Hampshire · England
Window & door mastic in Kingsmead, Hampshire
Mastic around window and door frames, sills and patio doors for homes and businesses in Kingsmead and across Hampshire. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Mastic that’s falling out in pieces
- Gaps between the frame and the inside reveal
- Sealant in the wrong colour for the frame
Window mastic in Kingsmead
If you can feel air around a shut window, the gap is often at the frame. Resealing that joint can make a room feel noticeably less draughty. If the draught is through the window seals instead, we’ll tell you. We work on patio & French doors, uPVC windows and timber windows & doors, and the jobs we see most are gaps where the sill meets the wall and draughts coming in around windows and doors.
Homes in small places like Kingsmead often stand in the open, with little to shelter their windows from wind and rain. Exposed frames and sills lose their mastic sooner than sheltered ones.
The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we will sort it.
- Place
- Kingsmead (PO17)
- Region
- Hampshire
- Cover
- One year on every job
- Quote
- A clear price before we start
- Call
- 0345 464 0079
- Updated
- 26 October 2026
Landlords, agents and businesses in Kingsmead
In hotels, rooms out of use cost money, so the work can be planned room by room. We’ve worked in hotels as well as homes and businesses.
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
Why it’s worth doing now in Kingsmead
Redecorating is a good moment to renew the mastic. A clean new bead makes new paint or render look finished. Where a wall is exposed, as many are in small places like Kingsmead, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs. Ask us for a quote and we will explain what it covers.
Why Kingsmead clients choose us
- Over 20 years’ experience
- Neat joints and a tidy finish
- Approved under the ARBOMaster scheme
- Experience in homes, commercial sites and hotels
Take a look at what affects the cost or our reviews.
FAQs for Kingsmead
I let a flat near Botley station. Can you help?
Yes, rental work is part of what we do. Just phone 0345 464 0079 or drop us an email and tell us about the property, and we will give you a clear quote.
Can you do window mastic in Kingsmead?
Yes, Kingsmead is within the area we cover. We work across London and the South East. Just ring 0345 464 0079 or email us with a few details of the job, and we’ll give you a clear price.
Can I do it myself?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
Do you hold any approvals?
Yes. We hold ARBOMaster approved applicator status and we are fully insured too.
Can you seal the gap between the frame and the plaster indoors?
Yes. Inside, the joint between frame and plaster is sealed neatly, using a paintable sealant if you want to decorate.
Are you insured?
Yes. We are fully insured.
Do you remove the old sealant?
Yes, always, and completely. 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.
Keeping the joints in good condition
To keep the joints looking good and working properly:
- Wash the frames with mild soapy water
- Keep drainage slots and sill grooves clear
- Ventilate rooms so frames don’t stay wet inside
- Check the mastic once a year
Keep the new mastic undisturbed while it cures, following the cure time we give you. Keep jet washers away from the frames.
A failed joint lets water into the wall a little at a time. You might not see it until plaster blows or a damp patch appears inside. Early resealing stops it reaching that point.
Can I do it myself?
Sealing over old silicone is the commonest DIY error. New silicone will not bond to old, so it lifts and traps water and mould underneath. Everything old must be removed first.
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions, then guaranteed for a year.
Different surfaces, different methods
Aluminium frames
Coated aluminium needs a compatible sealant and we avoid acetoxy silicones, which can react with some metals. We use a neutral-cure product.
Window sills
Sills catch the water running down the glass, so the sill ends and the joint under the frame are vital. Each is cleaned out and resealed.
Nearby places to Kingsmead
Other services in Kingsmead
What window mastic looks like in Kingsmead
Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Letting a property close to Botley station? Then cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
Kingsmead is about 5 miles north of Fareham, in Hampshire. If you need window mastic in Kingsmead, it’s easy to get a quote: please ring 0345 464 0079 or drop us an email. We cover Hampshire from our Crawley base. Kingsmead is one of 683 places in Hampshire where we work for window mastic. We also work in Portsmouth, around 9 miles away.
Here we cover the PO17 postcode area for window mastic. Neighbouring places we cover for window mastic include Woodend (1 mile east), Mislingford (1 mile north), Shirrell Heath (1 mile west), Soberton Heath (1 mile east) and Shedfield (1 mile west). Further out, we also cover Winchester (12 miles north-west), Gosport (8 miles south), Havant (9 miles south-east), Eastleigh (8 miles north-west), Fareham (5 miles south) and Horndean (7 miles east).
Landmarks near Kingsmead
Around Kingsmead, our work takes us to homes and buildings near The Roebuck pub and the streets around them. For rail, the closest station is Botley station, about 4 miles west of the centre. Other landmarks nearby include Bishop's Waltham Museum (3.2 miles north-west) and Knowle Hospital (3.1 miles south-west). Green spaces nearby include Portsdown Hill and St Clair's Meadow.
The process
Once we are on site, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. After that, the work takes anything from an hour or two to a full day, depending on how many frames there are. Somewhere as small as Kingsmead, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- We check how each frame can be reached safely.
- All the failed sealant is cut away, along with any loose debris.
- Frame and wall are cleaned and must be dry before sealing.
- Deep voids are backed, then the sealant is gunned in.
- We tool the joint so water runs off, then clear up.
Preparing for the visit
- Where the joints are inside, avoid wetting them before we arrive
- Let us know about earlier repairs to the joints
- Keep pets and children clear of the area while we work
Getting a quote
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and email photos if that’s easy.
Read more
When to call us in Kingsmead
Older frames were often sealed with products that set hard. Once it’s rigid, every bit of frame movement pulls at it, leaving a hairline gap down one side.
Any of these means the joints need attention:
- Old mastic that has gone black or come away
- Sealant in the wrong colour for the frame
- Water coming in at the bottom corners of a door
- Mastic that has split away from the wall
Managing a site like Swanmore College of Technology? Then larger buildings have plenty of frames, and the mastic around each one ages.
Questions to ask before you book
- How hidden problems are handled
- How the joint is cleaned and prepared
- Whether they seal over old material or remove it
- The length of the guarantee