Hampshire · England

Window & door mastic in Oakley, Hampshire

Our applicators work in Oakley on mastic around window and door frames, sills and patio doors. Old material cut out, joints cleaned and sealed neatly.

  • Draughts coming in around windows and doors
  • Cracked sealant at the sill ends
  • Mastic that has split away from the wall

Window mastic near Oakley

Window mastic in Oakley, done properly

The new joint does not have to be white. We can seal in white, brown, anthracite grey, black or clear, so the bead blends with the window rather than framing it. If you’re dealing with rain getting in at the frame or under the sill and sealant in the wrong colour for the frame, we can help, whatever the surface.

In smaller places like Oakley, homes range from older cottages to newer houses, with windows to match: timber, uPVC and aluminium. Each frame material needs the right sealant against the right wall.

Big or small, it’s backed by our one-year guarantee.

Location
Oakley (RG23)
Region
Hampshire
Guarantee
A year, on every job
Price
A clear quote up front
Call
0345 464 0079
Updated
26 October 2026
Mr Mastic applicator sealing the top of a white uPVC door frame on a red-brick house

How the visit works

Our applicators work methodically: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours for a few frames, or a day or more for a whole house, and the area is left clean. A visit to Oakley is planned like any other: the time, the access and where to park are agreed in advance. If the work is outside, the weather plays a part, as sealant needs a dry surface.

  1. We check how each frame can be reached safely.
  2. All the failed sealant is cut away, along with any loose debris.
  3. The surfaces are cleaned and left dry.
  4. Backing rod fills deep voids and the sealant goes in on top.
  5. The joint is shaped to shed water and the area tidied.

How to prepare

  • Mention if the joints have been sealed before
  • Keep children and pets away from the work area
  • Let us know if you’ve seen damp or leaks

Get a quote

For a quote, call 0345 464 0079 or email us and tell us where the job is and what the problem looks like. You’ll have a clear quote before work begins.

Ask for a quote

Advice

What affects the cost of window mastic

Call for a quick quote. The main things that affect it are:

  • The number of rooms or windows
  • Access and height
  • The number and length of the joints
  • Whether old sealant or filler has to be cut out

We do not show prices on the website, because the cost depends so much on the job itself. Call for a quick quote and we’ll talk you through it.

Helping us quote

A few details help us give you an accurate quote. When you ask for a quote, tell us:

  • Roughly how big the job is
  • Any access issues, like height or stairs
  • Photos by email, if that’s easy
  • Whether it’s a home or a business

If you’re in Oakley and need window mastic, call 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.

When it isn’t the sealant

It helps to know what we can’t do:

  • Draughts through the window seals rather than the frame
  • Rotten timber, which needs a joiner first
  • Damp coming through the wall itself rather than the frame joint

Not sure which it is? You can ring 0345 464 0079 or send us an email and we’ll tell you honestly before booking.

Surfaces we seal

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

For landlords and businesses

A neglected joint can let water reach the structure, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance.

Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we’ll quote.

Oakley questions

Do you cover Oakley for window mastic?

Yes, Oakley is within the area we cover. Our work covers London and the South East. Just call 0345 464 0079 or email us with a few details of the job, and we will give you a clear price.

Will you come out to Oakley?

Yes. Oakley is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.

I’m a tenant. Can you help?

We can work for tenants, landlords or agents. Just make sure your landlord agrees.

Are you an approved applicator?

Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we’re part of it.

Do you take out the old sealant first?

Yes, every time. New silicone doesn’t stick to old silicone, so the joint is cleaned back first.

Will new mastic stop draughts?

If the draught is coming in around the frame, yes. If it’s through the window’s own seals or a hinge, that is a different fix, and we’ll say so.

Do you have insurance?

Yes. Full insurance covers our work, and we can confirm the details when we quote.

What information do you need?

Only a few details: where it is, what you’ve noticed and how we reach it. After that, simply call 0345 464 0079 or email us.

Can I do it myself?

A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.

A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly.

Keeping the joints in good condition

So the new joints stay in good condition:

  • Paint up to the joint, not over it
  • Make sure the drainage slots are not blocked
  • Repaint timber before it’s bare
  • Air rooms to keep condensation down around windows

Keep sill grooves and drainage slots clear, so water can run away instead of sitting against the joint.

On timber windows, water behind the joint can lead to rot. Once wood has rotted, it needs repair before it can be sealed, so it pays to reseal before that happens.

Why it’s worth doing now in Oakley

Redecorating is a good moment to renew the mastic. A clean new bead makes new paint or render look finished. Homes in smaller places like Oakley can face more weather, and failed outside joints let damp into walls. Inside, a split seal lets water into floors and panels just as it would anywhere.

Combining jobs into one visit normally makes better use of the time than several visits, so tell us about everything that needs sealing. We will send you a clear quote for the lot.

Why Oakley clients choose us

  • A sealant colour to suit the surroundings
  • Approved under the ARBOMaster scheme
  • We leave the area clean and tidy
  • Domestic, commercial and hotel work

Read how sealant jobs are priced or customer reviews.

What window mastic looks like in Oakley

The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

If you live in an older home near St John's, the joint between an old wall and a newer frame is generally the first place rain gets in. Schools such as Oakley CE Junior School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s. Rented homes near Overton station change hands often, and cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.

Oakley is about 3 miles west of Basingstoke, in Hampshire. Our applicators cover window mastic for homeowners, landlords and businesses in Oakley and the surrounding area, as part of our work across Hampshire. Our area takes in 683 places across Hampshire. For nearby work, see our Reading page, about 16 miles away.

Work in RG23 works the same way as everywhere else we cover. You will find streets such as Station Road, Marlborough Gardens and Anton Close, and we cover them all. We also cover the places around Oakley: Newfound (1 mile north-east), Kempshott (2 miles east), Worting (2 miles north-east), Buckskin (2 miles east) and Ibworth (2 miles north). Within a short drive, we also cover Basingstoke (3 miles east), Winchester (15 miles south-west), Fleet (15 miles east), Andover (14 miles west), Alton (11 miles south-east) and Tadley (7 miles north).

Near you in Oakley

In Oakley, that means homes and buildings near Barley Mow pub and Bishop Challoner Catholic Secondary School. The closest station to Oakley is Overton station, about 3.7 miles west. Other landmarks nearby include Park Prewett Hospital (3.2 miles north-east) and Willis Museum (3.9 miles east). Open spaces near Oakley include Farleigh Hill.

Map of Oakley © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job