Isle of Wight · England
Sand mastic for sash & case windows in Oakfield, Isle of Wight
Problem with your window and door surrounds in Oakfield? We cut out the old, prepare the joints and apply the right sealant.
- A silicone bead on a sash window that spoils the look
- Failed mastic on an exposed elevation
- Mastic round period door frames that has failed
Sand mastic in Oakfield: local notes
Oakfield is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That is hard on the mastic around older windows and doors, especially on the side facing the sea. Historic houses like Nunwell House (about 2.6 miles south) are a reminder that the area around Oakfield has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic.
In the older streets around St John's Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame. Letting a property close to Ryde St Johns Road station? Then cracked sand mastic around sash windows lets in the draughts tenants complain about.
Oakfield is about 6 miles south-west of Southsea, in the Isle of Wight. Anywhere in PO33, we cover sand mastic for homes and businesses. Oakfield is one of 125 towns and villages in the Isle of Wight we cover. We also work in Portsmouth, around 7 miles away.
We cover every part of the PO33 postcode area for sand mastic and the streets around it. Streets in the area include Park Road, Rink Road and Hope Road, all of which we cover. Main roads around Oakfield include the A3055, so getting to you is simple. We also cover Elmfield (1 mile east), Ryde (1 mile north-west), Appley (1 mile north-east), Westridge (1 mile south-east) and Haylands (1 mile west). Larger places within reach include Newport (6 miles west), Cowes (7 miles west), Sandown (5 miles south), Shanklin (6 miles south), Ventnor (9 miles south) and East Cowes (6 miles west). Oakfield is one of the larger places we cover in the Isle of Wight. Island and remote addresses take a little more planning, so please mention your location when you ring 0345 464 0079 or drop us an email.
Local landmarks in Oakfield
In Oakfield, that means homes and buildings near Ryde Academy, Ryde School with Upper Chine and The Railway pub. There’s a railway station in Oakfield itself: Ryde St Johns Road station. Other landmarks nearby include Gosport War Memorial Hospital (5 miles north) and The Donald Mcgill Museum (0.8 miles north). Green spaces nearby include Alan Hersey Nature Reserve and Brading Down.
Sand mastic in Oakfield
Traditional burnt sand mastic blends with stone and brick surrounds. It’s a good fit for period properties where a modern sealant bead would stand out. Typical jobs include mastic dropping out of the joint and old cement repairs round a window that have failed, on tenement windows, timber door frames and sash and case windows.
Homes around Oakfield range from older properties to newer houses, and their windows range just as widely. Each frame material needs the right sealant against the right wall.
The work is guaranteed for twelve months. If something is not right with it in that time, tell us and we will put it right.
- Where
- Oakfield (PO33)
- Region
- Isle of Wight
- Guarantee
- One year on every job
- Price
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Aftercare tips
Once the sealant has cured, a few habits help it last:
- Get any rot dealt with first
- Check the mastic when you check the paintwork
- Keep sills and gutters clear so water drains away
- Avoid patching sand mastic with silicone
Keep gutters and sills clear so water runs away from the surround. Water sitting against the mastic shortens its life.
Crumbling mastic lets rain into the joint. It can soak into the frame and the surrounding masonry so early renewal protects both.
Other services in Oakfield
What we cannot put right
We’ll always be straight with you, so here’s what new sealant will not do:
- Planning or listed building consent (your local planning authority decides)
- Damaged stone surrounds
- Putty and glazing repairs
Not sure which it is? You can phone 0345 464 0079 or send us an email and we will tell you honestly before you book.
What we seal
- Tenement windows
- Period & listed homes
- Brick reveals
- Stone surrounds
- Sash and case windows
- Timber door frames
Can I do it myself?
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
A DIY attempt doesn’t rule out a professional job. We cut it out and start again, so tell us about it when you ask for a quote.
Signs you need sand mastic in Oakfield
Shallow joints are a common cause. Mastic that is too thin cracks and drops out, which is why we pack deep voids first and get the depth right.
The problems people usually mention when they call include:
- Mastic round period door frames that has failed
- Old cement repairs round a window that have failed
- A silicone bead on a sash window that spoils the look
- Crumbling sand mastic round a window
For site and facilities teams at buildings such as Dover Park Primary School, larger buildings have plenty of frames, and the mastic around each one ages.
Questions to ask before booking
- Who turns up on the day
- Are they insured?
- What the cure time is
- Is VAT in the price?
Landlord and commercial work in Oakfield
Mouldy or split sealant often shows up at the end of a tenancy, and it’s quick to put right between tenancies. We can quote for more than one property at once.
If you manage several properties in or around Oakfield, several properties can go on one quote. Send us the addresses and the work at each, and photos by email help.
How the visit works
On the day, we start by going over the job with you, so you know exactly what we are doing. We protect the surfaces around the joints before any work begins. Most jobs take a few hours for a single window, longer for several. For a job in Oakfield, we agree the time, the access and parking before the day. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- We look at the surrounds with you and agree the joints to renew.
- Old mastic and any loose material are raked out.
- We pack any deep voids first.
- The sand mastic is mixed and pressed into the joint by hand.
- We dress the finish so it sits neatly against the masonry.
Getting ready for the visit
- Mention any sign-in or site rules at work premises
- Keep pets and children clear of the area while we work
- Move anything stored near the joints
Ask for a quote
Call for a quick quote, or send an email if you’d rather. Describe what needs sealing and we will talk you through the work.
Read more
What the job involves on each surface
Timber door frames
Sand mastic is used round timber door frames too. The method is the same as for windows.
Period and listed homes
On a listed home or in a conservation area, the right material matters. Like-for-like sand mastic is generally favoured.
FAQs for Oakfield
Is Oakfield within the area you cover?
Yes. Oakfield 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.
Can you help a landlord with a rental near Ryde St Johns Road station?
Yes, landlords and agents are among the people we work for. You can ring 0345 464 0079 or drop us an email with the details for a clear quote.
How long does sand mastic take?
As a guide, most jobs take anything from a few hours to a full day, depending on how many windows. Bigger jobs take longer, and we’ll say how long yours will take.
Can you match the sealant colour?
Yes. Sealants come in white, clear, grey and other colours for many products, and we agree the colour with you before work begins.
Can sand mastic be painted?
Sand mastic is normally left unpainted, as guidance on traditional windows advises. Ask us before decorating.
Can you do several jobs on one visit?
Yes. More than one area can go on one quote.
Is it possible to take out silicone and use sand mastic instead?
Yes, we do this often. All the old silicone is removed first so the mastic beds in well.
Where is Mr Mastic based?
Mr Mastic is based in Crawley. We cover Oakfield and the rest of the Isle of Wight, along with the rest of our area.