stranraer Museum (under half a mile east) and Castle of St. John (less than half a mile east). Open spaces near Stranraer include Soulseat Loch.

Map of Stranraer © OpenStreetMap contributors

FAQs: Stranraer

Do you take on work at healthcare sites like Galloway Community Hospital?

Yes. Healthcare sites are among the places we work. Work is phased so departments keep running, under the site’s own rules.

Do you cover business parks and estates near Stranraer, such as Castle Kennedy Industrial Estate?

Yes. Estates, retail parks and business parks around Stranraer, Castle Kennedy Industrial Estate among them, are all within reach. To start, just call the office on 01277 525 020 or use the quote form with the unit, the joints involved and your access times.

Are your applicators CSCS-carded?

Yes. Should the site need card details in advance, let us know and we’ll send them with the quote.

Do you hold CHAS accreditation?

Yes. We’re CHAS accredited, we’re a Constructionline member and we use CSCS-carded applicators.

How do you deal with asbestos in old sealant?

Some older mastics, especially in pre-2000 buildings, can contain asbestos. We check the asbestos register before cutting out old sealant in an older building, and work stops until any suspect material has been tested. We don’t remove asbestos-containing materials.

Is it fine to apply new sealant on top of old?

No. We cut the old material out and clean the joint back before sealing, because fresh silicone will not bond with aged silicone.

How long before trucks can use the joints?

Each product has its own cure time, and cold floors slow it down. We plan the phasing so that waiting time fits your operation.

What we can’t put right

Being straight saves everyone time. Fresh joints won’t solve:

  • Joint edges that have already broken away, which need repairing before filling (we’ll tell you if so)
  • A floor that is out of level for the racking or trucks
  • Wide or random cracking that suggests a structural issue

If you’re not sure, just ring 01277 525 020 or email a schedule or drawings and we’ll give you a straight answer before you book.

Where we work in Stranraer

  • Construction joints
  • Retail and showroom floors
  • Joints along racking aisles
  • Loading bays
  • Saw-cut induced joints
  • Forklift and pallet-truck routes

Owners, agents and contractors

Whether you’re a managing agent, a property factor or an owner’s representative: send the details, accept a fixed quote, and we carry out and guarantee the work. Keys, access and contacts can be agreed in advance.

FMs need a contractor who is easy to get on site. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.

Accreditations

Trusted. Accredited. Insured.