Scottish Borders · Scotland

Window Mastic in Romannobridge

We cover Romannobridge for mastic around window and door frames, sills and patio doors. Old sealant removed completely, joints prepared properly.

  • Water coming in at the bottom corners of a door
  • Rushed sealant from a window installation
  • Gaps between the frame and the inside reveal

Need window mastic in Romannobridge?

DIY versus a professional finish

Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.

The biggest DIY mistake is sealing over old sealant. New silicone won’t bond to old, so it lifts and traps water and mould underneath. Everything old must be removed first.

How we handle window mastic in Romannobridge

The mastic around a window or door seals the gap between the frame and the wall. When it cracks, hardens or pulls away, draughts and rain get in. The old mastic is removed and the joint resealed with a flexible exterior sealant. Common call-outs are for leaking joints at the ends of sills and untidy mastic left by window fitters, across patio & French doors, window sills and aluminium frames.

Older stone-built homes in Scotland often have sash and case or timber windows set in stone. The sealant has to suit the stone, which rules out acetoxy silicones that can mark or attack it.

Whatever the size of the job, it’s backed by our one-year guarantee.

Outdoor mastic being applied where a white frame meets red brickwork, below the fascia and gutter
Place
Romannobridge (EH46)
Wider area
Scottish Borders
Guarantee
A year, on every job
Quotes
Quoted before any work starts
Email
info@mrmastic.co.uk
Page updated
26 October 2026

Signs you need window mastic in Romannobridge

On timber frames, paint and putty build up around the joint. Mastic painted over many times cracks with the paint, and timber moves with moisture as well as temperature.

Common reasons people contact us include:

  • Cold air getting in at the frame edge
  • Rain getting in at the frame or under the sill
  • Cracked or shrunken mastic around the frame
  • Sealant in the wrong colour for the frame

Whether the job is in Romannobridge itself or nearby, the right material for each joint matters as much as a neat finish.

Comparing quotes

  • What the quote includes, VAT included or not
  • What the cure time is
  • Whether you can choose the colour
  • Whether the sealant suits the joint

Choosing a sealant specialist

Landlord and commercial work in Romannobridge

A neglected joint can let water reach the structure, which matters even more when someone else lives there. Resealing at the right time is simple maintenance that we can handle for you.

We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements.

What sealant work can’t fix

Before you book, it’s worth knowing the limits too:

  • Misting between the panes of a double-glazed unit (that needs a new unit)
  • Worn gaskets, brush seals or a door that has dropped
  • Damp coming through the wall itself rather than the frame joint

Not sure which it is? You can email us at info@mrmastic.co.uk and we’ll tell you honestly.

Joints and surfaces we work on

  • Timber windows & doors
  • uPVC windows
  • Composite doors
  • Patio & French doors
  • Window sills
  • Aluminium frames

Why it’s worth doing now in Romannobridge

If you’re painting or rendering, reseal at the same time. A clean new bead makes new paint or render look finished, and it’s easier while the walls are being worked on anyway. Exposed walls in smaller Scottish places take a lot of wind and rain, and damp in stone or harled walls takes a long time to dry once water gets behind a joint.

Instead of a standard rate, we look at what your job involves: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.

Why book with us

  • ARBOMaster approved applicator
  • Arbo and Everbuild products
  • We are fully insured
  • We agree the colour with you first

See how sealant jobs are priced and our reviews.

Surface by surface

Timber windows & doors

On period timber windows, traditional sand mastic is sometimes the better choice. We can talk through the options.

Aluminium frames

Aluminium needs a sealant that bonds to coated metal and we avoid acetoxy silicones, which can react with some metals. Neutral-cure sealant is the safe choice.

Romannobridge: your questions answered

Is there a guarantee on window mastic in Romannobridge?

All our work, in Romannobridge and everywhere else, comes with a 12-month guarantee. We’re fully insured, and an ARBOMaster approved applicator.

Do you cover smaller places like Romannobridge?

Yes, smaller places are covered as well as towns. We work across all of Scotland. Let us know about access, parking and anything unusual about getting there when you book.

Do the sealants smell?

It depends on the product. Some smell for a while, some hardly at all, and any smell fades as they cure.

Is it worth trying it myself?

For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. Most DIY failures come from sealing over old material, wet joints or too much sealant.

I rent my home. Can I book you?

We’re happy to deal with the tenant, landlord or agent. Just make sure your landlord agrees.

What should I tell you?

Only a few details: the address or postcode, what’s wrong and any access issues. After that, simply email us at info@mrmastic.co.uk.

Where are you based?

We work from Crawley. We cover Romannobridge and the rest of the Scottish Borders.

Do you work for letting agents?

Yes, we do. We work in homes, commercial premises and hotels, and we’re fully insured.

Window mastic in Romannobridge: local notes

Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and failed outside joints work against that. Sash and case windows are common in older Scottish homes, often pointed into the wall with traditional sand mastic.

Around Romannobridge, as everywhere, window mastic is only as good as the preparation behind it.

Romannobridge is about 9 miles south-west of Penicuik, in the Scottish Borders. Across the EH46 area, our applicators can take on window mastic. Across the Scottish Borders, we cover 89 places, Romannobridge among them. There’s also a page for Edinburgh, roughly 16 miles from Romannobridge.

We cover every part of EH46 for window mastic. Other places close to Romannobridge include West Linton (2 miles north-west), Blyth Bridge (3 miles south-west), Kirkurd (4 miles south-west), Dolphinton (4 miles west) and Eddleston (5 miles east).

Around Romannobridge

A little further out are Drochil Castle (3.3 miles south) and Castle Craig Hospital (3.4 miles south-west). The countryside around Romannobridge includes Whiteside Hill and Slipperfield Loch.

Map of Romannobridge © OpenStreetMap contributors

What happens on the day

Our applicators work methodically: protection first, then preparation, sealing and a tidy-up. Typically it takes anything from an hour or two to a full day, depending on how many frames there are, and the area is left clean. Around Romannobridge, distance and access matter more than parking. Tell us how to find the property and how to reach the work.

  1. First we look at every frame and agree the list.
  2. The old mastic is cut out and the surfaces cleaned back.
  3. We fit backing rod in deep gaps so the sealant is the right depth.
  4. New exterior sealant goes on in a matching colour and is tooled smooth.
  5. Finally we tidy up and check each joint.

Before we arrive

  • For business premises, tell us about site rules or sign-in
  • Let us know if you’ve seen damp or leaks
  • For indoor joints, keep the area dry beforehand if you can

Get a quote

A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and email photos if that is easy.

Get a price

Related advice

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job